The ____ circulation supplies the brain with oxygen and nutrients and disposes of waste.
a. cerebral
b. coronary
c. pulmonary
d. renal
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Question 2) The ____ circulation is the blood circulatory route that supplies the myocardium of the heart.
a. cerebral
b. coronary
c. pulmonary
d. renal
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Question 3) The bundle of ____ distributes the electrical charge over the medial surfaces of the ventricles.
a. His
b. Purkinje
c. sinoatrium
d. myoatrium
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Question 4) Blood flow from the lower portions of the body return to the heart via the ____ vena cava.
a. anterior
b. medial
c. inferior
d. lateral
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Question 5) The atrioventricular valve between the left atrium and the left ventricle is known as the ____ valve.
a. tricuspid
b. bicuspid
c. pulmonary
d. aortic
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Question 6) Cords called the chordae ____ connect the pointed ends of the cusps of the AV valves to the papillary muscles.
a. ligaments
b. tendineae
c. muscles
d. ligamentum
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Question 7) The coronary arteries supply blood to the ____.
a. heart
b. lungs
c. kidneys
d. liver
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Question 8) Oxygenated blood returns to the heart from the lungs via four pulmonary ____.
a. arteries
b. arterioles
c. veins
d. venules
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Question 9) The ____ vena cava brings blood from the upper parts of the body, the head, neck, and arms to the heart.
a. inferior
b. medial
c. lateral
d. superior
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Question 10) The groove that separates the atria from the ventricles is called the coronary ____.
a. gyrus
b. trabecula
c. sulcus
d. pectinati
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