Human Anatomy (9th Edition)
9th Edition
ISBN: 9780134320762
Author: Frederic H. Martini, Robert B. Tallitsch, Judi L. Nath
Publisher: PEARSON
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Chapter 22, Problem 14RFT
Summary Introduction
Introduction:
Blood capillaries are small blood vessels that have thin walls. The endothelial cells form only one layer in the capillaries. They serve as a site for the exchange of many substances, such as nutrients, gases, and waste. There are many types of capillaries, which include sinusoids, fenestrated capillaries, and continuous capillaries.
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(a) What are the primary forces that cause fluid to move out of a capillary and into the interstitial fluid at its arterial end? (b) What are the primary forces that cause fluid to move into a capillary from the interstitial fluid at its venous end?
Blood 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.
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.
Chapter 22 Solutions
Human Anatomy (9th Edition)
Ch. 22 - Prob. 1RFTCh. 22 - Prob. 2RFTCh. 22 - Prob. 3RFTCh. 22 - Prob. 4RFTCh. 22 - Prob. 5RFTCh. 22 - Prob. 6RFTCh. 22 - Prob. 7RFTCh. 22 - Prob. 8RFTCh. 22 - Prob. 9RFTCh. 22 - Prob. 10RFT
Ch. 22 - Prob. 11RFTCh. 22 - Prob. 12RFTCh. 22 - Prob. 13RFTCh. 22 - Prob. 14RFTCh. 22 - The only blood vessels whose walls permit exchange...Ch. 22 - Prob. 16RFTCh. 22 - Prob. 1RCCh. 22 - Prob. 2RCCh. 22 - Prob. 3RCCh. 22 - Prob. 4RCCh. 22 - Prob. 5RCCh. 22 - Prob. 6RCCh. 22 - Prob. 7RCCh. 22 - Prob. 8RCCh. 22 - Prob. 9RCCh. 22 - Prob. 10RCCh. 22 - Prob. 1CTCh. 22 - Prob. 2CTCh. 22 - Prob. 3CT
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- The 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_forward(a) Mention any two components of blood. (b) Trace the movement of oxygenated blood in the body. (c) Write the function of valves present in between atria and ventricles. (d) Write one structural difference between the composition of artery and veins.arrow_forwardThe simple squamous epithelium covering the valves of the heart is called(a) epicardium. (b) endocardium. (c) myocardium. (d) endothelium.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_forwardThe 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
- 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 middle cardiac vein runs with which artery? (a) marginal artery, (b) aorta, (c) coronary sinus, (d) anterior interventricular artery, (e) posterior interventricular artery.arrow_forwardThe two factors that assist the relatively low venous pressures in propelling blood toward the heart are (a) ventricular systole and valve closure. (b) gravity and vasomotion. (c) muscular compression and the respiratory pump. (d) atrial and ventricular contractions.arrow_forward
- The vein through which blood reaches the heart from the abdominopelvic viscera is the (a) superior vena cava, (b) internal jugular vein, (c) inferior vena cava, (d) portal vein.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_forwardThe most external part of the pericardium is the (a) parietal layer of serous pericardium, (b) fibrous pericardium, (c) visceral layer of serous pericardium, (d) pericardial cavity.arrow_forward
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