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Multiple Choice Quiz
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1
In a given volume of blood, about ________% is plasma and ________% is formed elements.
A)45; 55
B)50; 50
C)55; 45
D)60; 40
2
Mature ________ are the most abundant of the formed elements.
A)erythrocytes
B)platelets
C)neutrophils
D)lymphocytes
3
A decrease in blood oxygen increases the release of ________ from kidneys and liver, and it stimulates the production of ________ by red bone marrow.
A)folic acid; leukocytes
B)erythropoietin; erythrocytes
C)erythropoietin; leukocytes
D)folic acid; erythrocytes
4
The hemoglobin within erythrocytes plays a major role in the transport of ________ by the blood.
A)carbon dioxide
B)hydrogen ions
C)hormones
D)oxygen
5
________ are the blood cells that help provide a defense against disease organisms.
A)Leukocytes
B)Platelets
C)Erythrocytes
D)Both leukocytes and erythrocytes
6
Antibodies that attack pathogens are produced by
A)neutrophils.
B)monocytes.
C)T lymphocytes.
D)B lymphocytes.
7
_________ that migrate into tissues become mast cells, which release _________ in allergic reactions.
A)Neutrophils; heparin
B)Eosinophils; antibodies
C)Basophils; histamine
D)Monocytes; heparin
8
________ are leukocytes that migrate into tissues and become macrophages.
A)Neutrophils
B)Basophils
C)Monocytes
D)Lymphocytes
9
________ are leukocytes that neutralize histamine and destroy parasitic worms.
A)Eosinophils
B)Basophils
C)Monocytes
D)Lymphocytes
10
________ form a temporary plug to stop bleeding in a broken blood vessel.
A)Neutrophils
B)Platelets
C)Monocytes
D)Basophils
11
The enzyme ________ converts fibrinogen into strands of ________, which form a blood clot.
A)thromboplastin; thrombin
B)prothrombin activator; fibrin
C)prostaglandin; prothrombin
D)thrombin; fibrin
12
A person with blood type AB possesses ________ on the plasma membrane of his/her erythrocytes.
A)antigens A and B
B)antibodies a and b
C)no blood typing antigens or antibodies
D)None of these choices.
13
In a blood transfusion, one must consider the ________ of the donor and the _______ of the recipient.
A)antibodies; antigens
B)antigens; antibodies
C)antibodies; antibodies
D)antigens; antigens
14
A woman with Rh- blood does not have anti-Rh antibodies in her blood unless
A)she has had a previous blood transfusion.
B)her husband is Rh+.
C)she has had an Rh+ child.
D)Rh+ erythrocytes have previously been introduced into her blood.
15
The preferred blood type for transfusing to a person with blood type A Rh- is ________, but when it is unavailable, blood type(s) _________ may be used.
A)A Rh-; A Rh+
B)A Rh+ ; AB Rh-
C)A Rh- ; O Rh-
D)A Rh+ ; O Rh-, O Rh+





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