Chapter 17: Function Of The Heart

45 Questions  I  By Nenegto04 on June 2, 2009
Anatomy 2, Chapter 17

  
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1.  Systole and diastole describe the function of the
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B.
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D.
2.  During atrial systole, the
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B.
C.
D.
3.  What happens during ventricular diastole?
A.
B.
C.
D.
4.  Which of the following is the most likely consequence of a very rapid heart rate?
A.
B.
C.
D.
5.  Which of the following does not happen to a ventricle?
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B.
C.
D.
6.  Which of the following is most likely to relieve an anxiety-induced tachycardia?
A.
B.
C.
D.
7.  Which of the following is responsible for the Starling effect?
A.
B.
C.
D.
8.  Which of the following is most likely to increase stroke volume?
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B.
C.
D.
9.  Which of the following is most likely to increase ejection fraction?
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B.
C.
D.
10.  Which of the following is the same as end dialostic volume?
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B.
C.
D.
11.  What terms refers to the amount of blood pumped by the ventricle in one boat?
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B.
C.
D.
12.  Which term refers to the amount of blood pumped by the heart in one minute?
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B.
C.
D.
13.  Sympathetic nerve stimulation of the myocardium
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B.
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D.
14.  Vagal stimulation to the heart causes
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D.
15.  Excess vagal stimulation to the SA node is most likely to cause
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D.
16.  Which of the following is descriptive of the vagus nerve?
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B.
C.
D.
17.  Heart rate and stroke volume determine
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C.
D.
18.  A drug (i.e., atropine) that blocks the vagus nerve
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B.
C.
D.
19.  Activation of the muscarinic receptors by acetylcholine
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D.
20.  Decreased blood flow through the coronary arteries is most likely to cause
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B.
C.
D.
21.  This term refers to a heart rate of fewer that 60 beats/min
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B.
C.
D.
22.  Vagal stimulation on the heart
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B.
C.
D.
23.  Which of the following most accurately describes the vagus nerve?
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B.
C.
D.
24.  What is the term for the sequence of events that occur during one heartbeat?
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B.
C.
D.
25.  Which of the following contains 70ml?
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B.
C.
D.
26.  Which of the following refers to a positive inotropic effect?
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B.
C.
D.
27.  Sympathetic stimulation to the heart
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B.
C.
D.
28.  Cardiac output is determined by heart rate and
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B.
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D.
29.  What is the term that refers to an increase in stroke volume in response to the stretching of the heart?
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B.
C.
D.
30.  Atropine is a muscarinic antagonist and is therefore used to
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B.
C.
D.
31.  Which of the following is descriptive of a drug that causes a (+) inotropic effect, a (+) dromotropic effect, and a (+) chronotropic effect?
A.
B.
C.
D.
32.  Which of the following drugs is sympathomimetic?
A.
B.
C.
D.
33.  An increased afterload (e.g., hypertension)
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B.
C.
D.
34.  An increased preload
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D.
35.  Cardiac output
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D.
36.  Increased return of the blood to the heart stretches the muscle, thereby
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D.
37.  An ejection fraction of 30% is
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D.
38.  A stenotic aortic valve
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D.
39.  Which of the following is the most likely consequence of acute left ventricular failure?
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B.
C.
D.
40.  Most of the symptoms of acute left-sided heart failure are
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C.
D.
41.   Which of the following is an example of forward failure?
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B.
C.
D.
42.  Furosemide (Lasix), a potent diuretic, is administered in acute ventricular failure in order to
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D.
43.  Digoxin, a drug used in the treatment of heart failure, increases contractile force and is therefore called a
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B.
C.
D.
44.  An increase in venous return causes an increase in cardiac output. This is accomplished by
A.
B.
C.
D.
45.  Milliliters/beat x beats/minute defines
A.
B.
C.
D.
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