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During exercise,


A) venous return increases.
B) both cardiac output and stroke volume increase.
C) vasodilation occurs at the active skeletal muscles.
D) venous return increases and vasodilation occurs at the active skeletal muscles.
E) All of the answers are correct.

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Blood from capillaries on the superior surface of the foot drains into a(n)


A) plantar vein.
B) dorsal venous arch.
C) small saphenous vein.
D) peroneal vein.
E) iliac vein.

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The thoroughfare channel ends at the


A) artery.
B) arteriole.
C) capillary.
D) venule.
E) vein.

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The opening and closing of the precapillary sphincter is called


A) cycling.
B) oscillating.
C) vasomotion.
D) autoregulation.
E) vasoconstriction.

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The ________ vein is formed by the fusion of the greater saphenous vein,femoral vein,and deep femoral vein.


A) internal iliac
B) external iliac
C) common iliac
D) inferior vena cava
E) azygos

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Which of the following changes does not occur during exercise compared to rest?


A) Cardiac output is higher.
B) Heart blood flow is higher.
C) Skin blood flow is lower.
D) Abdominal viscera blood flow is lower.
E) Kidney blood flow is lower.

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The brachial and femoral arteries are examples of which type of artery?


A) arteriolar
B) elastic
C) connective
D) muscular
E) vascular

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Blood from the dorsal venous arch is drained by the ________ vein(s) .


A) small saphenous
B) great saphenous
C) posterior tibial
D) small saphenous and great saphenous
E) posterior tibial and great saphenous

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The direct interconnection of two arteries is called an arterial


A) collateral.
B) anastomosis.
C) unification.
D) merger.
E) portal.

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Some of the fluid that is forced out of capillaries is returned to the blood by the


A) muscular arteries.
B) liver.
C) hepatic portal vein.
D) venules.
E) lymphatic system.

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________ vessels conduct fluid from the interstitial space back to the venous system.


A) Capillary
B) Circulatory
C) Lymphatic
D) Tissue
E) Interstitial

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In which of the following would the blood flow be highest?


A) a vessel 0.5 cm in diameter and 2 meters long
B) a vessel 1.0 cm in diameter and 10 meters long
C) a vessel 0.5 cm in diameter and 4 meters long
D) a vessel 1.0 cm in diameter and 2 meters long

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The external iliac artery branches to form the ________ arteries.


A) radial and ulnar
B) femoral and popliteal
C) femoral and tibial
D) tibial and popliteal
E) femoral and deep femoral

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The blood vessel that supplies blood to the cerebral arterial circle from the posterior is the ________ artery.


A) basilar
B) middle cerebral
C) vertebral
D) internal carotid
E) posterior cerebral

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Branches of the popliteal artery include the


A) femoral artery.
B) anterior tibial artery.
C) iliac artery.
D) dorsalis pedis.
E) plantar arch.

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The vessel that supplies a capillary bed from an arteriole is called a


A) portal vein.
B) metarteriole.
C) continuous capillary.
D) thoroughfare channel.
E) venule.

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At the level of the first rib,the axillary vein becomes the ________ vein.


A) cephalic
B) azygos
C) subclavian
D) innominate
E) external jugular

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What vessels hold the largest percentage of the blood supply?


A) arteries
B) arterioles
C) capillaries
D) venules
E) veins

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Calculate the net filtration pressure (NFP) with a blood hydrostatic pressure of 40 mm Hg and a blood colloid osmotic pressure of 25 mm Hg.Then determine if filtration or reabsorption occurs. NFP = ________ and results in a fluid ________.


A) 15 mm Hg; filtration
B) 65 mm Hg; reabsorption
C) 65 mm Hg; filtration
D) 15 mm Hg; reabsorption
E) -15 mm Hg; filtration

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ADH and aldosterone secretion are part of the body's long-term compensation for


A) a heart attack.
B) hypertension.
C) a serious hemorrhage.
D) prolonged exercise.
E) a heavy meal.

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