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Skip to main content Home Pharmacology I | Dr.Jehad Started on Thursday, 31 October 2013, 2:19 PM State Finished Completed on Thursday, 31 October 2013, 3:12 PM Time taken 53 mins 36 secs Marks 68/70 Grade 29 out of a maximum of 30 ( 97 %) Question 1 Correct Mark 1 out of 1 Flag question Question text What class of medications does oxymetazoline belong to? Select one: α -Agonists Nicotinic blockers β1 -Blockers Muscarinic agonists β2 -Blockers Feedback The correct answer is: α -Agonists
Question 2 Correct Mark 1 out of 1 Flag question Question text A 38 -year-old man who has been running a marathon collapses and is brought to the emergency department. He is found to have a left ventricular myocardial infarction and heart failure with significant pulmonary edema. The first-line drug of choice in most cases of heart failure is Select one: Furosemide Captopril Atenolol Digoxin Carvedilol Feedback The correct answer is: Furosemide Question 3 Correct Mark 1 out of 1 Flag question Question text
Poisoning with an insecticide containing an acetylcholinesterase inhibitor is best managed by administration of which one of the following agents? Select one: Atropine Pilocarpine Physostigmine Propranolol Bethanechol Feedback The correct answer is: Atropine Question 4 Correct Mark 1 out of 1 Flag question Question text Which one of the following drugs decreases de novo cholesterol synthesis by inhibiting the enzyme 3 -hydroxy- 3 -methylglutaryl coenzyme A reductase? Select one: Fenofibrate Atorvastatin Gemfibrozil Niacin Cholestyramine
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Feedback The correct answer is: Atorvastatin Question 5 Correct Mark 1 out of 1 Flag question Question text A 5 -year-old child is brought to the emergency department with sinus arrest and a ventricular rate of 35 bpm. An empty bottle of his uncle’s digoxin was found whe re he was playing. Which of the following is the drug of choice in treating a severe overdose of digoxin? Select one: calcium supplementation Lidocaine infusion Digoxin immune Fab Phenytoin by mouth Magnesium infusion Feedback The correct answer is: Digoxin immune Fab Question 6 Correct Mark 1 out of 1
Flag question Question text From the list below, choose the depolarizing neuromuscular blocker most likely to be used in ‘‘rapid sequence intubation,’’ a procedure that is done when the stomach contents have a high risk of refluxing and causing aspiration. Select one: Neostigmine Homatropine Pralidoxime Baclofen Succinylcholine Feedback The correct answer is: Succinylcholine Question 7 Correct Mark 1 out of 1 Flag question Question text A 50 -year-old woman with metastatic breast cancer has elected to participate in the trial of a new chemotherapeutic agent. It is given by constant intravenous infusion of 8 mg/h. Plasma concentrations (Cp) are measured with the results shown in the following table.
Time After Start of Infusion 1 2 4 8 10 16 20 25 30 40 Plasma Concentration (mg/L) 0.8 1.3 2.0 3.0 3.6 3.7 3.84 3.95 4.0 4.0 What conclusion can be drawn from these data? Select one: Volume of distribution is 80 L Half- life is 4 h Elimination follows zero-order kinetics Doubling the rate of infusion would result in a plasma concentration of 16 mg/L at 40 h Clearance is 4 L/ h Feedback The correct answer is: Half- life is 4 h Question 8 Correct Mark 1 out of 1 Flag question Question text Which of the following is an important effect of chronic therapy with loop diuretics? Select one: Ototoxicity Metabolic acidosis Elevation of pulmonary vascular pressure Decreased urinary excretion of calcium
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Elevation of blood pressure Feedback The correct answer is: Ototoxicity Question 9 Correct Mark 1 out of 1 Flag question Question text Your 75 -year- old patient with angina and glaucoma is to receive a β - blocking drug. Which of the following statements is most correct regarding β -blocking drugs? Select one: Pindolol is a β antagonist with high membrane -stabilizing (local anesthetic) activity Metoprolol blocks β 2 recep tors selectively Nadolol lacks β2 -blocking action Timolol lacks the local anesthetic effects of propranolol Esmolol’s pharmacokinetics are compatible with chronic topical use Feedback The correct answer is: Timolol lacks the local anesthetic effects of propranolol Question 10 Correct Mark 1 out of 1
