Question 1

The cyclical process of contracting and relaxing of the precapillary sphincters is called ________.

Accepted Answer

The answer of The cyclical process of contracting and relaxing...

Question 2

Slow blood flow in the capillaries allows time for exchange of nutrients and wastes between the blood and tissues.

Accepted Answer

A) True 
 B)False

Question 3

Several esophageal branches emerge off of which of the following vessels?

Accepted Answer

A)   Celiac trunk
B)   Bronchial arteries
C)   Left gastric artery
D)   Superior mesenteric arteryE) A) and C)
F) C) and D)

Question 4

Considering the bulk flow that occurs at capillary beds, the lymphatic system is needed to

Accepted Answer

A)   reabsorb excess fluid from the interstitial fluid.
B)   filter additional fluid to the interstitial fluid.
C)   connect arterioles to venules and provide a shunt from the true capillaries.
D)   regulate colloid osmotic pressure so that filtration levels do not decline.E) All of the above
F) A) and D)

Question 5

Which of the artery types contain the internal and external elastic laminae?

Accepted Answer

A)   Elastic arteries
B)   Arterioles
C)   Muscular arteries
D)   Elastic and muscular arteries
E)   Elastic arteries and arteriolesF) All of the above
G) A) and E)

Question 6

The cardiac center of the brainstem includes the

Accepted Answer

A)   cardioacceleratory center, from which parasympathetic pathways extend.
B)   cardioacceleratory center, from which sympathetic pathways extend.
C)   vasomotor center, from which parasympathetic pathways extend.
D)   cardioinhibitory center, from which sympathetic pathways extend.
E)   All of the choices are correct.F) A) and B)
G) A) and E) B

Question 7

A venule becomes a vein when its diameter is greater than ________ micrometers.

Accepted Answer

A)   1
B)   10
C)   100
D)   1000E) B) and C)
F) A) and C)

Question 8

Angiogenesis

Accepted Answer

A)   is a momentary chemical control of local blood flow.
B)   involves muscular constriction of arterioles to alter local perfusion.
C)   allows for an increase in the perfusion of a local tissue.
D)   involves building new muscle tissue and decreasing the amount of blood vessels in a region.E) B) and C)
F) A) and B)

Question 9

Anatomy & functional roles of the different types of blood vessels. 
-In the figure showing the veins of the lower extremity, which number indicates the great saphenous vein?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5F) A) and B)
G) A) and C)

Question 10

The inferior mesenteric artery supplies blood to the

Accepted Answer

A)   transverse colon.
B)   transverse colon and descending colon.
C)   sigmoid colon.
D)   sigmoid colon and ascending colon.
E)   transverse colon, descending colon, sigmoid colon, and rectum.F) A) and E)
G) C) and D)

Question 11

What causes much of the blood in the fetal right atrium to be shunted to the left atrium through the foramen ovale?

Accepted Answer

A)   The blood pressure in the right atrium is greater than in the left atrium.
B)   There is a valve that directs the blood that way.
C)   The fetus is in an antigravity situation provided by the amnionic fluid.
D)   The blood pressure in the left atrium is greater than in the right atrium.
E)   The umbilical arteries have valves.F) C) and D)
G) B) and D)

Question 12

The umbilical cord contains ________ umbilical vein(s)  and ________ umbilical artery(ies) .

Accepted Answer

A)   one; one
B)   two; two
C)   one; two
D)   two; one
E)   two; threeF) B) and D)
G) A) and E)

Question 13

Filtration and reabsorption are processes that involve water (a solvent) but not solutes.

Accepted Answer

A) True 
 B)False

Question 14

If someone were to have abnormally low levels of protein in their blood, then net filtration pressure would

Accepted Answer

A)   be higher than normal.
B)   be lower than normal.C) A) and B)
D) undefined A

Question 15

Sinusoids are found in
A: bone marrow
B: spleen
C: small intestine
D: kidney
E: liver
F: muscle
G: skin

Accepted Answer

A)   a, b, e
B)   b, c, e, f
C)   c, d
D)   f, g
E)   b, c, d, gF) B) and C)
G) A) and E)

Question 16

Which of the following supplies blood to the urinary bladder?

