Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 36, Problem 2CT
Beta blockers are drugs that interfere with stimulation of organs by nerves of the sympathetic system. Would these drugs be useful in treating excessively high blood pressure or excessively low blood pressure?
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Chapter 36 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 36 - Prob. 1SQCh. 36 - In__________, blood flows through two completely...Ch. 36 - The __________ circuit carries blood to and from...Ch. 36 - Prob. 1DAACh. 36 - Prob. 2DAACh. 36 - Prob. 3DAACh. 36 - Prob. 4DAACh. 36 - Prob. 4SQCh. 36 - Platelets function in __________. a. oxygen...Ch. 36 - Prob. 6SQ
Ch. 36 - Blood flows directly from the left atrium to...Ch. 36 - Contraction of __________ drives the flow of blood...Ch. 36 - Blood pressure is highest in the _______ and...Ch. 36 - At rest, the largest volume of blood is...Ch. 36 - Which of the following has the thickest wall? a....Ch. 36 - Lymph nodes filter__________. a. blood b. lymph c....Ch. 36 - Which artery carries oxygen-poor blood?Ch. 36 - Prob. 14SQCh. 36 - Match the terms with their definition. _____bone...Ch. 36 - Explain why a blood clot that forms in the leg,...Ch. 36 - Beta blockers are drugs that interfere with...Ch. 36 - Patients with severe liver disease often have...
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- Scenario: A patient arrives at the clinic complaining of an increased heart rate and is feeling some nausea. Multiple tests are performed and an ECG reveals that the patient has abnormal P waves and an unusually fast heart rate. Their blood pressure is also found to be high. Question Stem: It is noted that the patient's blood pressure is high. Which of the following might help bring it down? Answers A - D A Agreater sympathetic response B Increasing preload C Decreasing total peripheral resistance Activation of the RAAS cascadearrow_forwardPearl is a 45 year old lady with a history of Bipolar Affective Disorder. In the past ten years she has gained a considerable amount of weight (10 years ago she weighed 80kg and now she weighs 130kg). She has been complaining of chest pain and describes it as tightness in her chest. A) Explain your understanding of the cardiac system. B) Why might Pearl's diagnosis of Bipolar Affective Disorder and the weight gain be important to consider in explaining her current presentation? C) What interventions would you suggest in this situation? Please justify your answer.arrow_forwardA patient is suffering from ADA deficiency.Can he be cured ?How?arrow_forward
- What is the action of Sympathetic division (arousing) on heart beat functioning when a crisis happen?arrow_forwardAlpha adrenergic antagonists compete with endogenous catecholamines for binding at alpha- 1 and alpha -2 receptors. Because norepinephrine and epinephrine cannot bind to a receptor that is occupied by an antagonist, the actions of catecholamines are inhibited. Adrenergic receptor blockers are used to treat hypertension. What side effects can be expected?arrow_forwardWhat would be concerned a sympathetic organ response? What would be a parasympathetic organ response? Vasomotor tone is: What is the clinical consequence of loss of Vasomotor tone?arrow_forward
- Mrs. Jackson, who suffers from seizures, has been stable on a phenytoin dose of 300 mg q.d. (qd or QD) for over a year. However, she has recently been experiencing periods of heartburn. When you ask her more about this, you find there are no red-flag symptoms. She has tried OTC antacids in the past, but did not like them. Instead, she has seen Nexium tablets advertised and wants to know if they would be suitable. Is this an appropriate choice of OTC treatment? Explain in detail and based on scientific reasoning.arrow_forwardWhich of the following statements is true? Chemical messengers within cells are always the main determinant of the effector response. Dual innervation is always present in all organs and glands; one branch enhances the function or secretion, while the other branch inhibits it. The beating of the heart is regulated only by the sympathetic division. Some blood vessels contain alpha adrenergic receptors that cause vasoconstriction in the presence of epinephrine, whereas others have beta adrenergic receptors that cause vasodilation in the presence of epinephrine.arrow_forwardDraw a schematic diagram of the spinothalamic pathway and annotate it by indicating where and how the different drugs workarrow_forward
- What is stimulants?arrow_forwardGive two examples of neuroplasticity following anti-depressant treatment -- one that is based on autoreceptors, and one that is based on brain/neuron structure?arrow_forwardWhat is the direct effect (prior to any reflex compensation) of administeringintravenously a selective beta 1 receptor agonist?A)Increased heart rate, stroke volume and total peripheral resistance.B)Increased total peripheral resistance and renin secretion.C)Increased heart rate and stroke volume.D) Increased total peripheral resistance and decreased renin secretion.E) Decreased renin secretion, total peripheral resistance and heart rate.arrow_forward
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