Flag question Question text Several children at a summer camp were hospitalized with symptoms thought to be due to ingestion of food containing botulinum toxin. Which one of the following signs or symptoms is consistent with the diagnosis of botulinum poisoning? Select one: Diarrhea Bronchospasm Hyperventilation Skeletal muscle spasms Cycloplegia Feedback The correct answer is: Cycloplegia Question 11 Correct Mark 1 out of 1 Flag question Question text A 3 -year- old child is admitted after taking a drug from her parents’ medicine cabinet. The signs suggest that the drug is an indirect-acting cholinomimetic with little or no CNS effect and a
duration of action of about 2–4 h. Which of the following is the most likely cause of these effects? Select one: Physostigmine Pilocarpine Acetylcholine Bethanechol Neostigmine Feedback The correct answer is: Neostigmine Question 12 Correct Mark 1 out of 1 Flag question Question text Following a myocardial infarct, a 40 -year-old male patient is being treated prophylactically with propranolol. You would be concerned about the use of this drug if the patient also had what comorbid condition? Select one: Supraventricular tachycardia Glaucoma Classic/stable angina Essential tremor Diabetes
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Feedback The correct answer is: Diabetes Question 13 Correct Mark 1 out of 1 Flag question Question text A doctor wants to give imipramine his patient. however, since this drug is known to undergo an extensive first-pass effect, he orders a hepatic function panel before prescribing it, given the patient’s recent history of alcohol use. What is the rationale for the doctor’s decision? Select one: The results of the hepatic function panel may reveal a particular susceptibility to the drug Bioavailability of imipramine is increased by the fraction of drug removed by the first pass Solubility of the drug is affected in the face of hepatic damage The drug is more rapidly metabolized by the liver when hepatic aminotransferase levels are elevated Drugs with a high first-pass metabolism reach high systemic concentrations in patients with hepatic impairment Feedback The correct answer is: Drugs with a high first-pass metabolism reach high systemic concentrations in patients with hepatic impairment Question 14 Correct Mark 1 out of 1
Flag question Question text Nicotinic receptor sites do not include which one of the following sites? Select one: Adrenal medullary cells Parasympathetic ganglia Sympathetic ganglia Skeletal muscle end plates Bronchial smooth muscle Feedback The correct answer is: Bronchial smooth muscle Question 15 Correct Mark 1 out of 1 Flag question Question text Topical application of timolol to the eye would be expected to induce which of the following? Select one: Increased outflow of aqueous humor
Miosis Mydriasis Decreased formation of aqueous humor Feedback The correct answer is: Decreased formation of aqueous humor Question 16 Correct Mark 1 out of 1 Flag question Question text The data presented in the figure below show that: Select one: Drug B is a partial agonist Drug Band C have equal efficacy Drugs A and C have the same affinity and efficacy Drugs A and B have equal efficacy Drugs A and B have equal potency Feedback The correct answer is: Drugs A and B have equal efficacy Question 17
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Correct Mark 1 out of 1 Flag question Question text A 63 -year-old woman in the intensive care unit requires an infusion of a drug X. Its half- life is 3 h. The infusion is begun at 10 AM. At 4 PM on the same day, a blood sample is taken; the drug concentration is found to be 9 mg/L. What is the probable steady -state drug concentration, for example, after 12 or more hours of infusion? Select one: 18 mg/ L 3 mg/ L 12 mg/ L 4 mg/ L 16 mg/ L Feedback The correct answer is: 12 mg/L Question 18 Incorrect Mark 0 out of 1 Remove flag Question text
Which one of the following drugs is associated with clinically useful or physiologically important positive inotropic effect? Select one: Digoxin Dobutamine Losartan Enalapril Nesiritide Feedback The correct answer is: Dobutamine Question 19 Correct Mark 1 out of 1 Flag question Question text A colleague with myasthenia gravis wants you to assist him to the ER because he is experiencing muscle weakness and has found it difficult to titrate his drug dosage because he has had the "flu." You note that he has a slight temperature, shallow respirations, and a gray-blue skin pallor. What would be the most appropriate drug to give to your colleague at this time? Select one: Albuterol Physostigmine Propranolol Scopolamine Edrophonium
