LooseLeaf for Human Anatomy
5th Edition
ISBN: 9781259285271
Author: Michael McKinley Dr., Valerie O'Loughlin, Elizabeth Pennefather-O'Brien
Publisher: McGraw-Hill Education
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Chapter 22, Problem 4MC
Summary Introduction
Introduction:
Blood is circulated throughout the body by the circulatory system. The heart is the main pump in the body that makes the flow of blood possible. In humans, the blood flows in a unidirectional manner and follows a specific sequence while flowing through the heart and other parts of the circulatory system.
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Which of the following is the correct circulatory sequence forblood to pass through part of the heart?a. R. atrium → right AV valve → R. ventricle → pulmonarysemilunar valveb. R. atrium → left AV valve → R. ventricle → pulmonarysemilunar valvec. L. atrium → right AV valve → L. ventricle → aorticsemilunar valved. L. atrium → left AV valve → L. ventricle → pulmonarysemilunar valve
Which portion of the heart contains the most myocardium?
Select one:
a.right atrium
b.left atrium
c.left ventricle
d.right ventricle
e.both right and left ventricles
The systemic circulation ends at the:
A.right atrium
B. right ventricle
C. left atrium
D. left ventricle
The period of ejection:
A. begins with the first heart sound and ends with the opening of the AV-valve.
B. begins with the second heart sound and ends with the closing of the AV-valve.
C. begins with the second heart sound and ends with the opening of the Aortic-valve.
D. begins with the opening of the Aortic-valve and ends with the second heart sound.
The arterial p02 is relatively low in an individual suffering from congestive heart failur
because:
A. hemoglobin is mis-shapen and can't bind adequate 02
B. pulmonary ventilation is compromised by the decrease in arterial pCO2
bronchoconstriction increases the total amount of air in the alveoli
02 has difficulty diffusing through the fluid trapped in the lung tissue
he volume of blood ejected by the heart per minute is termed:
stroke volume
cardiac output
end diastolic volume
end systolic volume
ght and Left Ventricular Pressures are…
Chapter 22 Solutions
LooseLeaf for Human Anatomy
Ch. 22 - What is the basic distinction between arteries and...Ch. 22 - Prob. 2WYLCh. 22 - Prob. 3WYLCh. 22 - Identify the layers of the pericardium. Why is the...Ch. 22 - Prob. 5WYLCh. 22 - What are two similarities and two differences...Ch. 22 - What is the composition and function of the...Ch. 22 - Prob. 8WYLCh. 22 - Prob. 9WYLCh. 22 - Prob. 10WYL
Ch. 22 - Prob. 11WYLCh. 22 - Prob. 12WYLCh. 22 - Prob. 13WYLCh. 22 - What events occur in the ventricles during late...Ch. 22 - Prob. 15WYLCh. 22 - Match each numbered item with the most closely...Ch. 22 - Prob. 1MCCh. 22 - Prob. 2MCCh. 22 - Prob. 3MCCh. 22 - Prob. 4MCCh. 22 - Prob. 5MCCh. 22 - In the developing heart, the atria form from the...Ch. 22 - The irregular muscular ridges in the ventricular...Ch. 22 - Prob. 8MCCh. 22 - Prob. 9MCCh. 22 - The thickest part of the heart wall is the a....Ch. 22 - What are the differences between the pulmonary and...Ch. 22 - Prob. 2CRCh. 22 - Prob. 3CRCh. 22 - Where is the fibrous skeleton of the heart...Ch. 22 - Prob. 5CRCh. 22 - Prob. 6CRCh. 22 - Identify and compare the branches of the right and...Ch. 22 - Compare cardiac and skeletal muscle. In what ways...Ch. 22 - Prob. 9CRCh. 22 - Prob. 10CRCh. 22 - It was the end of the semester, and Huang had...Ch. 22 - Prob. 2DCR
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- In terms of being open or closed, what is the state of the mitral and tricuspid valve (left and right atrioventricular valves respectively) at the end of the first heart sound? a. Mitral is closed, Tricuspid is open b. Mitral is open, Tricuspid is closed c. Both are closed d. Both are openarrow_forwardThe heart is located in the chest cavity in the space between the lungs called A. endocardium B. mediastinum C. median plane D. epicardiumarrow_forwardWhich of the following is NOT a population of pacemaker cells in the heart? a. papillary muscles b. sinoatrial (SA) node c. atrioventricular (AV) node d. Purkinje fiber systemarrow_forward
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