Which of the following is NOT a function of the heart?
A. providing a location for gas exchange between oxygen and carbon dioxide
B. regulating blood supply to tissues depending on need
C. generating blood pressure through contraction
D. routing blood to either the pulmonary or systemic circulations
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Question 2) The delivery of oxygen and nutrients to the tissues of the body is accomplished through ________ circulation.
A. hepatic
B. pulmonary
C. peripheral
D. systemic
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Question 3) The heart
A. is a four-chambered muscular pump.
B. is posterior to the trachea.
C. is lined with an epithelial layer called epicardium.
D. lies mostly to the right of the midline of the sternum.
E. has a superior apex and an inferior base.
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Question 4) The right side of the heart receives blood from the body and pumps through _________ circulation to the lungs.
A. hepatic
B. pulmonary
C. peripheral
D. systemic
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Question 5) All of the following could be learned from a blood chemistry test except
A.
blood urea nitrogen.
B.
bilirubin levels.
C.
elevated glucose levels.
D.
heart rate and blood pressure.
E.
elevated cholesterol levels.
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Question 6) Normocytes are red blood cells with a diameter of approximately 7.5 micrometers.
Indicate whether the statement is true or false.
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Question 7) Mike has blood type A. He needs blood, however blood type A is not available. The next best choice would be blood type _______.
A.
B
B.
O
C.
AB
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Question 8) Agglutinins are:
A.
markers on the surface of red blood cells.
B.
complexes of antigens and antibodies.
C.
precursors to clotting factors in the plasma.
D.
antibodies directed against blood cell antigenic markers.
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Question 9) During platelet plug formation, platelets release _____ and endothelial cells release ____ which lead to vasoconstriction.
A.
endothelin; thromboxane
B.
erythropoietin; thromboxane
C. thromboxane; histamine
D.
histamine; heparin
E.
thromboxane; endothelin
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Question 10) Red blood cells have antigenic markers on their surfaces called:
A.
agglutinins
B.
antibodies
C.
haptens
D.
agglutinogens
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