Feedback The correct answer is: Edrophonium Question 20 Correct Mark 1 out of 1 Flag question Question text An alcoholic male has developed hepatic cirrhosis. To control the ascites and edema, he is prescribed which one of the following? Select one: Acetazolamide Spironolactone Chlorthalidone Hydrochlorothiazide Furosemide Feedback The correct answer is: Spironolactone Question 21 Correct Mark 1 out of 1
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Flag question Question text A 50 -year-old man has a history of frequent episodes of renal colic with calcium-containing renal stones. A careful workup indicates that he has a defect in proximal tubular calcium reabsorption, which results in high concentrations of calcium salts in the tubular urine. The most useful diuretic agent in the treatment of recurrent calcium stones is Select one: Amiloride Chlorthalidone Ethacrynic acid Bumetanide Mannitol Feedback The correct answer is: Chlorthalidone Question 22 Correct Mark 1 out of 1 Flag question Question text
Mr Green, a 54 -year- old man, had a cardiac transplant 6 months ago. His current blood pressure is 120/70 mm Hg and heart rate is 100 bpm. Which of the following drugs would have the least effect on Mr Green’s heart rate? Select one: Epinephrine Phenylephrine Isoproterenol Albuterol Norepinephrine Feedback The correct answer is: Phenylephrine Question 23 Correct Mark 1 out of 1 Flag question Question text A crop duster pilot has been accidentally exposed to a high concentration of a highly toxic agricultural organophosphate insecticide. If untreated, the cause of death from such exposure would probably be Select one: Cardiac arrhythmia Gastrointestinal bleeding Heart failure Respiratory failure Hypotension
Feedback The correct answer is: Respiratory failure Question 24 Correct Mark 1 out of 1 Flag question Question text Which of the following is an action of a noncompetitive antagonist? Select one: Alters the mechanism of action of an agonist Binds to the same site on the receptor as the agonist Shifts the dose – response curve of an agonist to the right Alters the potency of an agonist Decreases the maximum response to an agonist Feedback The correct answer is: Decreases the maximum response to an agonist Question 25 Correct Mark 1 out of 1 Flag question
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Question text A 69 -year-old woman is being treated in the intensive care unit for presumed staphylococcal sepsis. To avoid problems with possible resistance, she is empirically given IV vancomycin while waiting for the culture results to come back. Vancomycin is a renally excreted drug. The patient’s routine laboratory work - up reveals a creatinine value of 3.2, indicating acute renal failure. What specific considerations will have to be made with regard to adjustments of the prescribed medication? Select one: The patient will need to be water restricted to decrease the volume of distribution She will have to be switched to an oral (per nasogastric tube) vancomycin preparation Dosage adjustments will have to be made because the patient is currently ventilated The dose of vancomycin will need to be reduced because of increased accumulation No changes to the current regimen will be made because the condition of the patient is life- threatening and the drug needs to be administered regardless Feedback The correct answer is: The dose of vancomycin will need to be reduced because of increased accumulation Question 26 Correct Mark 1 out of 1 Flag question Question text If your patient is pregnant, which of the following drugs should be avoided because of a risk of harming the fetus? Select one:
Niacin Fenofibrate Ezetimibe Cholestyramine simvastatin Feedback The correct answer is: simvastatin Question 27 Correct Mark 1 out of 1 Flag question Question text If a drug is known to be distributed into total body water, what dose (mg) is needed to obtain an initial plasma level of 10 mg/L in a patient weighing 70 kg? Select one: 210 100 420 120 130 Feedback The correct answer is: 420 Question 28
Correct Mark 1 out of 1 Flag question Question text Mr Jones is admitted to the hospital with cough, shortness of breath, and fever. History, physical examination, and culture of the sputum lead to a diagnosis of pneumonia due to gram-negative bacteria. The antibiotic tobramycin is ordered. The clearance and Vd of tobramycin in Mr Jones are 80 mL/min and 40 L, respectively. What maintenance dose should be administered intravenously to eventually obtain average steady- state plasma concentrations of 4 mg/L? Select one: 0.32 mg/mi n 19.2 mg/mi n 115 mg/mi n 160 mg/mi n Feedback The correct answer is: 0.32 mg/min Question 29 Correct Mark 1 out of 1 Flag question Question text
