Question 1

Atherosclerosis involves a

Accepted Answer

A)   sustained increase in blood flow that leads to decreases in venous resistance to keep blood pressure constant.
B)   sustained increase in resistance that leads to increases in arterial pressure to maintain adequate blood flow.
C)   sustained decrease in resistance that leads to decreases in arterial pressure to maintain adequate blood flow.
D)   sustained decrease in blood flow that leads to increases in arterial diameter to lower resistance and raise pressure.
E)   sustained increase in blood pressure that leads to compensatory vasodilation.F) B) and E)
G) A) and B)

Question 2

Blood colloid osmotic pressure is largely due to

Accepted Answer

A)   the proteins in the blood, and it promotes reabsorption.
B)   the high amount of water in the blood, and it promotes diffusion out of the capillaries.
C)   the proteins in the blood, and it promotes filtration.
D)   the pressure generated by the heart, and it favors osmosis into the arteriole end of the capillary bed.
E)   the high amount of water in the blood, and it promotes filtration from arterioles.F) A) and B)
G) C) and D)

Question 3

Of the three artery types, the elastic arteries have the greatest ability to vasoconstrict and vasodilate.

Accepted Answer

A) True 
 B)False

Question 4

The azygos vein merges with the ________ vena cava.

Accepted Answer

The answer of The azygos vein merges with the ________...

Question 5

As a venous pathway moves closer to the heart, the veins

Accepted Answer

A)   get smaller.
B)   get larger.
C)   show no change in their lumen size.D) A) and B)
E) A) and C)

Question 6

If someone were to decrease their food intake and increase aerobic exercise, they might lose adipose tissue and condition their muscles. These changes would also influence their blood vessels, as there would be

Accepted Answer

A)   regression of blood vessels in adipose tissue and angiogenesis in skeletal muscle.
B)   angiogenesis in both adipose tissue and skeletal muscle.
C)   regression of blood vessels in both adipose tissue and skeletal muscle.
D)   angiogenesis in adipose tissue and regression of blood vessels in skeletal muscle.
E)   changes in the diameter of blood vessels, but no angiogenesis nor regression.F) C) and D)
G) A) and B)

Question 7

The ________ in the pulmonary circuit carry deoxygenated blood.

Accepted Answer

A)   arteries
B)   veinsC) A) and B)
D) undefined

Question 8

The velocity of blood flow through capillaries is

Accepted Answer

A)   rapid, due to their small total cross-sectional area.
B)   rapid, which prevents pooling in lower extremities.
C)   slow, due to small total cross-sectional area, low friction and high pressure.
D)   slow, which allows sufficient time for exchange of gases and nutrients between blood and tissues.E) B) and C)
F) C) and D)

Question 9

Which carries blood from the liver to the inferior vena cava?

Accepted Answer

A)   Hepatic portal vein
B)   Splenic vein
C)   Inferior mesenteric vein
D)   Superior mesenteric vein
E)   Hepatic veinsF) A) and B)
G) B) and D)

Question 10

What branches arise directly from the celiac trunk?

Accepted Answer

A)   Left gastric and splenic arteries
B)   Left gastroepiploic and splenic arteries
C)   Left gastric and common hepatic arteries
D)   Left gastric, left gastroepiploic, and splenic arteries
E)   Left gastric, splenic, and common hepatic arteriesF) A) and E)
G) B) and E)

Question 11

The higher the degree of vascularization in a tissue, the greater the potential for local blood flow.

Accepted Answer

A) True 
 B)False

Question 12

To prevent excessive blood loss following tissue damage, local chemicals such as

Accepted Answer

A)   bradykinins are released to trigger vasoconstriction.
B)   nitric oxides are released to trigger vasoconstriction.
C)   thromboxanes are released to trigger vasoconstriction.
D)   prostaglandins are released to trigger vasodilation.
E)   vasopressins are released to trigger vasodilation.F) C) and D)
G) B) and E)

Question 13

Select all that describe total blood flow.

Accepted Answer

A)   It is the amount of blood transported through a specific tissue in given period of time.
B)   It is equivalent to cardiac output.
C)   It increases during exercise.
D)   It averages 5 liters per minute during rest.E) A) and B)
F) B) and D)

Question 14

After birth, the remnant of the umbilical vein becomes the

Accepted Answer

A)   fossa ovalis.
B)   ligamentum arteriosum.
C)   ligamentum teres.
D)   ligamentum venosum.
E)   medial umbilical ligament.F) A) and D)
G) A) and C)

Question 15

Umbilical arteries carry ________ blood.

Accepted Answer

A)   deoxygenated
B)   oxygenated
C)   lymph but notD) A) and B)
E) A) and C)

Question 16

The azygos vein is located on the left side of the vertebrae.

Accepted Answer

A) True 
 B)False

Question 17

It is important that flow of blood in the ________ is slow, allowing time for nutrients and wastes to be exchanged between the blood and tissues.

Accepted Answer

The answer of It is important that flow of blood...

Question 18

Most venous blood from the cranium drains into dural venous sinuses, which drain into the internal jugular veins.

Accepted Answer

A) True 
 B)False

Question 19

Aldosterone and atrial natriuretic peptide have ________ effects on blood pressure.

Accepted Answer

A)   similar
B)   oppositeC) A) and B)
D) undefined

Question 20

________ arteries emerge from the superficial and deep palmar arches to supply the fingers.

Accepted Answer

The answer of ________ arteries emerge from the superficial and...

Exam 20: Cardiovascular System: Vessels and Circulation

Select all that describe total blood flow.

Correct AnswerverifiedShow Answer

The ________ in the pulmonary circuit carry deoxygenated blood.

Correct AnswerverifiedShow Answer

Atherosclerosis involves a

Correct AnswerverifiedShow Answer

It is important that flow of blood in the ________ is slow, allowing time for nutrients and wastes to be exchanged between the blood and tissues.

Correct AnswerverifiedShow Answer

The azygos vein is located on the left side of the vertebrae.

Correct AnswerverifiedShow Answer

The velocity of blood flow through capillaries is

Correct AnswerverifiedShow Answer

Which carries blood from the liver to the inferior vena cava?

Correct AnswerverifiedShow Answer

Umbilical arteries carry ________ blood.

Correct AnswerverifiedShow Answer

To prevent excessive blood loss following tissue damage, local chemicals such as

Correct AnswerverifiedShow Answer

The azygos vein merges with the ________ vena cava.

Correct AnswerverifiedShow Answer

As a venous pathway moves closer to the heart, the veins

Correct AnswerverifiedShow Answer

If someone were to decrease their food intake and increase aerobic exercise, they might lose adipose tissue and condition their muscles. These changes would also influence their blood vessels, as there would be

Correct AnswerverifiedShow Answer

After birth, the remnant of the umbilical vein becomes the

Correct AnswerverifiedShow Answer

Of the three artery types, the elastic arteries have the greatest ability to vasoconstrict and vasodilate.

Correct AnswerverifiedShow Answer

Blood colloid osmotic pressure is largely due to

Correct AnswerverifiedShow Answer

Aldosterone and atrial natriuretic peptide have ________ effects on blood pressure.

Correct AnswerverifiedShow Answer

What branches arise directly from the celiac trunk?

Correct AnswerverifiedShow Answer

Most venous blood from the cranium drains into dural venous sinuses, which drain into the internal jugular veins.

Correct AnswerverifiedShow Answer

________ arteries emerge from the superficial and deep palmar arches to supply the fingers.

Correct AnswerverifiedShow Answer

The higher the degree of vascularization in a tissue, the greater the potential for local blood flow.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified