Erythropoiesis does not require
A. iron.
B. vitamin B12.
C. folate.
D. vitamin K.
E. All of these are required.
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Question 2) Which of the following cell types is an immature red blood cell?
A. erythrocyte
B. reticulocyte
C. thrombocyte
D. monocyte
E. leukocyte
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Question 3) Iron
A. is needed to produce hemoglobin.
B. is a plasma coagulation factor.
C. is the binding site for carbon dioxide on the hemoglobin molecule.
D. prevents carbon monoxide from binding to hemoglobin.
E. interferes with the normal function of hemoglobin.
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Question 4) Rupture of a red blood cell is called hematopoiesis.
Indicate whether the statement is true or false.
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Question 5) What may be affected if the enzyme carbonic anhydrase was not made in the body?
A. conversion of hemoglobin to oxyhemoglobin
B. conversion of carbon dioxide to bicarbonate ion
C. transport of oxygen by hemoglobin
D. hemolysis of red blood cells
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Question 6) What gas is also carried by a beta-globin that may help regulate blood pressure?
A. carbon monoxide
B. carbon dioxide
C. nitrogen
D. nitric oxide
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Question 7) The combination of hemoglobin and carbon dioxide is
A. carboxyhemoglobin.
B. oxyhemoglobin.
C. deoxyhemoglobin.
D. carbaminohemoglobin.
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Question 8) Which of the following is NOT a form of hemoglobin found in the developing human?
A. adult
B. embryonic
C. adolescent
D. fetal
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Question 9) Each hemoglobin molecule
A. has one heme group.
B. contains two polypeptide chains.
C. transports four oxygen molecules.
D. has two iron atoms and two globin chains.
E. transports one oxygen molecule.
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Question 10) An increase in hemoglobin increases
A. the ability of the blood to carry oxygen to various tissues.
B. the quantity of plasma protein available for blood clotting.
C. the leukocyte count.
D. the body's immune response.
E. the osmotic pressure of the blood.
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