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Receptor actions of acetylcholine are mimicked by nicotine at which one of the following sites? Select one: Urinary bladder smooth muscle cells Heart sinoatrial pacemaker cells Iris circular (constrictor) muscle Adrenal medullary chromaffin cells Feedback The correct answer is: Adrenal medullary chromaffin cells Question 30 Correct Mark 1 out of 1 Flag question Question text A 30 -year-old man is admitted to the emergency department after taking a suicidal overdose of reserpine. His blood pressure is 50/0 mm Hg and heart rate is 40 bpm. Which of the following would be the most effective cardiovascular stimulant? Select one: Tyramine Norepinephrine Amphetamine Clonidine Cocaine Feedback
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The correct answer is: Norepinephrine Question 31 Correct Mark 1 out of 1 Flag question Question text The treatment of hyperlipidemic patients with niacin results in Select one: decreases in HDL inhibition of HMG-CoA reductase decreases in triglyceride levels no change in total cholesterol in the plasma increases in VLDL Feedback The correct answer is: decreases in triglyceride levels Question 32 Correct Mark 1 out of 1 Flag question Question text
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Which of the following diuretics would be most useful in the acute treatment of a comatose patient with brain injury and cerebral edema? Select one: Amiloride Acetazolamide urea Ethacrynic acid Furosemide Feedback The correct answer is: urea Question 33 Correct Mark 1 out of 1 Flag question Question text Which one of the following drugs has a very high affinity for the phosphorus atom in parathion and is often used to treat life-threatening insecticide toxicity? Select one: Bethanechol Pralidoxime Atropine Neostigmine Botulinum
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Feedback The correct answer is: Pralidoxime Question 34 Correct Mark 1 out of 1 Flag question Question text Thermoregulatory sweat glands in the body utilize what type of pathway? Select one: Cholinergic nerves and muscarinic receptors Adrenergic nerves and beta- 2 receptor s Neurohumorally-released epinephrine Cholinergic nerves and NM receptors Adrenergic nerves and alpha-l receptors Feedback The correct answer is: Cholinergic nerves and muscarinic receptors Question 35 Correct Mark 1 out of 1 Remove flag
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Question text How could alkalinization of urine with bicarbonate help to overcome the toxic effects of a given drug? Select one: It increase distal tubular secretion of ionized toxic molecules It decreases proximal tubular secretion It increases glomerular filtration It decreases untoward side effects It enhances drug metabolism Feedback The correct answer is: It increase distal tubular secretion of ionized toxic molecules Question 36 Correct Mark 1 out of 1 Flag question Question text A 78 -year-old man with Parkinson disease experiences worsening of his symptoms. He is already taking levodopa. Since the disease is characterized by degeneration of dopaminergic neurons, leading to the lack of inhibition of cholinergic neurons, the addition of which medication is likely to help alleviate the patient’s symptoms? Select one: Benztropine Timolol
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Reserpine Doxazocin Tubocurarine Feedback The correct answer is: Benztropine Question 37 Correct Mark 1 out of 1 Flag question Question text A 56 -year-old man has hypertension and an enlarged prostate, which biopsy shows to be benign prostatic hyperplasia. He complains of urinary retention. Which of the following drugs would be the most appropriate initial therapy? Select one: Albuterol Timolol Prazosin Metoprolol Atenolol Feedback The correct answer is: Prazosin Question 38 Correct
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Mark 1 out of 1 Flag question Question text Which of the following medications is used to prevent premature labor? Select one: Cevimeline Terbutaline Tolterodine Atracurium Tamsulosin Feedback The correct answer is: Terbutaline Question 39 Correct Mark 1 out of 1 Flag question Question text You administer a 240 mg tablet of drug X to a patient every 24 hours and achieve an average steady- state plasma concentration of the drug of 5.0 mg/L. If you change the dose regimen to one 120 mg tablet every 12 hours, what will be the resulting averag e plasma concentration (in mg/L) of the drug after five half-lives?
