Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Textbook Question
Chapter 14.1, Problem 2CC
What is the difference between (a) the pulmonary and systemic circulations, (b) an artery and a vein, (c) an atrium and a ventricle?
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(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?
·
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.
(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.
Chapter 14 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 14.1 - A cardiovascular system has what three major...Ch. 14.1 - What is the difference between (a) the pulmonary...Ch. 14.2 - Which is more important for determining flow...Ch. 14.2 - The two identical tubes below have the pressures...Ch. 14.2 - All four tubes below have the same driving...Ch. 14.2 - Two canals in Amsterdam are identical in size, but...Ch. 14.3 - What prevents electrical signals from passing...Ch. 14.3 - Prob. 8CCCh. 14.3 - Prob. 9CCCh. 14.3 - Compare the receptors and channels involved in...
Ch. 14.3 - If a myocardial contractile cell is placed in...Ch. 14.3 - A drug that blocks all Ca2+ channels in the...Ch. 14.3 - Which ions moving in what directions cause the...Ch. 14.3 - At the molecular level, what is happening during...Ch. 14.3 - Lidocaine is a molecule that blocks the action of...Ch. 14.3 - What does increasing K+ permeability do to the...Ch. 14.3 - A new cardiac drug called ivabradine selectively...Ch. 14.3 - Do you think that the Ca2+ channels in...Ch. 14.3 - What happens to the action potential of a...Ch. 14.3 - In an experiment, the vagus nerve, which carries...Ch. 14.4 - Name two functions of the AV node. What is the...Ch. 14.4 - Prob. 22CCCh. 14.4 - Occasionally an ectopic pacemaker {ktopos, out of...Ch. 14.4 - Prob. 24CCCh. 14.4 - Which chamberatrium or ventriclehas higher...Ch. 14.4 - Prob. 26CCCh. 14.4 - Prob. 27CCCh. 14.4 - Prob. 28CCCh. 14.4 - Prob. 29CCCh. 14.4 - Why does ventricular pressure shoot up suddenly at...Ch. 14.4 - Prob. 31CCCh. 14.4 - Prob. 32CCCh. 14.4 - A persons aortic valve opening has become...Ch. 14 - What contributions to understanding the...Ch. 14 - List three functions of the cardiovascular system.Ch. 14 - Prob. 3RQCh. 14 - Prob. 4RQCh. 14 - Prob. 5RQCh. 14 - Prob. 6RQCh. 14 - Prob. 7RQCh. 14 - Distinguish between the two members of each of the...Ch. 14 - Prob. 9RQCh. 14 - Prob. 10RQCh. 14 - What is the proper term for each of the following?...Ch. 14 - List the events of the cardiac cycle in sequence,...Ch. 14 - Prob. 13RQCh. 14 - Compare and contrast the structure of a cardiac...Ch. 14 - Prob. 15RQCh. 14 - Correlate the waves of an ECG with mechanical...Ch. 14 - Prob. 17RQCh. 14 - List and briefly explain four types of information...Ch. 14 - Define inotropic effect. Name two drugs that have...Ch. 14 - Prob. 20RQCh. 14 - Police Captain Jeffers has suffered a myocardial...Ch. 14 - Prob. 22RQCh. 14 - Prob. 23RQCh. 14 - Police Captain Jeffers in question 21 has an...Ch. 14 - Prob. 25RQCh. 14 - Prob. 26RQCh. 14 - Prob. 27RQCh. 14 - A person has a total blood volume of 5 L. Of this...
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- The 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_forward7) which of the following has the thickest wall? A) left ventricle B) right ventricle C) left atrium D) right atrium 10) which blood vessels does blood enter during ventricle systole? A) pulmonary trunk and the pulmonary vein B) the pulmonary trunk and the aorta C) aorta and pulmonary veins D) aorta and vena cava 25- which heart chamber first receives blood directly from the superior and inferior vena cava? Left ventricle Right ventricle Left atrium Right atriumarrow_forwardWhere is the sinoatrial node located? (A) Between the left atrium and the left ventricle(B) Between the right atrium and the right ventricle(C) In the interventricular septum(D) In the upper wall of the left ventricle(E) In the upper wall of the right atriumarrow_forward
- The blood supply to the heart is provided by the, (a) systemic circulation. (b) pulmonary circulation. (c) coronary circulation. (d) coronary portal system.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_forwardBlood within the veins is prevented from flowing away from the heart because of the presence of: (a) venous reservoirs. (b) muscular walls. (c) clots. (d) valves.arrow_forward
- The valve marked by the white arrow separates the (A) right atrium from the right ventricle (B) right ventricle from the pulmonary trunk (C) left atrium from the left ventricle (D) left ventricle from the aortaarrow_forwardWhich of the following cardiac tissues has the most rapid conduction velocity? A)The AV node. B) Purkinje fibers. C) The bundle branches. D) Papillary muscles. E) The ventricular.arrow_forwardThe 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
- 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.arrow_forwardWhich of these events occurs during (ventricular) systole? A)Only the left ventricle contracts. B)The ventricles fill with blood. C)Both ventricles contract. D)The atria fill with bloodarrow_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_forward
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