Chapter 16: Heart

50 Questions  I  By Nenegto04
ANATOMY 2 CHAPTER 16

  
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1.  Referring to the ECG, the P wave represents
A.
B.
C.
D.
2.  This layer of the heart allows it to act as a pump.
A.
B.
C.
D.
3.  Which cavity first receives unoxygenated blood from the vena cava?
A.
B.
C.
D.
4.  Vessel(s) that carry(ies) blood from the pulmonary capillaries to the left atrium
A.
B.
C.
D.
5.  Chordae tendineae are not associated with this valve
A.
B.
C.
D.
6.  Referring the the ECG, the QRS complex represents
A.
B.
C.
D.
7.  The right ventricle pumps to the
A.
B.
C.
D.
8.  The pericardium is part of the
A.
B.
C.
D.
9.  Which layer of the heart has actin, myosin, and intercalated discs?
A.
B.
C.
D.
10.  Which of the following is true of the structures of the electrical conduction system?
A.
B.
C.
D.
11.  Where does the cardiac action potential (cardiac impulse) normally originate?
A.
B.
C.
D.
12.  What is the name of the valve that prevents backflow of blood into the right atrium when the right ventricle contracts?
A.
B.
C.
D.
13.  Which of the following "sees" oxygenated blood?
A.
B.
C.
D.
14.  The mitral and the bicuspid valves
A.
B.
C.
D.
15.  Which of the following semilunar valves "sees" oxygenated blood?
A.
B.
C.
D.
16.  Blood flows from the right atrium through this atriovascular valve to the right ventricle
A.
B.
C.
D.
17.  The Purkinje Fibers
A.
B.
C.
D.
18.  This is the hardest working cardiac chamber and therefore has the thickest myocardium.
A.
B.
C.
D.
19.  Which group is incorrect?
A.
B.
C.
D.
20.  The aorta receives blood from the
A.
B.
C.
D.
21.  These conducting fibers rapidly spread the electrical signal throughout the ventricles
A.
B.
C.
D.
22.  Complete the sequence: blood flows from the pulmonary capillaries to the pulmonary veins to the left atrium to the left ventricle to the
A.
B.
C.
D.
23.  An accumulation of excess fluid in the pericardial space
A.
B.
C.
D.
24.  Which of the following is a function of a valve?
A.
B.
C.
D.
25.  This sling-like structure supports the heart
A.
B.
C.
D.
26.  The atrioventricular node (AV node)
A.
B.
C.
D.
27.  This structure connects the cusps of the AV valves to the ventricles
A.
B.
C.
D.
28.  Which of the following supplies oxygenated blood to the heart muscle?
A.
B.
C.
D.
29.  Which of the following is least related to the mitral valve?
A.
B.
C.
D.
30.  Which of the following is an electrical event?
A.
B.
C.
D.
31.  A hole in the interventricular septum causes
A.
B.
C.
D.
32.  Which of the following is least descriptive of the myocardium?
A.
B.
C.
D.
33.  Which group is incorrect?
A.
B.
C.
D.
34.  All of the following are electrical terms except
A.
B.
C.
D.
35.  Which structure "sees" oxygenated blood
A.
B.
C.
D.
36.  With which of the following is "lubb-dupp" associated?
A.
B.
C.
D.
37.  Which of the following is a result of ventricular contraction?
A.
B.
C.
D.
38.  Which group is incorrect?
A.
B.
C.
D.
39.  Complete the sequence: blood flows from the right atrium to the right ventricle to the pulmonary artery to the
A.
B.
C.
D.
40.  Which of the following is least true of the aortic valve?
A.
B.
C.
D.
41.  The pulmonic and aortic valves
A.
B.
C.
D.
42.  The pacemaker of the heart is located in the upper wall of the
A.
B.
C.
D.
43.  Which of the following is not true of the heart?
A.
B.
C.
D.
44.  Which of the following must precede ventricular contraction?
A.
B.
C.
D.
45.  What are ventricles "doing" during atrial contraction?
A.
B.
C.
D.
46.  What event causes the pulmonic valve to open?
A.
B.
C.
D.
47.  What is the case of the heart sounds "lubb-dupp"?
A.
B.
C.
D.
48.  The purpose of this structure is to momentarily delay the spread of the signal from the atrium to the ventricles
A.
B.
C.
D.
49.  Which of the following structures "sees" unoxygenated blood?
A.
B.
C.
D.
50.  Under what condition is blood most likely to flow "backward" (e.g., from the left ventricle back into the left atrium)?
A.
B.
C.
D.
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