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Select one: 10 2.5 40 20 5 Feedback The correct answer is: 5 Question 40 Correct Mark 1 out of 1 Flag question Question text Enhancement of the effects of bradykinin is most likely to occur with drugs like Select one: propranolol losartan clonidine diazoxide Captopril Feedback The correct answer is: Captopril Question 41
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Correct Mark 1 out of 1 Flag question Question text Neostigmine would be expected to reverse which one of the following conditions? Select one: Paralysis of skeletal muscle induced by a competitive, nondepolarizing muscle relaxant Paralysis of skeletal muscle induced by a depolarizing muscle relaxant Miosis induced by bright light Cardiac slowing induced by stimulation of the vagus nerve Feedback The correct answer is: Paralysis of skeletal muscle induced by a competitive, nondepolarizing muscle relaxant Question 42 Correct Mark 1 out of 1 Flag question Question text Which one of the following drugs binds bile acids in the intestine, thus preventing their return to the liver via the enterohepatic circulation?
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Select one: Fluvastatin Nicotinic acid Lovastatin Gemfibrizol Colestipol Feedback The correct answer is: Colestipol Question 43 Correct Mark 1 out of 1 Flag question Question text In most patients, an antibiotic is eliminated 25% by hepatic metabolism, 50% by renal filtration, and 25% by biliary excretion. the usual maintenance is 20 mg/hour. What would be the new maintenance rate if the renal clearance declines to one half of its original value? Select one: 1.0 mg/hou r 20 mg/hou r 2.5 mg/hou r 7.5 mg/hou r 15 mg/hour Feedback The correct answer is: 15 mg/hour
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Question 44 Correct Mark 1 out of 1 Flag question Question text A 65 -year-old woman with long-standing diabetes mellitus is admitted to the ward from the emergency department, and you wish to examine her retinas for possible changes. Which of the following drugs is a good choice when pupillary dilation — but not cycloplegia — is desired? Select one: Pilocarpine Isoproterenol Phenylephrine Tropicamide Norepinephrine Feedback The correct answer is: Phenylephrine Question 45 Correct Mark 1 out of 1 Flag question Question text
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A 66 -year- old man presents to your office with a 5 -month history of dry cough. He denies any other symptoms. His past medical history includes a recent myocardial infarction (MI), after which he was placed on several medications. He does not smoke, nor has he had a history of asthma. You decide that a medication side effect is the most likely cause of this patient’s symptoms. Which medication might this be? Select one: Digoxin Enalapril Nitroglycerin Quinidine Lovastatin Feedback The correct answer is: Enalapril Question 46 Correct Mark 1 out of 1 Flag question Question text Clinical studies have shown that adrenoceptor blockers have many useful effects in patients. However, a number of drug toxicities have been documented. Adverse effects that limit the use of adrenoceptor blockers include which one of the following? Select one: Bronchoconstriction from α -blocking agents Acute heart failure exacerbation from β -blockers
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Sleep disturbances from α -blocking drugs Increased intraocular pressure with β -blockers Impaired blood sugar response with α -blockers Feedback The correct answer is: Acute heart failure exacerbation from β -blockers Question 47 Correct Mark 1 out of 1 Flag question Question text Which of the following parameters is used to indicate the ability of a drug to produce the desired therapeutic effect relative to a toxic effect? Select one: Therapeutic window Efficacy Bioavailability Potency Intrinsic activity Feedback The correct answer is: Therapeutic window Question 48 Correct Mark 1 out of 1
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Flag question Question text An 82 -year-old woman has long-standing heart failure. Which one of the following drugs has been shown to reduce mortality in chronic heart failure? Select one: Digoxin Atenolol Dobutamine Spironolactone Furosemide Feedback The correct answer is: Spironolactone Question 49 Correct Mark 1 out of 1 Flag question Question text Activation of postsynaptic M2 receptors on the heart is associated with Select one:
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inhibition of protein kinase C decrease in cAMP formation activation of adenylyl cyclase opening of Na+ /K+ cation channels increase in IP3 and DA G Feedback The correct answer is: decrease in cAMP formation Question 50 Correct Mark 1 out of 1 Flag question Question text Actions and clinical uses of muscarinic cholinoceptor agonists include which one of the following? Select one: Decreased neuromuscular transmission and relaxation of skeletal muscle (during surgical anesthesia) Increased sweating (fever) Improved aqueous humor drainage (glaucoma) Decreased gastrointestinal motility (diarrhea) Feedback The correct answer is: Improved aqueous humor drainage (glaucoma) Question 51
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Correct Mark 1 out of 1 Flag question Question text A 70 -year-old retired businessman is admitted with a history of recurrent heart failure and metabolic derangements. He has marked peripheral edema and metabolic alkalosis. Which of the following drugs is most appropriate for the treatment of his edema? Select one: Dobutamine Hydrochlorothiazide Spironolactone Digoxin Acetazolamide Feedback The correct answer is: Acetazolamide Question 52 Correct Mark 1 out of 1 Flag question Question text Which of the following effects is caused by Ramipril ?
