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Review and Comprehension Quiz
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1
Given these blood vessels:
1. arteriole
2. capillary
3. elastic artery
4. muscular artery
5. vein
6. venule
Choose the arrangement that lists the blood vessels in the order a red blood cell passes through them as it leaves the heart, travels to a tissue, and returns to the heart.
A)3,4,2,1,5,6
B)3,4,1,2,6,5
C)4,3,1,2,5,6
D)4,3,2,1,6,5
E)4,2,3,5,1,6
2
Given these structures:
1. metarteriole
2. precapillary sphincter
3. thoroughfare channel
Choose the arrangement that lists the structures in the order a red blood cell encounters them as it passes through a tissue.
A)1,3,2
B)2,1,3
C)2,3,1
D)3,1,2
E)3,2,1
3
In which of these blood vessels are elastic fibers present in the largest amounts?
A)large arteries
B)medium arteries
C)arterioles
D)venules
E)large veins
4
Comparing and contrasting arteries and veins, veins have
A)thicker walls.
B)a greater amount of smooth muscle than arteries.
C)a tunica media and arteries do not.
D)valves and arteries do not.
E)all of the above.
5
The structure that supplies the walls of blood vessels with blood is the
A)venous shunt.
B)tunic channel.
C)arteriovenous anastomosis.
D)vasa vasorum.
E)coronary artery.
6
Given these blood vessels:
1. aorta
2. inferior vena cava
3. pulmonary arteries
4. pulmonary veins
Which vessels carry oxygen-rich blood?
A)1,3
B)1,4
C)2,3
D)2,4
E)3,4
7
Given these arteries:
1. basilar
2. common carotid
3. internal carotid
4. vertebral
Which of these arteries have direct connections with the cerebral arterial circle (circle of Willis)?
A)1,2
B)2,4
C)1,3
D)3,4
E)2,3
8
Given these blood vessels:
1. axillary artery
2. brachial artery
3. brachiocephalic artery
4. radial artery
5. subclavian artery
Choose the arrangement that lists the vessels in order, going from the aorta to the right hand.
A)2,5,4,1
B)5,2,1,4
C)5,3,1,4,2
D)3,5,1,2,4
E)4,5,1,2,3
9
A branch of the aorta that supplies the liver, stomach, and spleen is the
A)celiac trunk.
B)common iliac.
C)inferior mesenteric.
D)superior mesenteric.
E)renal.
10
Given these arteries:
1. common iliac
2. external iliac
3. femoral
4. popliteal
Choose the arrangement that lists the arteries in order going from the aorta to the knee.
A)1,2,3,4
B)1,2,4,3
C)2,1,3,4
D)2,1,4,3
E)3,1,2,4
11
Given these veins:
1. brachiocephalic
2. internal jugular
3. superior vena cava
4. venous sinus
Choose the arrangement that lists the veins in order going from the brain to the heart.
A)1,2,4,3
B)2,4,1,3
C)2,4,3,1
D)4,2,1,3
E)4,2,3,1
12
Blood returning from the arm to the subclavian vein passes through which of these veins?
A)cephalic
B)basilic
C)brachial
D)both a and b
E)all of the above
13
Given these blood vessels:
1. inferior mesenteric vein
2. superior mesenteric vein
3. hepatic portal vein
4. hepatic vein
Choose the arrangement that lists the vessels in order going from the small intestine to the inferior vena cava.
A)1,3,4
B)1,4,3
C)2,3,4
D)2,4,3
E)3,1,4
14
Given this list of veins:
1. small saphenous
2. great saphenous
3. fibular (peroneal)
4. posterior tibial
Which are superficial veins?
A)1,2
B)1,3
C)2,3
D)2,4
E)3,4
15
If you could increase any of these factors that affect blood flow by twofold, which one would cause the greatest increase in blood flow?
A)blood viscosity
B)the pressure gradient
C)vessel radius
D)vessel length
16
Vascular compliance is
A)greater in arteries than in veins.
B)the increase in vessel volume divided by the increase in vessel pressure.
C)the pressure at which blood vessels collapse.
D)proportional to the diameter of the blood vessel times pressure.
E)all of the above.
17
The resistance to blood flow is greatest in the
A)aorta.
B)arterioles.
C)capillaries.
D)venules.
E)veins.
18
Pulse pressure
A)is the difference between systolic and diastolic pressure.
B)increases when stroke volume increases.
C)increases as vascular compliance decreases.
D)all of the above.
19
Veins
A)increase their volume because of their large compliance.
B)increase venous return to the heart when they vasodilate.
C)vasodilate because of increased sympathetic stimulation.
D)all of the above.
20
Local direct control of blood flow through a tissue
A)maintains an adequate rate of flow despite large changes in arterial blood pressure.
B)results from relaxation and contraction of precapillary sphincters.
C)occurs in response to a buildup in carbon dioxide in the tissues.
D)occurs in response to a decrease in oxygen in the tissues.
E)all of the above.
21
An increase in mean arterial pressure can result from
A)an increase in peripheral resistance.
B)an increase in heart rate.
C)an increase in stroke volume.
D)all of the above.
22
In response to an increase in mean arterial pressure, the baroreceptor reflex causes
A)an increase in sympathetic nervous system activity.
B)a decrease in peripheral resistance.
C)stimulation of the vasomotor center.
D)vasoconstriction.
E)an increase in cardiac output.
23
When blood oxygen levels markedly decrease, the chemoreceptor reflex causes
A)peripheral resistance to decrease.
B)mean arterial blood pressure to increase.
C)vasomotor tone to decrease.
D)vasodilation.
E)all of the above.
24
When blood pressure is suddenly decreased a small amount (10 mm Hg), which of these mechanisms are activated to restore blood pressure to normal levels?
A)chemoreceptor reflexes
B)baroreceptor reflexes
C)CNS ischemic response
D)all of the above
25
A sudden release of epinephrine from the adrenal medulla
A)increases heart rate.
B)increases stroke volume.
C)causes vasoconstriction in visceral blood vessels.
D)all of the above.
26
When blood pressure decreases,
A)renin secretion increases.
B)angiotensin II formation decreases.
C)aldosterone secretion decreases.
D)all of the above.
27
In response to a decrease in blood pressure,
A)ADH secretion increases.
B)the kidneys decrease urine production.
C)blood volume increases.
D)all of the above.
28
In response to a decrease in blood pressure,
A)more fluid than normal enters the tissues (fluid shift mechanism).
B)smooth muscles in blood vessels relax (stress-relaxation response).
C)the kidneys retain more salts and water than normal.
D)all of the above.
29
A patient is found to have severe arteriosclerosis of his renal arteries, which reduced renal blood pressure. Which of these is consistent with that condition?
A)hypotension
B)hypertension
C)decreased vasomotor tone
D)exaggerated sympathetic stimulation of the heart
E)both a and c
30
During exercise the blood flow through skeletal muscle may increase up to 20-fold. However, the cardiac output does not increase that much. This occurs because of
A)vasoconstriction in the viscera.
B)vasoconstriction in the skin (at least temporarily).
C)vasodilation of skeletal muscle blood vessels.
D)both a and b.
E)all of the above.





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