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Which of the following structures is used to control the flow of blood through a capillary bed?


A) thoroughfare channels
B) precapillary sphincters
C) postcapillary sphincters
D) venules
E) valves in veins

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The pressure-driven movement of fluids and solutes from blood into interstitial fluid is called


A) reabsorption.
B) filtration.
C) bulk flow.
D) osmosis.
E) transcytosis.

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Which of the following is the most important method of capillary exchange?


A) diffusion
B) transcytosis
C) bulk flow
D) primary active transport
E) secondary active transport

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What is a portal vein? Describe the hepatic portal circulation.

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A vein that carries blood from one capil...

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Which of the following vessels drains blood from the lower leg?


A) Jugular vein
B) Superior vena cava
C) Tibial vein
D) Coronary vein
E) Inferior mesenteric vein

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Which vessel in the figure is labeled "B"? Which vessel in the figure is labeled  B ?   A) left femoral vein B) left great saphenous vein C) left popliteal vein D) left anterior tibial vein E) left fibular vein


A) left femoral vein
B) left great saphenous vein
C) left popliteal vein
D) left anterior tibial vein
E) left fibular vein

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In resting individuals,which vessels serve as a large blood reservoir from which blood can be quickly diverted to other vessels as needed?


A) Arteries and arterioles
B) Arterioles and capillaries
C) Venules and capillaries
D) Veins and venules
E) Aorta and veins

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What do following arteries have in common: superficial temporal artery,brachial artery and common carotid artery?


A) They are all areas where Korotkoff sounds cannot be heard.
B) They are all only found on the left side of the body.
C) They are all common pulse points.
D) They all contain baroreceptors.
E) They all deliver blood to structures in the head.

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Which of the following categories of hypertension drugs lower blood pressure by blocking formation of angiotensin II,which results in vasodilation and decreased aldosterone secretion?


A) Diuretics
B) ACE inhibitors
C) Beta blockers
D) Calcium channel blockers
E) Anabolic steroids

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The cardiovascular center is located


A) in the thoracic cavity.
B) in the cerebral cortex.
C) in the cerebellum.
D) in the medulla oblongata.
E) in the hypothalamus.

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Which of the following vessels drains blood from the head and neck?


A) Median cubital vein
B) Inferior vena cava
C) Axillary vein
D) Femoral vein
E) Jugular vein

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Which of the labeled layers in the diagram of the arterial wall is composed of a simple squamous epithelium,a basement membrane and a layer of elastic tissue? Which of the labeled layers in the diagram of the arterial wall is composed of a simple squamous epithelium,a basement membrane and a layer of elastic tissue?   A) A B) B C) C D) A and B E) A,B,and C


A) A
B) B
C) C
D) A and B
E) A,B,and C

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What physiological process is depicted in this figure? What physiological process is depicted in this figure?   A) Venous blood blockage B) Skeletal muscle pump C) Respiratory pump D) Thoroughfare channels E) Anastomosis


A) Venous blood blockage
B) Skeletal muscle pump
C) Respiratory pump
D) Thoroughfare channels
E) Anastomosis

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Which vessel in the figure is labeled "F"? Which vessel in the figure is labeled  F ?   A) left femoral vein B) left great saphenous vein C) left popliteal vein D) left anterior tibial vein E) left small saphenous vein


A) left femoral vein
B) left great saphenous vein
C) left popliteal vein
D) left anterior tibial vein
E) left small saphenous vein

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Normal blood pressure for a young adult male is


A) 120/80.
B) 130/90.
C) 80/120.
D) 100/80.
E) 150/85.

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