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Select one: It increases preload It decreases cardiac output and increases afterload It has a high affinity for angiotensin II receptors It promotes increased peripheral vascular resistance It decreases peripheral resistance and decrease afterload Feedback The correct answer is: It decreases peripheral resistance and decrease afterload Question 53 Correct Mark 1 out of 1 Flag question Question text The patient is started on gemfibrozil. Which of the following is a major mechanism of gemfibrozil’s action? Select one: Reduced uptake of dietary cholesterol Increased formation of lipoprotein lipase enzyme Increased expression of high-affinity LDL receptors decreased formation of lipoprotein lipase enzyme Increased excretion of bile acid salts Feedback The correct answer is: Increased formation of lipoprotein lipase enzyme
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Question 54 Correct Mark 1 out of 1 Flag question Question text After being counseled about lifestyle and dietary changes, the patient was started on atorvastatin. During his treatment with atorvastatin, it is important to routinely monitor serum concentrations of which of the following? Select one: Platelets creatine kinase Uric acid Blood urea nitrogen Red blood cells Feedback The correct answer is: creatine kinase Question 55 Correct Mark 1 out of 1 Flag question Question text
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A 58 -year-old woman with lung cancer has abnormally low serum osmolality. A drug that increases the formation of dilute urine and is used to treat SIADH is Select one: Amiloride Acetazolamide Desmopressin Ethacrynic acid Conivaptan Feedback The correct answer is: Conivaptan Question 56 Correct Mark 1 out of 1 Flag question Question text Which of the following has been shown to prolong life in patients with chronic congestive failure in spite of having a negative inotropic effect on cardiac contractility? Select one: Dobutamine Carvedilol Enalapril Digoxin Furosemide Feedback
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The correct answer is: Carvedilol Question 57 Correct Mark 1 out of 1 Flag question Question text After your patient has been receiving digoxin for 3 weeks, he presents to the emergency department with an arrhythmia. Which one of the following is most likely to contribute to the arrhythmogenic effect of digoxin? Select one: Increased extracellular potassium Decreased sympathetic discharge Increased parasympathetic discharge Increased intracellular calcium Decreased intracellular ATP Feedback The correct answer is: Increased intracellular calcium Question 58 Correct Mark 1 out of 1 Flag question
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Question text Neostigmine differs from pilocarpine in having effects on Select one: bowel motility salivary glands bladder tone heart rate skeletal muscle Feedback The correct answer is: skeletal muscle Question 59 Incorrect Mark 0 out of 1 Flag question Question text Which of the following signs would distinguish between an overdose of a ganglion blocker versus a muscarinic blocker? Select one: Postural hypotension Blurred vision Mydriasis Dry mouth, constipation
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Tachycardia Feedback The correct answer is: Postural hypotension Question 60 Correct Mark 1 out of 1 Flag question Question text Reflex tachycardia caused by the systemic administration of albuterol can be blocked by what drug? Select one: low-dose epinephrine prazosin metoprolol phenylephrine dobutamine Feedback The correct answer is: metoprolol Question 61 Correct Mark 1 out of 1
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Flag question Question text Which one of the following is the neurotransmitter agent normally released in the sinoatrial node of the heart in response to a blood pressure increase? Select one: Glutamate Acetylcholine Dopamine Norepinephrine Epinephrine Feedback The correct answer is: Acetylcholine Question 62 Correct Mark 1 out of 1 Flag question Question text a given drug X is given four times daily, because of its short half-life. The drug X has wide therapeutic index. the rationale for such a frequent dosing schedule is Select one:
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To inhibit the first-pass metabolism of the drug To achieve the steady-state plasma concentration of the drug to avoid its toxic effect To aid more complete distribution of the drug To ensure that the drug concentration remains constant over time Feedback The correct answer is: To achieve the steady-state plasma concentration of the drug Question 63 Correct Mark 1 out of 1 Flag question Question text A 3 -year- old child has swallowed the contents of 2 bottles of a nasal decongestant whose primary ingredient is a potent, selective α -adrenoceptor agonist drug. Which of the following is a sign of α -receptor activation that may occur in this patient? Select one: myosis Bronchodilation Renin release from the kidneys Vasodilation of the splanchnic vessels mydriasis Feedback The correct answer is: mydriasis
