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- 1. Multiple Choice
The vessel layer that has a direct role in vasoconstriction is the __________.
tunica intima
tunica media
tunica externa
capillaries
- 2. Multiple Choice
Blood flows directly from __________ into capillary beds.
heart
aorta
venules
arterioles
- 3. Multiple Choice
The vessels that exhibit the lowest level of permeability are the __________.
continuous capillaries
fenestrated capillaries
sinusoidal capillaries
- 4. Multiple Choice
When would the capillary beds surrounding the gastrointestinal organs be open?
when digesting a meal
while sleeping
while exercising
in between meals
- 5. Multiple Choice
Baroreceptors are effective in long-term regulation of blood pressure.
False
True
- 6. Multiple Choice
Which of the following is true when comparing arteries and veins?
Arteries have valves; veins do not.
Arteries are less muscular than veins.
Arteries carry blood away from the heart; veins carry blood to the heart.
At any given time, there is more blood present in arteries than in veins.
- 7. Multiple Choice
Blood flow would be increased by __________.
increasing cardiac output
decreasing vessel diameter
increasing blood vessel length
decreasing blood pressure
- 8. Multiple Choice
Hypertension is defined physiologically as a condition of sustained arterial pressure of __________ or higher.
120/80
140/90
130/90
130/80
- 9. Multiple Choice
Fluids would be likely to leave or filter out of the capillary if __________.
net hydrostatic pressure (HP) is greater than net osmotic pressure (OP)
net hydrostatic pressure (HP) is less than net osmotic pressure (OP)
net filtration pressure (NFP) is negative
osmotic pressure (OP) in the capillary is high
- 10. Multiple Choice
Cardiogenic shock is most likely to result from __________.
large-scale blood loss
a systemic allergic reaction
multiple heart attacks
a severe bacterial infection
- 11. Multiple Choice
Blood flows from the lungs to the __________ via the __________.
left atrium; pulmonary veins
right atrium; pulmonary arteries
left atrium; pulmonary arteries
right atrium; pulmonary veins
- 12. Multiple Choice
Blood from the brain is returned to the heart via the __________.
inferior vena cava
abdominal aorta
thoracic aorta
superior vena cava
- 13. Multiple Choice
The hepatic portal system collects blood from the __________ and then routes it to the __________.
kidneys; liver
liver; GI tract
liver; kidneys
GI tract; liver
- 14. Multiple Choice
The coronary arteries arise from the __________.
inferior vena cava
superior vena cava
pulmonary trunk
aorta
- 15. Multiple Choice
The inferior vena cava brings blood from the lower regions of the body and empties into the __________.
left atrium
right atrium
left ventricle
right ventricle
- 16. Multiple Choice
The vessels that carry oxygen to the myocardium are called __________.
aortic arteries
pulmonary veins
coronary arteries
coronary veins
- 17. Multiple Choice
What letter is tunica externa?
C
B
A
E
- 18. Multiple Choice
Which letter is the tunica intima?
E
A
D
C
- 19. Multiple Choice
Which letter is the tunica media?
B
F
A
C
- 20. Multiple Choice
Which letter is the internal elastic membrane?
A
B
C
D
- 21. Multiple Choice
Which letter is the external elastic membrane?
D
A
C
E
- 22. Multiple Choice
What are the three types of blood vessels?
arteries; capillaries; veins
externa; media; intima
elastic; muscular; arterioles
continuous; fenestrated; sinusoidal
- 23. Multiple Choice
Three types of capillaries: continuous; fenestrated; sinusoidal
True
False
- 24. Multiple Choice
Three types of arteries: elastic; muscular; arterioles
True
False
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