Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Question
Chapter 18, Problem 5MC
Summary Introduction
To determine:
Arterial blood pressure increases in response to
(a) increasing stroke volume,
(b) increasing heart rate,
(c) atherosclerosis,
(d) rising blood volume,
(e) all of these.
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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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- In a blood pressure reading of 120/80, the 120 represents and the 80 represents . (a) diastolic pressure; systolic pressure (b) pulse pressure; mean arterial pressure (c) systolic pressure; diastolic pressure (d) mean arterial pressure; pulse pressurearrow_forwardBlood pressure can be significantly affected by (a) cardiac output (b) peripheral resistance (c) blood volume (d) a, b, and c (e) a and b onlyarrow_forwardMean arterial pressure is determined by (A) adding the systolic pressure to diastolic pressure and dividing by two (B) subtracting diastolic pressure from systolic pressure and multiplying by two (C) adding 1/3 of the pulse pressure to diastolic pressure (D) adding 1/3 of pulse pressure to systolic pressure (E) adding systolic and diastolic pressure together / dividing by two / adding 1/3 of the pulse pressurearrow_forward
- The autonomic centers for cardiac function are located in, (a) myocardial tissue of the heart. (b) cardiac center of the medulla oblongata. (c) the cerebral cortex. (d) a, b, and c are correct.arrow_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_forwardBlood flow is measured in ............................ Which of the following has the greatest effect on blood flow? Which of the following would not result in a decrease in the blood vessel radius? The diameter of the blood vessel is the same as ................................ The opening of the blood vessel where the blood flows is called the...........................arrow_forward
- Changing the radius (diameter) of which of the following blood vessels is the most effective in changing blood pressure? (A) elastic artery (B) muscular artery (C) arteriole (D) capillary (E) medium veinarrow_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_forward1)cardiac output is increased by A) more sympathetic stimulation only B) more sympathetic stimulation, increased end-diastolic volume, and increased stroke volume c). increased end- diastolic volume only D) increased stoke volume only E) increased end-diastolic volume and more sympathetic stimulationarrow_forward
- (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?arrow_forwardWhen moving from lying down to standing, blood pressure would drop most significantly where? a) in the inferior vena cava b) in the splenic artery c) in the lower extremities d) in pulmonary veinarrow_forwardDuring diastole, the chambers of the heart, (a) undergo a sharp increase in pressure. (b) contract and push blood into an adjacent chamber. (c) relax and fill with blood. (d) reach a pressure of approximately 120 mm Hg.arrow_forward
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