EBK ANATOMY & PHYSIOLOGY
5th Edition
ISBN: 9780321888013
Author: Hoehn
Publisher: VST
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Textbook Question
Chapter 18, Problem 2CYU
When vascular smooth muscle contracts, what happens to the diameter of the blood vessel? What is this called?
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Chapter 18 Solutions
EBK ANATOMY & PHYSIOLOGY
Ch. 18 - Which branch of the autonomic nervous system...Ch. 18 - When vascular smooth muscle contracts, what...Ch. 18 - Name the type of artery that matches each...Ch. 18 - Prob. 4CYUCh. 18 - Prob. 5CYUCh. 18 - In the systemic circuit, which contains more...Ch. 18 - List three factors that determine resistance in a...Ch. 18 - Suppose vasoconstriction decreases the diameter of...Ch. 18 - Prob. 9CYUCh. 18 - The kidneys play an important role in maintaining...
Ch. 18 - Suppose you are in a bicycle race. What happens to...Ch. 18 - If many arterioles in your body dilated at once,...Ch. 18 - Prob. 13CYUCh. 18 - Your neighbor, Bob, calls you because he thinks he...Ch. 18 - Prob. 15CYUCh. 18 - Prob. 16CYUCh. 18 - Prob. 17CYUCh. 18 - You are assessing the circulation in the leg of a...Ch. 18 - In what important way does the area drained by the...Ch. 18 - Prob. 20CYUCh. 18 - Prob. 21CYUCh. 18 - Name the leg veins that often become varicosed.Ch. 18 - Prob. 23CYUCh. 18 - Which statement does not accurately describe...Ch. 18 - Smooth muscle in the blood vessel wall (a) is...Ch. 18 - Peripheral resistance (a) is inversely...Ch. 18 - Which of the following can lead to decreased...Ch. 18 - Prob. 5RQCh. 18 - Prob. 6RQCh. 18 - The structure of a capillary wall differs from...Ch. 18 - Prob. 8RQCh. 18 - The myocardium receives its blood supply directly...Ch. 18 - Blood flow in the capillaries is steady despite...Ch. 18 - Prob. 11RQCh. 18 - Prob. 12RQCh. 18 - Prob. 13RQCh. 18 - Prob. 14RQCh. 18 - How is the anatomy of capillaries and capillary...Ch. 18 - Prob. 16RQCh. 18 - Write an equation showing the relationship between...Ch. 18 - Prob. 18RQCh. 18 - Describe the neural mechanisms responsible for...Ch. 18 - Explain the reasons for the observed changes in...Ch. 18 - Prob. 21RQCh. 18 - Prob. 22RQCh. 18 - How are nutrients, wastes, and respiratory gases...Ch. 18 - Prob. 24RQCh. 18 - Physiologists often consider capillaries and...Ch. 18 - Mr. Hutchinson, another middle-aged victim of the...Ch. 18 - Mr. Hutchinson, another middle-aged victim of the...Ch. 18 - Mr. Hutchinson, another middle-aged victim of the...
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- As blood vessels increase in diameter, the amount of smooth muscle decreases and the amount of connective tissue increases. Explain why. (Hint: Remember Laplace's law)arrow_forwardWhat is the principal difference between the way cardiac muscle and smooth muscle form and the way skeletal muscle forms?arrow_forwardIs Cardiac muscle the muscle of the heart? How does it function?arrow_forward
- Why is cardiac muscle tissue that has been damaged by injury or disease incapable of regeneration?arrow_forwardExplain the role of tropomyosin in the muscle contraction process? How are the intercalated discs involved in the contraction of cardiac muscles?arrow_forwardWhy is cardiac muscle referred to as autorhythmic?What are ectopic foci?arrow_forward
- Compare the structural and functional characteristics ofcardiac muscle with those of skeletal muscle.arrow_forwardThe muscle tissue that is striated is (a) skeletal muscle, (b) cardiac muscle, (c) smooth muscle, (d) cardiac and skeletal muscle, (e) all three types of muscle tissue.arrow_forwardExplain how cardiac muscle differs from skeletal muscle in its structure and regulation of contraction.arrow_forward
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