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Heart
Test Description: The cardiovascular system: The Heart
Instructions: Answer all questions to get your test result.
1) The heart is enclosed in a sac called
A
Heart sac
B
Pericarditis
C
Pericardium
D
Perineum
2) Blood flows from the left ventricle through the
A
bicuspid
B
aortic semilunar valve
C
pulmonary semilunar valve
D
tricuspid valve
3) Cardiac output is
A
the volume of blood pumped out by one ventricle with each beat
B
blood flow through the heart during one complete heartbeat
C
the amount of blood pumped out by each ventricle in 1 minute
D
the volume of blood remaining in a ventricle after it has contracted
4) The second heart sound "dupp" is actually the sound of the
A
ventricles contracting
B
semilunar valves closing
C
atria contracting
D
atrioventricular valves closing
5) Which of these delivers blood to the left atrium
A
superior vena cava
B
pulmonary veins
C
pulmonary arteries
D
coronary sinus
6) Pectinate muscles are found in the ____; trabeculae carneae are found in the ___.
A
aorta, pulmonary trunk
B
atrium, ventricles
C
ventricles, atrium
D
superior vena cava, inferior vena cava
7) An average heartbeat, or cardiac cycle, lasts approximately
A
8.0 seconds
B
0.80 seconds
C
.008 seconds
D
80 seconds
8) The P wave of the ECG represents
A
atrial repolarization
B
atrial depolarization
C
ventricular repolarization
D
ventricular depolarization
9) An incomplete interatrial septum is called
A
foramen ovale
B
ligamentum arteriosum
C
ductus arteriosus
D
fossa ovalis
10) What node typically generates impulses about 75 times every minute
A
Purkinje node
B
Atrioventricular node
C
Inguinal node
D
Sinoatrial node
*select an answer for all questions
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