ExamPractice11

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May 24, 2024

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Practice Exam 11 151. Immunosuppressant agents includes all of the following except a) THAM . b) Azathioprine (Imuran). c) OKT-3 (Orthoclane). d) ALG (Antilymphoblast globulin). Keyword: Heart Transplantation Program Code:4 152. Hypokalemia is a side effect of these diuretics except . a) Acetazolamide (Diamox). b) Chlorothiazide (Duiril). c) Spironolactone (Aldactone). d) Furosemide (Lasix). Keyword: Renal Pharmacology Program Code:4 153. Verapamil has actions similar to those of: a) Bretylium. b) Dilantin. c) Norpace. d) Inderal . Keyword: CPB Pre-op Pharmacology Program Code: 4 154. Dopamine hydrochloride (Intropin) is sometimes used in conjunction with sodium nitroprusside (Nitride) to: a) Decrease high potassium (K+) levels after cardioplegia infusions. b) Release calcium (Ca++) originally bound by citrate. c) Improve myocardial function curves in the immediate postoperative phase. d) Previous coronary artery bypass surgery, cold agglutinin disease, or Humulin allergy. Keyword: CPB Physiology Pharmacology Program Code: 4 155. An example of an osmotic diuretic is . a) Ethacrynic acid. b) Spironolactone. c) Lasix. d) Mannitol . Keyword: Renal Physiology Program Code:4 156. The following ·-adrenergic blocker depresses phase 4 depolarization. a) Amiodarone. b) Encainide. c) Propanolol . d) Quinidine. e) None of the above. Keyword: CPB Pre-op Pharmacology Program Code: 4 157. Which of the following is used, usually in combination with other drugs, for its inotropic and vasodilator properties? a) Nitroprusside. b) Amrinone . c) Nitroglycerin. d) Phenylephrine. e) THAM Keyword: CPB Physiology Pharmacology Program Code:4 158. Which receptors acts as a presynaptic regulator of adrenergic neurotransmitter activity? a) Alpha-1. b) Beta-1. c) Alpha-2. d) Beta-2.
e) Gamma-1 Keyword: CPB Pre-op Pharmacology Program Code: 4 159. The mechanisms of action of the drugs known to be vasodilators include all of the following except . a) Relaxation of vascular smooth muscles directly. b) The stimulation of vascular adrenergic receptors. c) Depression of central (brain) sympathetic outflow. d) Inhibition of angiotensin converting enzyme. 160. The alpha adrenergic blocking drugs which are effective in the diagnosis of pheochromocytoma are all of the following except . a) Phentolamine. b) Phenoxybenzamine. c) Prazosin (Minipress). 161. The following is (are) cardioselective and preferentially inhibit ·-1 adrenoreceptors. a) Metoprolol . b) Propanolol. c) Timolol. d) All of the above. e) None of the above. Keyword: CPB Intra-op Pharmacology Program Code:4 162. The following is (are) non-selective · antagonists . a) Propranolol (Inderal). b) Metoprolol (Lopressor). c) Atenolol (Tenormin). d) All of the above. Keyword: CPB Pre-op Pharmacology Program Code: 4 163. All of the following are true about guanethidine (ismelin) except a) Clinical use of this drug may cause immediate hypertension lasting several hours. b) Ultimately may cause a decrease in systemic arterial pressure. c) Ultimately may cause an increase in pulmonary arterial pressure. d) Chronic administration may cause cardiac output to return to normal. Keyword: CPB Physiology Pharmacology Program Code: 4 164. Procainamide (Procan) is used clinically for the following except a) Postural hypotension. b) Ventricular tachycardia. c) Atrial fibrillation and flutter. d) Paroxysmal atrial tachycardia. 165. The principle pharmacological action of these drugs is relaxation of vascular smooth muscle, venous effects predominate but there is a dose dependent dilation of both arterial and venous beds. a) Cardiac glycosides. b) Nitrates . c) Antiarrhythmics. d) Calcium antagonists. Keyword: CPB Intra-op Pharmacology Program Code:4 166. Which of the following is a true statement? a) The left atrioventricular valve is tricuspid. b) The leaflets of the atrioventricular valves are thinner. c) Lunule are found on the cusps of the semilunar valves. d) The papillary tissue into which the chordae tendinea insert are non-contractile in nature. Keyword: Heart Anatomy Program Code: 4
167. Which of the following structures are most dominate in the left ventricle? a) Subendocardial plexus. b) Thebesian vessels. c) Myocardial sinusoids. d) Thebesian veins. Keyword: Heart Anatomy Program Code:4 168. What is the proper order of aortic arch vessels (from proximal to distal)? a) R subclavian-R carotid L innominate. b) R innominate-L common carotid-L subclavian. c) R internal carotid-L subclavian-L internal mammary. d) R innominate-L subclavian-L common carotid. Keyword: Heart Anatomy Program Code:4 169. Which of the following is/a true statements? a) All pulmonary blood returns to the left atrium. *** b) Superficial bronchial veins precede pulmonary veins. c) Deep bronchial veins precede the azygos vein. d) Some bronchial return is to the right heart. Keyword: Heart Anatomy Program Code:4 170. Of the following arteries, which is most superior? a) Celiac . b) Mesenteric. c) Renal. d) Iliac. 171. In the case of a persistent left superior vena cava, which of the following statements is true? a) All venous return is through the superior vena cava. b) Blood return from the right side of the body flows into the superior vena cava system. c) Blood return from the left side of the body flows directly into the coronary sinus. d) Blood return from the left side of the body flows directly into the right atrium. Keyword: Heart Anatomy Program Code:4 172. The most common form of cerebral edema is . a) Cytotoxic. b) Vasogenic . c) Hydrocephalic. d) hemorrhagic. Keyword: Cerebral Program Code:4 173. Which of the following statements is NOT true regarding Carboxyhemoglobin (HbCO)? a) Increased concentration of HbCO will shift the oxygen dissociation curve to the left. b) CO will bind to the molecular site of hemoglobin more firmly than oxygen. c) Increased amount of CO in the blood stream will result in decreased release of oxygen to the tissues. d) Carboxyhemoglobin, unlike oxygen, dissociates with difficulty. Keyword: Blood Gases Program Code: 4 174. The major branches of the left coronary artery are . a) The anterior descending and posterior descending. b) The marginal branch and the circumflex branch. c) The circumflex branch and the anterior descending branch. d) The marginal branch and the anterior descending branch.
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