Accepted Answer

A)   Superior vesical artery
B)   Superior gluteal artery
C)   Middle rectal artery
D)   Obturator arteryE) B) and C)
F) C) and D)

Question 17

Which of the following vessel types typically has the thickest tunica media?

Accepted Answer

A)   Veins
B)   Capillaries
C)   ArteriesD) A) and B)
E) A) and C)

Question 18

Increased cardiac output ________ the blood pressure.

Accepted Answer

A)   decreases
B)   increases
C)   will not affectD) A) and B)
E) A) and C)

Question 19

The aorta contains specialized sensory nerve endings that respond to stretch of the vessel wall. These pressure-sensitive structures are called aortic arch ________.

Accepted Answer

The answer of The aorta contains specialized sensory nerve endings...

Question 20

The left renal vein, right renal vein, right suprarenal vein, and right gonadal vein merge directly into the

Accepted Answer

A)   superior vena cava.
B)   great saphenous vein.
C)   inferior vena cava.
D)   common iliac vein.
E)   obturator vein.F) A) and C)
G) B) and C) C

Exam 20: Cardiovascular System: Vessels and Circulation

The cyclical process of contracting and relaxing of the precapillary sphincters is called ________.

Correct AnswerverifiedShow Answer

Slow blood flow in the capillaries allows time for exchange of nutrients and wastes between the blood and tissues.

Correct AnswerverifiedShow Answer

Several esophageal branches emerge off of which of the following vessels?

Correct AnswerverifiedShow Answer

Considering the bulk flow that occurs at capillary beds, the lymphatic system is needed to

Correct AnswerverifiedShow Answer

Which of the artery types contain the internal and external elastic laminae?

Correct AnswerverifiedShow Answer

The cardiac center of the brainstem includes the

Correct AnswerverifiedB

A venule becomes a vein when its diameter is greater than ________ micrometers.

Correct AnswerverifiedShow Answer

Angiogenesis

Correct AnswerverifiedShow Answer

Anatomy & functional roles of the different types of blood vessels. -In the figure showing the veins of the lower extremity, which number indicates the great saphenous vein?

Correct AnswerverifiedShow Answer

The inferior mesenteric artery supplies blood to the

Correct AnswerverifiedShow Answer

What causes much of the blood in the fetal right atrium to be shunted to the left atrium through the foramen ovale?

Correct AnswerverifiedShow Answer

The umbilical cord contains ________ umbilical vein(s) and ________ umbilical artery(ies) .

Correct AnswerverifiedShow Answer

Filtration and reabsorption are processes that involve water (a solvent) but not solutes.

Correct AnswerverifiedShow Answer

If someone were to have abnormally low levels of protein in their blood, then net filtration pressure would

Correct AnswerverifiedA

Sinusoids are found in A: bone marrow B: spleen C: small intestine D: kidney E: liver F: muscle G: skin

Correct AnswerverifiedShow Answer

Which of the following supplies blood to the urinary bladder?

Correct AnswerverifiedShow Answer

Which of the following vessel types typically has the thickest tunica media?

Correct AnswerverifiedShow Answer

Increased cardiac output ________ the blood pressure.

Correct AnswerverifiedShow Answer

The aorta contains specialized sensory nerve endings that respond to stretch of the vessel wall. These pressure-sensitive structures are called aortic arch ________.

Correct AnswerverifiedShow Answer

The left renal vein, right renal vein, right suprarenal vein, and right gonadal vein merge directly into the

Correct AnswerverifiedC

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B

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The umbilical cord contains umbilical vein(s) and umbilical artery(ies) .

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A

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C