Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Textbook Question
Chapter 18, Problem 25SAQ
Physiologists often consider capillaries and postcapillary venules together. (a) What functions do these vessels share? (b) Structurally, how do they differ?
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Chapter 18 Solutions
Anatomy & Physiology (6th Edition)
Ch. 18.1 - Which branch of the autonomic nervous system...Ch. 18.1 - When vascular smooth muscle contracts, what...Ch. 18.2 - Name the type of artery that matches each...Ch. 18.3 - Prob. 4CYUCh. 18.4 - Prob. 5CYUCh. 18.4 - In the systemic circuit, which contains more...Ch. 18.5 - Prob. 7CYUCh. 18.6 - List three factors that determine resistance in a...Ch. 18.6 - Suppose vasoconstriction decreases the diameter of...Ch. 18.7 - Prob. 10CYU
Ch. 18.8 - Prob. 11CYUCh. 18.8 - The kidneys play an important role in maintaining...Ch. 18.8 - Your neighbor, Bob, calls you because he thinks he...Ch. 18.8 - Prob. 14CYUCh. 18.9 - Suppose you are in a bicycle race. What happens to...Ch. 18.9 - If many arterioles in your body dilated at once,...Ch. 18.10 - Prob. 17CYUCh. 18.11 - Prob. 18CYUCh. 18.11 - Prob. 19CYUCh. 18.11 - Prob. 20CYUCh. 18.11 - You are assessing the circulation in the leg of a...Ch. 18.11 - In what important way does the area drained by the...Ch. 18.11 - Prob. 23CYUCh. 18.11 - Prob. 24CYUCh. 18.11 - Name the leg veins that often become varicosed.Ch. 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. 5MCCh. 18 - Prob. 6MCCh. 18 - The structure of a capillary wall differs from...Ch. 18 - Prob. 8MCCh. 18 - The myocardium receives its blood supply directly...Ch. 18 - Blood flow in the capillaries is steady despite...Ch. 18 - Prob. 11MCCh. 18 - Tracing the blood from the heart to the right...Ch. 18 - Prob. 13MCCh. 18 - Prob. 14MCCh. 18 - How is the anatomy of capillaries and capillary...Ch. 18 - Prob. 16SAQCh. 18 - Write an equation showing the relationship between...Ch. 18 - Prob. 18SAQCh. 18 - Describe the neural mechanisms responsible for...Ch. 18 - Explain the reasons for the observed changes in...Ch. 18 - Prob. 21SAQCh. 18 - Prob. 22SAQCh. 18 - How are nutrients, wastes, and respiratory gases...Ch. 18 - Prob. 24SAQCh. 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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following vessels is bilaterally symmetrical (that is, has an identical member of a pair on either side of the body)? (a) internal carotid artery, (b) brachiocephalic trunk, (c) azygos vein, (d) superior mesenteric vein.arrow_forwardThe two-way exchange of substances between blood and body cells occurs only through (a) arterioles. (b) capillaries. (c) venules. (d) a, b, and c are correct.arrow_forwardBlood flow through the capillaries is steady despite the rhythmic pumping action of the heart because of the (a) elasticity of the large arteries only, (b) elasticity of all the arteries, (c) ligamentum arteriosum, (d) venous valves.arrow_forward
- The two arteries formed by the division of the brachiocephalic trunk are the(a) aorta and internal carotid. (b) axillary and brachial. (c) external and internal carotid. (d) common carotid and subclavian.arrow_forwardIdentify this blood vessel. (A) capillary (B) arteriole (C) elastic artery (D) muscular arteryarrow_forward(a) Name the type of blood vessel labelled (i) C. (ii) D. (b) In which direction does blood in vessel A travel? (c) Which of the four blood vessels contains the most oxygen? (d) What happens to the amount of oxygen in the blood as it passes through the body organs? (e) What is the chamber of the heart labelled X? ·arrow_forward
- The two arteries formed by the division of the brachioce- phalic trunk are the (a) aorta and internal carotid. (b) axillary and brachial. (c) external and internal carotid. (d) common carotid and subclavian.arrow_forward(i)List the major blood vessels and their origins involved in coronary circulation.(ii) At what stage or phase of the heart’s activities does the heart tissues becomes perfused with oxygenated blood? (iii) Define myocardial infarction.(iv) Explain the typical signs associated with acute myocardial infarction. (v) Outline/State which arteries of the heart are most commonly affected/occluded.(vi) Explain why occlusions lead to infarct in the heart.arrow_forwardBlood vessels that carry blood away from the heart are called, (a) veins. (b) arterioles. (c) venules. (d) arteries.arrow_forward
- The blood vessels that collect blood from all tissues and organs and return it to the heart are the, (a) veins. (b) arteries. (c) capillaries. (d) arterioles.arrow_forwardThe vessels marked (black arrows) in this image are all branches of which of the following arteries? (A) brachiocephalic artery (B) subclavian artery (C) internal thoracic artery (D) axillary artery (E) b rachial arteryarrow_forwardThe middle cardiac vein runs with which artery? (a) marginal artery, (b) aorta, (c) coronary sinus, (d) anterior interventricular artery, (e) posterior interventricular artery.arrow_forward
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