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Review and Comprehension Quiz
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1
Which of these is a function of blood?
A)clot formation
B)protection against foreign substances
C)maintenance of body temperature
D)regulation of pH and osmosis
E)all of the above
2
Which of these is not a component of plasma?
A)nitrogen
B)sodium ions
C)platelets
D)water
E)urea
3
Which of these plasma proteins plays an important role in maintaining the osmotic concentration of the blood?
A)albumin
B)fibrinogen
C)platelets
D)hemoglobin
E)globulins
4
The cells that give rise to the red blood cells are
A)lymphoblasts.
B)megakaryoblasts.
C)monoblasts.
D)myeloblasts.
E)proerythroblasts.
5
Red blood cells
A)are the least numerous formed element in the blood.
B)are phagocytic cells.
C)are produced in the yellow marrow.
D)do not have a nucleus.
E)all of the above.
6
Given these ways of transporting carbon dioxide in the blood:
1. bicarbonate ions
2. combined with blood proteins
3. dissolved in plasma
Choose the arrangement that lists them in the correct order from largest to smallest percentage of carbon dioxide transported.
A)1, 2, 3
B)1, 3, 2
C)2, 3, 1
D)2, 1, 3
E)3, 1, 2
7
Which of these components of a red blood cell is correctly matched with its function?
A)heme group of hemoglobin—oxygen transport
B)globin portion of hemoglobin—carbon dioxide transport
C)carbonic anhydrase—carbon dioxide transport
D)cysteine on β-globin—nitric oxide transport
E)all of the above
8
Each hemoglobin molecule can become associated with ______________ oxygen molecules.
A)one
B)two
C)three
D)four
E)unlimited
9
Which of these substances is not required for normal red blood cell production?
A)folate
B)vitamin K
C)iron
D)vitamin B12
10
Erythropoietin
A)is produced mainly by the heart.
B)inhibits the production of red blood cells.
C)production increases when blood oxygen decreases.
D)production is inhibited by testosterone.
E)all of the above.
11
Which of these changes occurs in the blood in response to the initiation of a vigorous exercise program?
A)increased erythropoietin production
B)increased concentration of reticulocytes
C)decreased bilirubin formation
D)both a and b
E)all of the above
12
Which of the components of hemoglobin is correctly matched with its fate following the destruction of a red blood cell?
A)heme: reused to form a new hemoglobin molecule
B)globin: broken down into amino acids
C)iron: mostly secreted in bile
D)all of the above
13
If you live near sea level and are training for a track meet in Denver (5280 ft elevation), you would want to spend a few weeks before the meet training at
A)sea level.
B)an altitude similar to Denver’s.
C)a facility with a hyperbaric chamber.
D)any location—it doesn't matter.
14
The blood cells that function to inhibit inflammation are
A)eosinophils.
B)basophils.
C)neutrophils.
D)monocytes.
E)lymphocytes.
15
The most numerous type of white blood cell, whose primary function is phagocytosis, is
A)eosinophils.
B)basophils.
C)neutrophils.
D)monocytes.
E)lymphocytes.
16
Monocytes
A)are the smallest white blood cells.
B)increase in number during chronic infections.
C)give rise to neutrophils.
D)produce antibodies.
17
The white blood cells that release large amounts of histamine and heparin are
A)eosinophils.
B)basophils.
C)neutrophils.
D)monocytes.
E)lymphocytes.
18
The smallest white blood cells, which include B cells and T cells, are
A)eosinophils.
B)basophils.
C)neutrophils.
D)monocytes.
E)lymphocytes.
19
Platelets
A)are derived from megakaryocytes.
B)are cell fragments.
C)have surface molecules that attach to collagen.
D)play an important role in clot formation.
E)all of the above.
20
Given these processes in platelet plug formation:
1. platelet adhesion
2. platelet aggregation
3. platelet release reaction
Choose the arrangement that lists the processes in the correct order after a blood vessel is damaged.
A)1, 2, 3
B)1, 3, 2
C)3, 1, 2
D)3, 2, 1
E)2, 3, 1
21
A constituent of blood plasma that forms the network of fibers in a clot is
A)fibrinogen.
B)tissue factor.
C)platelets.
D)thrombin.
E)prothrombinase.
22
Given these chemicals:
1. activated factor XII
2. fibrinogen
3. prothrombinase
4. thrombin
Choose the arrangement that lists the chemicals in the order they are used during clot formation.
A)1, 3, 4, 2
B)2, 3, 4, 1
C)3, 2, 1, 4
D)3, 1, 2, 4
E)3, 4, 2, 1
23
The extrinsic clotting pathway
A)begins with the release of thromboplastin (tissue factor).
B)leads to the production of prothrombinase.
C)requires Ca2+.
D)all of the above.
24
Which of these is not an anticoagulant found in the blood?
A)ethylenediamenetetraacetic acid (EDTA)
B)antithrombin
C)heparin
D)prostacyclin
25
The chemical that is involved in the breakdown of a clot (fibrinolysis) is
A)antithrombin.
B)fibrinogen.
C)heparin.
D)plasmin.
E)sodium citrate.
26
A person with type A blood
A)has anti-A antibodies.
B)has type B antigens.
C)will have a transfusion reaction if given type B blood.
D)all of the above.
27
In the United States, the most common blood type is
A)A positive.
B)B positive.
C)O positive.
D)O negative.
E)AB negative.
28
Rh-negative mothers who receive a RhoGAM injection are given that injection to
A)initiate the synthesis of anti-Rh antibodies in the mother.
B)initiate anti-Rh antibody production in the baby.
C)prevent the mother from producing anti-Rh antibodies.
D)prevent the baby from producing anti-Rh antibodies.
29
The blood test that distinguishes between leukocytosis and leukopenia is
A)type and crossmatch.
B)hematocrit.
C)platelet count.
D)complete blood count.
E)prothrombin time measurement.
30
An elevated neutrophil count is usually indicative of
A)an allergic reaction.
B)a bacterial infection.
C)a viral infection.
D)a parasitic infection.
E)increased antibody production.





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