Anatomy & Physiology
5th Edition
ISBN: 9780321861580
Author: Marieb, Elaine N.
Publisher: Pearson College Div
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Textbook Question
Chapter 18, Problem 1RQ
Which statement does not accurately describe veins? (a) Have less elastic tissue and smooth muscle than arteries, (b) contain more fibrous tissue than arteries, (c) most veins in the extremities have valves, (d) always carry deoxygenated blood.
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Students have asked these similar questions
When it comes to arteries and veins, do veins have?
a) a tunica media that is missing in arteries
b) thicker walls than arteries
c) more smooth muscles than arteries
d) valves, this is lacking in arteries
(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.
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.
Chapter 18 Solutions
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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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
- (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_forwardWhich of the following statements about blood vessels is TRUE? A) Venules have large lumens, thin walls, & are high pressure vessels B) Arterioles have small lumens, thick walls, & are low pressure vessels C) True capillaries possess pre-capillary sphincters and are surrounded by smooth muscle cells D) Both A & B E) None of the abovearrow_forwardSelect the best answer or answers from the choices given: Which statement does not accurately describe veins? (a) Have less elastic tissue and smooth muscle than arteries, (b) contain more fibrous tissue than arteries, (c) most veins in the extremities have valves, (d) always carry deoxygenated blood.arrow_forward
- Which of the following statements concerning capillaries is TRUE? A) Capillaries are composed of a single layer of endothelial cells surrounded by a basement membrane B) Thoroughfare channels drain directly into venules C) Metarterioles branch directly off arterioles D) Both A & B All of the abovearrow_forwardLocal control of blood flow through a tissue a) maintains a blood flow independent of changes in blood pressure b) is controlled via a relaxation or contraction of precapillary sphincters c) is controlled by changes in oxygen levels in the tissue d) is controlled by changes in carbon dioxide levels in the tissuearrow_forwardIdentify the incorrect statment about blood vessels (A) arteries are carrying a higher blood pressure than veins (B) skeletal muscle can assist veins with the movement of blood (C) crossing your legs is a ish factor for varicose veins (D) veins and arteries have valvesarrow_forward
- Which vein is hi-lighted in aqua below? A) thoracodorsal B) axillary C) brachial D) subclavianarrow_forwardCompared with the interstitial fluid that bathes active muscle cells, blood reaching these cells in arteries has a(A) lower osmotic pressure.(B) higher PO2.(C) lower pH.(D) higher PCO2.(E) greater bicarbonate concentration.arrow_forwardWhich of the following statements regarding blood pressure is NOT true? a.)Blood pressure is constant throughout the body b.)Exerted by the blood against the walls of the blood vessels c.)Controlled by homeostatic mechanism d.)Keeps the blood flowing through all the blood vessels so that cells receive oxygen and nutrientsarrow_forward
- (a) Describe the process of erythropoiesis. (b) What name is given to the immature cell type released to the circulation? (c) How does it differ from a mature erythrocyte.arrow_forwardVeins and arteries catty blood. Which of these carry blood?a) Away from the heart?b) Back to the heart?arrow_forwardRelaxation of precapillary sphincters: a) increases blood flow through ateriovenous shunt b) increases hydrostatic pressure at the arteriole end of the capillary c) reduces the quanityt of blood serving that body region d) is directly caused by the parasympathetic nervous systemarrow_forward
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