The hemoglobin found in erythrocytes is able to chemically attach to
A. only oxygen.
B. only carbon dioxide.
C. only nitrogen
D. both oxygen and carbon dioxide.
E. oxygen, carbon dioxide, and nitrogen.
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Question 2) Beta-globulins transport ________, whereas gamma-globulins are ________.
A. antibodies, lipids
B. iron ions, antibodies
C. lipids, heavy metals
D. oxygen, clotting proteins
E. clotting factors, hormones
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Question 3) Natural killer cells derive from T-lymphoblasts and monocytes derive from the granulocyte line.
Indicate whether this statement is true or false.
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Question 4) The reason it is more appropriate to call an erythrocyte a formed element rather than a cell is that erythrocytes
A. are actually dead.
B. lack a nucleus and organelles.
C. have lots of inclusion molecules.
D. are not red.
E. can form a rouleau when moving through a capillary.
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Question 5) Iron, lactic acid, and lipids are all considered to be nutrients in blood plasma.
Indicate whether this statement is true or false.
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Question 6) Which most closely approximates the percentage of water in plasma by weight?
A. 1
B. 25
C. 46
D. 92
E. 98
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Question 7) The globulins make up about ________ percent of all plasma proteins.
A. 58
B. 37
C. 4
D. 1
E. 85
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Question 8) An individual's hematocrit would vary with
A. age.
B. sex.
C. altitude.
D. All of the choices are correct.
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Question 9) Sodium, calcium, and bicarbonate are all described as plasma
A. solvents.
B. nutrients.
C. electrolytes.
D. proteins.
E. formed elements.
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Question 10) Glucose is a
A. polar molecule, and therefore it dissolves readily in plasma.
B. polar molecule, and therefore it requires a transporter in the blood.
C. nonpolar molecule, and therefore it dissolves readily in plasma.
D. nonpolar molecule, and therefore it requires a transporter in the blood.
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