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