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Jouer Test
1. 
Which layer of the heart allows it to act as a pump?
A.
Epicardium
B.
Myocardium
C.
Pericardium
D.
Endocardium
2. 
Which slinglike structure supports the heart?
A.
Pericardium
B.
Chordae tendineae
C.
Myocardium
D.
Endocardium
3. 
What is the hardest working cardiac chamber and therefore has the thickest myocardium?
A.
Right atrium
B.
Right ventricle
C.
Left atrium
D.
Left ventricle
4. 
The right ventricle pumps blood to the
A.
right atrium.
B.
pulmonary veins
C.
pulmonary artery
D.
aorta.
5. 
vessel(s) that carry(ies) blood from the pulmonary capillaries to the left atrium is (are) the
A.
aorta.
B.
pulmonary artery
C.
pulmonary veins.
D.
vena cava.
6. 
The aorta receives blood from the
A.
right ventricle.
B.
pulmonary veins.
C.
pulmonary artery.
D.
left ventricle.
7. 
Blood flows from the right atrium through which atrioventricular valve to the right ventricle?
A.
Bicuspid
B.
Mitral
C.
Pulmonic
D.
Tricuspid
8. 
Which of the following structures receives unoxygenated blood?
A.
Aorta
B.
Left ventricle
C.
Pulmonary artery
D.
Pulmonary veins
9. 
Which of the following receives oxygenated blood?
A.
Venae cavae
B.
Pulmonary veins
C.
Right atrium
D.
Pulmonic valve
10. 
Chordae tendineae are not associated with this valve.
A.
Aortic
B.
Mitral
C.
Tricuspid
D.
Bicuspid
11. 
With which of the following is “lubb-dupp” associated?
A.
Myocardial contraction
B.
Ventricular depolarization
C.
Closing of heart valves
D.
Diffusion of O2 from the lungs
12. 
Which of the following supplies oxygenated blood to the heart muscle?
A.
Coronary arteries
B.
Pulmonary artery
C.
Pulmonary veins
D.
Cardiac veins
13. 
Which structure connects the cusps of the AV valves to the ventricles?
A.
Purkinje fibers
B.
AV node
C.
Bundle of His
D.
Chordae tendineae
14. 
Which of the following is least related to the mitral valve?
A.
Left heart
B.
Bicuspid
C.
Semilunar
D.
Chordae tendineae
15. 
Through which of the following semilunar valves does oxygenated blood pass?
A.
Mitral
B.
Bicuspid
C.
Aortic
D.
Pulmonic
16. 
The correct sequence is: Blood flows from the right atrium to the right ventricle to the pulmonary artery to the
A.
pulmonary veins.
B.
coronary arteries.
C.
pulmonary capillaries.
D.
vena cava
17. 
What event causes the pulmonic valve to open?
A.
The P wave
B.
An increase in the pressure within the right ventricle
C.
“Lubb-dupp”
D.
Contraction of the chordae tendineae
18. 
Which layer of the heart also lines the valves and is continuous with blood vessels?
A.
Myocardium
B.
Endocardium
C.
Epicardium
D.
Pericardium
19. 
The epicardium is a layer of the
A.
myocardium
B.
diaphragm.
C.
pericardium.
D.
endocardium.
20. 
The mitral and the bicuspid valves
A.
are semilunar valves.
B.
are both located on the right side of the heart.
C.
“see” only unoxygenated blood
D.
are the same valves.
21. 
The pulmonic and aortic valves
A.
are atrioventricular valves.
B.
“see” only oxygenated blood.
C.
are attached to the ventricular walls by chordae tendineae
D.
are semilunar valves.
22. 
The correct sequence is: Blood flows from the pulmonary capillaries to the pulmonary veins to the left atrium to the left ventricle to the
A.
vena cava.
B.
pulmonary artery
C.
aorta
D.
circle of Willis.
23. 
Which of the following is a result of ventricular contraction?
A.
The AV valves open
B.
The semilunar valves close.
C.
Blood is pumped into the pulmonary artery and the aorta.
D.
Blood flows back into the atria.
24. 
