FUND. OF ANATOMY & PHYSIOLOGY F16 PKG
FUND. OF ANATOMY & PHYSIOLOGY F16 PKG
10th Edition
ISBN: 9781323431122
Author: Martini
Publisher: PEARSON C
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Question
Chapter 20, Problem 1CP
Summary Introduction

To determine:

The damage to the semilunar valve of the right ventricle would affect blood flow into which vessel.

Introduction:

The cardiovascular system comprises of the heart, blood vessels and the blood. This system helps in distributing nutrients and oxygen to the cells and taking away the wastes and carbon dioxide from the cells of the body.

Expert Solution & Answer
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Explanation of Solution

Heart is a muscular organ that is hollow and helps in pumping oxygen-poor blood by the pulmonary circuit to the lungs and oxygen-rich blood by the systemic circuit to the whole body. It consists of 4 chambers (muscular); the atrium (right and left) and the ventricle (right and left). The heart comprises of covered openings called as the valves that are responsible for directing the blood flow between the vessels and chambers.

There are 2 AV (atrioventricular) valves and 2 semilunar valves. The semilunar valves are responsible for ensuring that the flow of blood occurs between the ventricles and their vessels. The pulmonary semilunar valve or the pulmonary valve of the right ventricle comprises of 3 semilunar cusps (connective tissue).

The blood that flows from the right ventricle passes through these semilunar valves and reaches to the trunk (pulmonary). This is the beginning of the pulmonary circuit. Therefore, if there is any damage to the semilunar valve, then that will affect the blood flow to the pulmonary trunk and further, would affect the pulmonary circuit of the blood flow.

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Chapter 20 Solutions

FUND. OF ANATOMY & PHYSIOLOGY F16 PKG

Ch. 20 - What could cause an increase in the size of the...Ch. 20 - Define cardiac output.Ch. 20 - Prob. 13CPCh. 20 - Prob. 16CPCh. 20 - Prob. 14CPCh. 20 - Prob. 15CPCh. 20 - Prob. 17CPCh. 20 - Prob. 18CPCh. 20 - Prob. 20CPCh. 20 - The great cardiac vein drains blood from the heart...Ch. 20 - The autonomic centers for cardiac function are...Ch. 20 - Prob. 5RQCh. 20 - Prob. 6RQCh. 20 - The heart is surrounded by the (a) pleural cavity,...Ch. 20 - The cardiac skeleton of the heart has which two of...Ch. 20 - Cardiac output is equal to the (a) difference...Ch. 20 - Identify the superficial structures in the...Ch. 20 - Identify the structures in the following diagram...Ch. 20 - During diastole, a chamber of the heart (a)...Ch. 20 - During the cardiac cycle, the amount of blood...Ch. 20 - What role do the chordae tendineae and papillary...Ch. 20 - Describe the three distinct layers that make up...Ch. 20 - What are the valves in the heart, and what is the...Ch. 20 - Trace the normal pathway of an electrical impulse...Ch. 20 - What is the cardiac cycle? What phases and events...Ch. 20 - What three factors regulate stroke volume to...Ch. 20 - The cells of the conducting system differ from the...Ch. 20 - Which of the following is longer? (a) the...Ch. 20 - If the papillary muscles fail to contract, (a) the...Ch. 20 - Cardiac output cannot increase indefinitely...Ch. 20 - Describe the function of the SA node in the...Ch. 20 - What are the sources and significance of the four...Ch. 20 - Differentiate between stroke volume and cardiac...Ch. 20 - What factors influence cardiac output?Ch. 20 - What effect does sympathetic stimulation have on...Ch. 20 - Describe the effects of epinephrine,...Ch. 20 - Vern is suffering from cardiac arrhythmias and is...Ch. 20 - Harvey has a heart murmur in his left ventricle...Ch. 20 - The following measurements were made on two...Ch. 20 - Prob. 31RQCh. 20 - Prob. 1CCCh. 20 - Prob. 2CC
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