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Question 64 Correct Mark 1 out of 1 Flag question Question text The drug of choice in the emergency lowering of intraocular pressure is Select one: Acetazolamide Timolol Pilocarpine Neostigmine Atropine Feedback The correct answer is: Pilocarpine Question 65 Correct Mark 1 out of 1 Flag question Question text
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Remedies for nasal stuffiness often contain which one of the following drugs? Select one: Epinephrine Phenylephrine Atropine Albuterol Norepinephrine Feedback The correct answer is: Phenylephrine Question 66 Correct Mark 1 out of 1 Flag question Question text Alpha-l agonists cause reflex bradycardia, which can be blocked by Select one: phenylephrine mirtazepine atropine atenolol propranolol Feedback The correct answer is: atropine
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Question 67 Correct Mark 1 out of 1 Flag question Question text Digoxin has a profound effect on myocyte intracellular concentrations of Na+, K+, and Ca2+. These effects are caused by digoxin inhibiting: Select one: Cardiac phosphodiesterase Cardiac β1 receptor s Ca2+– ATPase of the sarcoplasmic reticulum Juxtaglomerular renin release Na+/K+-ATPase of the myocyte membrane Feedback The correct answer is: Na+/K+-ATPase of the myocyte membrane Question 68 Correct Mark 1 out of 1 Flag question Question text
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What is the treatment of choice for anaphylactic shock? Select one: Diphenhydramine (an antihistamine) Epinephrine Phenylephrine Methylprednisolone (a corticosteroid) Ephedrine Feedback The correct answer is: Epinephrine Question 69 Correct Mark 1 out of 1 Flag question Question text Cortisol is capable of targeting intranuclear receptors secondary to its ability to Select one: Undergo autophosphorylation Interact with G-proteins Recruit intracellular kinases Interact with adenylyl cyclase Diffuse through lipid membranes Feedback The correct answer is: Diffuse through lipid membranes
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Question 70 Correct Mark 1 out of 1 Flag question Question text Compensatory increases in heart rate and renin release that occur in heart failure may be alleviated by which of the following drugs? Select one: Enalapril Digoxin Milrinone Atenolol Dobutamine Feedback The correct answer is: Atenolol Skip Quiz navigation Quiz navigation Question 1 This page Question 2 Question 3 Question 4 Question 5 Question 6 Question 7 Question 8 Question 9 Question 10 Question 11 Question 12 Question 13 Question 14 Question 15 Question 16 Question 17 Question 18 FlaggedQuestion 19 Question 20 Question 21 Question 22 Question 23 Question 24 Question 25 Question 26 Question 27 Question 28 Question 29 Question 30 Question 31 Question 32 Question 33 Question 34 Question 35 FlaggedQuestion 36 Question 37 Question 38 Question 39 Question 40 Question 41 Question 42 Question 43 Question 44 Question 45 Question 46 Question 47 Question 48 Question 49 Question 50 Question 51 Question 52 Question 53 Question 54 Question 55 Question 56 Question 57
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c) the following are the active ingredients of some of over the counter pain relievers (analyzed by TLC In Lab 9). For each circle the different functional group and name the functional groups (hint is given to help you with the number of functional group) CH3 H3C HO ÓH ČH3 acetaminophen ibuprofen caffeine aspirin 4 functional group 4 functional group 3- functional group 3-functional group
Date Name Section Team Instructor Pre-Lab Study Questions 1. Circle and label the functional group of aspirin that causes it to irritate the stomach. С-ОН CH3 bor ailyder Aspirin
Based on a grade 11 chemistry student, answer the following question based on the provided table:Part B:  Other Cases EmergeRead Case File 3.  Based on these new cases, it now seems clear that people are being poisoned by something in the Tylenol. Fast-Acting PoisonsWhatever the poison is, it is very fast acting as victims collapsed within minutes of taking the pills. After some research, and based on your love of Agatha Christie novels, you find five common poisons that work quickly and can cause death within a few hours – aconite, coniine, cyanide, nicotine, strychnine. Use the information contained in table 6 to determine the empirical formula, molecular formula, and fatal volume for the two poisons not completed in the table.
