Question 1

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) None of the above
E) A) and C)

Question 2

The azygos vein merges with the _____________ vena cava.

Accepted Answer

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

Question 3

Valves in veins

Accepted Answer

A)  make the use of a skeletal muscle pump unnecessary for venous blood flow.
B)  are the leading cause of high blood pressure.
C)  are found only in the largest veins.
D)  cause venous blood flow to go in only one direction.
E)  are formed of the tunica media.F) All of the above
G) A) and E)

Question 4

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

Accepted Answer

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

Question 5

The ________ is composed of circularly arranged layers of smooth muscle cells.

Accepted Answer

A)  tunica media
B)  tunica externa
C)  tunica intima
D)  tunica interna
E)  None of the answers is correct.F) C) and D)
G) A) and B) A

Question 6

Angiotensin II causes

Accepted Answer

A)  increased heart rate,vasodilation,and less urine formation.
B)  decreased heart rate,vasoconstriction,and increased urine formation.
C)  vasoconstriction,decrease urine formation,and increased thirst.
D)  decreased thirst,vasodilation,and increased urine formation.
E)  vasoconstriction,increased urine formation,and decreased thirst.F) B) and D)
G) A) and B)

Question 7

Systolic pressure is greater than diastolic pressure due to the force generated by ventricular contraction.

Accepted Answer

A) True 
 B)False  True

Question 8

Gas,nutrient,and waste exchange occur between the __________ and the tissues of the body.

Accepted Answer

A)  arteries
B)  veins
C)  capillaries
D)  capillaries and veins
E)  capillaries and arteriesF) A) and E)
G) A) and C)

Question 9

Which fetal circulatory structure shunts blood from the pulmonary trunk to the aorta

Accepted Answer

A)  Foramen ovale
B)  Ductus venosus
C)  Ductus arteriosus
D)  Umbilical vein
E)  Umbilical arteryF) A) and E)
G) All of the above

Question 10

Net filtration pressure (NFP) is equal to the

Accepted Answer

A)  blood hydrostatic pressure minus the tissue hydrostatic pressure.
B)  colloid osmotic pressure in the blood divided by resistance in the tissue.
C)  blood pressure times the total peripheral resistance.
D)  net hydrostatic pressure minus the net colloid osmotic pressure.
E)  osmotic pressure in the tissue minus the hydrostatic pressure in the blood.F) B) and C)
G) D) and E)

Question 11

Pulmonary arteries are wider than systemic arteries.Therefore,pulmonary circuit blood pressure is

Accepted Answer

A)  high and blood flows very rapidly through pulmonary capillaries,maximizing gas exchange.
B)  high and blood flows very slowly through pulmonary capillaries,maximizing gas exchange.
C)  low and blood flows very rapidly through pulmonary capillaries,maximizing gas exchange.
D)  low and blood flows very slowly through pulmonary capillaries,maximizing gas exchange.E) A) and B)
F) None of the above D

Question 12

The liver receives oxygenated blood from the common hepatic artery and deoxygenated blood from the hepatic portal vein.

Accepted Answer

A) True 
 B)False

Question 13

Which path of arteries would a blood cell follow on its way from the thigh to the foot

Accepted Answer

A)  Deep femoral a.,medial planar a.,posterior tibial a.,plantar arterial arch
B)  Femoral a.,popliteal a.,anterior tibial a.,dorsalis pedis a.
C)  Internal iliac a.,deep femoral a.,poplitial a.,posterior fibular a.
D)  Lateral sacral a.,femoral a.,hamstring a.,tibial a.,dorsalis pedis a.
E)  Femoral a.,saphenous a.,azygous a.,anterior tibial a.F) C) and D)
G) B) and D)

Question 14

The contraction of skeletal muscles plays an important role in the movement of blood in the veins.

Accepted Answer

A) True 
 B)False

Question 15

Which statement accurately compares filtration and reabsorption

Accepted Answer

A)  Filtration is driven by concentration gradients,whereas reabsorption depends on hydrostatic pressure.
B)  Filtration involves bulk flow of fluid out of the blood,whereas reabsorption is bulk flow back into the blood.
C)  Filtration happens at the venule end of a capillary bed and reabsorption happens in feeder arterioles.
D)  The direction of filtration can be either into or out of the blood,but reabsorption always involves fluids entering the blood.E) B) and C)
F) None of the above

Question 16

If someone's blood pressure were listed as 110/65 mmHg,then their mean arterial pressure (MAP) would be

Accepted Answer

A)  70 mmHg.
B)  80 mmHg.
C)  90 mmHg.
D)  100 mmHg.
E)  110 mmHg.F) B) and C)
G) B) and E)

Question 17

Increased cardiac output ______ the blood pressure.

Accepted Answer

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

Question 18

Concerning the exchange between blood and interstitial fluid at systemic capillaries,

Accepted Answer

A)  more fluid is absorbed and reabsorbed than is filtered.
B)  more fluid is filtered than reabsorbed.
C)  the fluid reabsorbed into the capillary exactly matches the amount filtered by the capillary.D) B) and C)
E) A) and C)

Question 19

The end of the aorta occurs when the vessel bifurcates into the

Accepted Answer

A)  brachiocephalic artery.
B)  subclavian arteries.
C)  common iliac arteries.
D)  common carotid arteries.
E)  None of these answers is correct.F) None of the above
G) C) and D)

Question 20

Blood hydrostatic pressure in systemic capillaries is greater than interstitial fluid hydrostatic pressure.

Accepted Answer

A) True 
 B)False

Exam 20: Cardiovascular System: Vessels and Circulation

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

Correct AnswerverifiedShow Answer

The azygos vein merges with the _____________ vena cava.

Correct AnswerverifiedShow Answer

Valves in veins

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The ________ is composed of circularly arranged layers of smooth muscle cells.

Correct AnswerverifiedA

Angiotensin II causes

Correct AnswerverifiedShow Answer

Systolic pressure is greater than diastolic pressure due to the force generated by ventricular contraction.

Correct AnswerverifiedTrue

Gas,nutrient,and waste exchange occur between the __________ and the tissues of the body.

Correct AnswerverifiedShow Answer

Which fetal circulatory structure shunts blood from the pulmonary trunk to the aorta

Correct AnswerverifiedShow Answer

Net filtration pressure (NFP) is equal to the

Correct AnswerverifiedShow Answer

Pulmonary arteries are wider than systemic arteries.Therefore,pulmonary circuit blood pressure is

Correct AnswerverifiedD

The liver receives oxygenated blood from the common hepatic artery and deoxygenated blood from the hepatic portal vein.

Correct AnswerverifiedShow Answer

Which path of arteries would a blood cell follow on its way from the thigh to the foot

Correct AnswerverifiedShow Answer

The contraction of skeletal muscles plays an important role in the movement of blood in the veins.

Correct AnswerverifiedShow Answer

Which statement accurately compares filtration and reabsorption

Correct AnswerverifiedShow Answer

If someone's blood pressure were listed as 110/65 mmHg,then their mean arterial pressure (MAP) would be

Correct AnswerverifiedShow Answer

Increased cardiac output ______ the blood pressure.

Correct AnswerverifiedShow Answer

Concerning the exchange between blood and interstitial fluid at systemic capillaries,

Correct AnswerverifiedShow Answer

The end of the aorta occurs when the vessel bifurcates into the

Correct AnswerverifiedShow Answer

Blood hydrostatic pressure in systemic capillaries is greater than interstitial fluid hydrostatic pressure.

Correct AnswerverifiedShow Answer

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