Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Chapter 9, Problem 7RA
Summary Introduction
To determine:
The effect of propranolol (beta-blocker).
Introduction:
A single neurotransmitter can cause alternate or opposite effect in the same target cell/tissue. The effect of neurotransmitters in the target cell or tissue may vary depending upon the type of receptors present in the target cell or tissue. There are various drugs that block a particular receptor in the cell. Thus, the drugs can cure a disease or hypersensitivity caused by receptors or neurotransmitters.
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Chapter 9 Solutions
Human Physiology
Ch. 9 - Describe the preganglionic and postganglionic...Ch. 9 - Compare the control of cardiac muscle and smooth...Ch. 9 - Describe the sympathetic pathway from the CNS to...Ch. 9 - Prob. 4CPCh. 9 - Prob. 5CPCh. 9 - Prob. 6CPCh. 9 - Prob. 7CPCh. 9 - Prob. 8CPCh. 9 - Explain how the effects of the sympathetic and...Ch. 9 - Prob. 1RA
Ch. 9 - Prob. 2RACh. 9 - Prob. 3RACh. 9 - Prob. 4RACh. 9 - Which of these fibers release norepinephrine? a....Ch. 9 - Prob. 6RACh. 9 - Prob. 7RACh. 9 - Prob. 8RACh. 9 - Prob. 9RACh. 9 - Prob. 10RACh. 9 - Prob. 11RACh. 9 - A drug that serves as an agonist for ai receptors...Ch. 9 - Prob. 13RACh. 9 - Prob. 14RACh. 9 - Compare the effects of adrenergic and cholinergic...Ch. 9 - Prob. 16RACh. 9 - Prob. 17RACh. 9 - Prob. 18RACh. 9 - Prob. 19RACh. 9 - Prob. 20RACh. 9 - Prob. 21RACh. 9 - Prob. 22RACh. 9 - Prob. 23RACh. 9 - Prob. 24RACh. 9 - Prob. 25RACh. 9 - Prob. 26RACh. 9 - Prob. 27RACh. 9 - Prob. 28RACh. 9 - Prob. 29RACh. 9 - Prob. 30RACh. 9 - Refer to table 7.3 to obtain axon diameters and...
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- Last week’s evaluate question asked why you feel dizzy when you stand up after sitting on a plane for 6 hours. This week, you have been prescribed a β-adrenergic receptor antagonist (β-blocker) and you are going on another 6 hour plane ride (you are a jetsetter!). When you stand up, you feel even more light-headed and dizzy and it takes you a long time to recover. How does the β-blocker contribute to these symptoms? In your answer, consider possible effects of the drug on heart myocardia, smooth muscle of systemic blood vessels, and the baroreceptor reflex. Your answer should be ~4-6 sentences.arrow_forwardMr. Martin is suffering from a condition known as ventricular tachycardia, in which his heart beats too quickly. Would an alpha-blocker or a beta-blocker help alleviate his problem? Why?arrow_forwardWhich of the following statements about α-adrenergic receptor is CORRECT? Select one: a. Activation of the receptor increases blood pressure. b. It is the target of acetylcholine. c. Activation of the receptor decreases heart rate. d. It is expressed predominantly in cardiac tissue. e. Activation of the receptor leads to systemic vasodilation.arrow_forward
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