Based on a grade 11 chemistry student, answer the following question based on the provided table:Part B:  Other Cases EmergeRead Case File 3.  Based on these new cases, it now seems clear that people are being poisoned by something in the Tylenol. Fast-Acting PoisonsWhatever the poison is, it is very fast acting as victims collapsed within minutes of taking the pills. After some research, and based on your love of Agatha Christie novels, you find five common poisons that work quickly and can cause death within a few hours – aconite, coniine, cyanide, nicotine, strychnine. Use the information contained in table 6 to determine the empirical formula, molecular formula, and fatal volume for the two poisons not completed in the table.
Please refer to the image attached below and answer the following question. Thanks What referrals would you give to her and in what order?
Please refer to the image attached and answer the following question: Thanks What treatment options would you offer Suzanne and why?
True or False 1. Schizophrenia is a type of depression. 2. Antipsychotics act as dopamine antagonists. 3. TCAs can cause postural (orthostatic) hypotension and tachycardia. 4. Epinephrine is contraindicated in patients taking an SSRI. 5. The amount of EPI used in patients taking an antipsychotic should be minimized.
Select all of the following which are generally considered to be drugs of abuse (not used as a therapeutic agent).     Question 12 options:   acetominophen   salicylate   amphetamine   methylenedioxymethyamphetamine(MDMA)   phencyclidine (PCP)   morphine   cocaine   benzodiazepines (Valium)   methamphetamine
I Part 3 Discussion questions: Please answer in less than 2 paragraphs (20 points) 1. The FDA scientists have published 2 papers on the subject of sunscreen dermal absorption. What is different between the publications? The editorial page in the journal JAMA (Journal of American Medication Association) might help you answer this question.
1) Which of the diet sodas have the highest concentration of caffeine? Which standard best reflects this concentration?
Don't give handwritten answers please name the two compounds shown in the image
What would be an appropriate shelf-life, t90, for this drug (in days) in this solution?
Highest concentration of dye Lowest concentration of dye Answer Bank 3.0 mL dye and 3.0 mL water 2.0 mL dye and 6.0 mL water 2.0 mL dye and 0.0 mL water 20 µM dye solution 6.0 mL dye and 2.0 mL water
Direction: Below is a sample dosing table, similar to one you would find on a Drug Facts label. Use the table as well as your knowledge about medicine safety to answer the questions below. Children under 6 years of age ¦ Ask a doctor Children 6 to under 12 years of age 2.5 mL (½ teaspoonful) two times per day; do not give more than 5 mL (1 teaspoonful) in 24 hours Adults and children 12 years of age and over 5 mL (1 teaspoonful) two times per day; do not take more than 10 mL (2 teaspoonful) in 24 hours Adults 65 years of age and 5 ml (1 teaspoonful) two times per day over Guide Questions 1. Olivia is 12 years old, and her parents gave her a first dose of this medicine at 8 a.m. They gave her a second dose at 3 p.m. the same day. By the evening, she is still not feeling better. Based on the table above, when can Olivia's parents give her another dose of this medicine? 2. What might happen if someone used a kitchen spoon to measure out a dose of this medicine? 3. Why do you think doses…
A Moving to another question will save this response. Question 20 Pataday is the brand name for a type of allergy eye drops. Which of the following is NOT true regarding Pataday? The structure is shown below. HO O contains an ether O contains an amine contains an amide O contains two aromatic rings O contains a carboxylic acid A Moving to another question will save this response. MacB 20 000 000 F2 F3 F4 F5
Don't use hand raiting please
None
Write POLAR or NONPOLAR on Column B to classify the substance. Then put a check mark on the applicable IMFA present on each substance. (Note: There may be more than one IMFA present in each substance) NOTE: To determine the polarity of a molecule, both the bonds present and the overall shape of the molecule should be considered. Two or more polar bonds may cancel each other out leading to a nonpolar molecule.
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