Under what condition is blood most likely to flow “backward” (e.g., from the left ventricle back into the left atrium)?
A.
Pulmonary artery hypertension
B.
Left ventricular hypertrophy
C.
An insufficient mitral valve
D.
Pulmonary edema
25. 
What are ventricles “doing” during atrial contraction?
A.
Pumping blood into the great vessels
B.
Closing their AV valves
C.
Relaxing
D.
Opening their semilunar valves
26. 
Which cavity first receives unoxygenated blood from the vena cava?
A.
Right ventricle
B.
Left atrium
C.
Left ventricle
D.
Right atrium
27. 
What is the name of the valve that prevents backflow of blood into the right atrium when the right ventricle contracts?
A.
Mitral
B.
Pulmonic
C.
Semilunar
D.
Tricuspid
28. 
What is the cause of the heart sounds “lubb-dupp”?
A.
Closing of the heart valves
B.
Flow of blood through the coronary arteries
C.
The electrical signal as it moves through the AV node
D.
The firing of the autonomic nerves to the SA node
29. 
Which of the following is not true of the heart?
A.
The heart is located within the mediastinum.
B.
The apex is located left of the sternal midline at the level of the fifth intercostal space
C.
The base of the heart is located at the level of the second rib.
D.
The pericardium is composed of actin and myosin.
30. 
Which of the following is least descriptive of the myocardium?
A.
Supplied with blood by the coronary arteries
B.
Thicker in the ventricles than the atria
C.
Thicker in the left ventricle than the right ventricle
D.
Thicker in the left atrium than the right ventricle
31. 
Which of the following is a function of a valve?
A.
Regulates the direction of blood flow through the heart
B.
Regulates the amount of oxygen bound to hemoglobin
C.
Regulates heart rate
D.
Directs the movement of the cardiac impulse
32. 
Which of the following is least true of the aortic valve?
A.
It is also called the left semilunar valve.
B.
It “sees” oxygenated blood.
C.
Blood flows from the ventricle through this valve into the pulmonary artery.
D.
An incompetent aortic valve allows blood to leak from the aorta back into the left ventricle.
33. 
An accumulation of excess fluid in the pericardial space
A.
causes external compression of the heart.
B.
depresses the SA node, thereby eliminating pacemaker activity.
C.
causes valvular stenosis.
D.
causes a left-to-right shunt.
34. 
Which structure “sees” oxygenated blood?
A.
Tricuspid valve
B.
Pulmonary artery
C.
Pulmonary veins
D.
Right semilunar valve
35. 
Which group is incorrect?
A.
Semilunar valves: pulmonic, aortic
B.
Atrioventricular valves: tricuspid, bicuspid, mitral
C.
Structures that carry oxygenated blood: pulmonary veins, left ventricle, aorta
D.
Structures that carry unoxygenated blood: right ventricle, venae cavae, pulmonary veins
36. 
Which group is incorrect?
A.
Semilunar valves: pulmonic, aortic
B.
Structures that carry oxygenated blood: pulmonary veins, left ventricle, aorta
C.
Layers of the heart: epicardium, myocardium, endocardium
D.
Abnormal heart rates: tachycardia, bradycardia, normal sinus rhythm
37. 
The middle layer of the heart is the:
A.
myocardium
B.
epicardium
C.
endocardium
38. 
what part of the nervous system increases heart rate?
A.
sympathetic NS
B.
parasympathetic NS
39. 
Normal heart rate is:
A.
over 110 bpm
B.
80 -110 bpm
C.
40 -60 bpm
D.
60 -100 bpm
40. 
a heart rate under 60 is called
A.
bradycardia
B.
tachycardia
C.
sinus rhythum
41. 
a heart rate over 100 is called:
A.
bradycardia
B.
tachycardia
C.
sinus rhythm
42. 
arteries that supply the heart muscle with oxygen:
A.
cerebral arteries
B.
systemic arteries
C.
pulmonary arteries
D.
coronary arteries
43. 
the contraction phase of the heartbeat:
A.
diastole
B.
systole
44. 
the relaxing phase of a heartbeat:
A.
systole
B.
diastole