Download NAME_____________________________ Anatomy I Homework

NAME_____________________________
Anatomy I
Homework #4
1. The bicuspid valve __________________.
a.
b.
c.
d.
is located on the left side of the heart
guards the auricles of the heart
guards the entrance to the aorta
guards the entrance to the pulmonary trunk
2. Freshly oxygenated blood enters the heart through the _____, and is pumped out the ________.
a.
b.
c.
d.
right atrium; aorta
left atrium; aorta
right ventricle; pulmonary arteries
left ventricle; pulmonary arteries
3. A deep wound to the upper thigh might damage the _____________ artery.
a.
b.
c.
d.
femoral
popliteal
anterior tibial
peroneal
4. How many openings are there in the right atrium?
a.
b.
c.
d.
1
2
3
4
5. The _____ valve lies between the right atrium and right ventricle.
a.
b.
c.
d.
bicuspid
aortic semilunar
pulmonary semilunar
tricuspid
6. The pulmonary semilunar valve prevents a back-flow of blood into the _____.
a.
b.
c.
d.
pulmonary artery
right ventricle
left ventricle
right atrium
7. The aortic semilunar valve prevents blood from returning to the _____.
a.
b.
c.
d.
left ventricle
aorta
right ventricle
left atrium
8. Which structure contains the lowest amount of oxygen?
a.
b.
c.
d.
pulmonary vein
aorta
vena cava
left ventricle
9. A heartbeat of less than 60 beats per minute is called _____
a.
b.
c.
d.
tachycardia
bradycardia
arrhythmia
fibrillation
10. Blood is drained from the face, scalp, and superficial regions of the neck by the _______________.
a.
b.
c.
d.
carotid arteries
external jugular veins
internal jugular veins
brachiocephalic veins