Question 1

Hormones called ________ are involved in regulation of white blood cell populations.

Accepted Answer

A)   erythropoietin
B)   bilirubin
C)   thrombopoietin
D)   colony-stimulating factors
E)   plasmin

Question 2

A blood clot attached to the inner surface of a blood vessel is called a

Accepted Answer

A)   embolus.
B)   plaque.
C)   thrombus.
D)   platelet plug.
E)   fibrin mesh.

Question 3

Which common over the counter drug can decrease blood clotting and thus may be beneficial for preventing aheart attack?

Accepted Answer

A)   cough syrup
B)   anti-histamines
C)   aspirin
D)   acetaminophen
E)   tums

Question 4

In adults, the only site of red blood cell production, and the primary site of white blood cell formation,is the

Accepted Answer

A)   liver.
B)   spleen.
C)   thymus.
D)   red bone marrow.
E)   yellow bone marrow.

Question 5

A plasma protein essential for blood clotting is

Accepted Answer

A)   albumin alpha.
B)   fibrinogen.
C)   immunoglobulin A.
D)   metalloprotein D.
E)   lipoprotein C.

Question 6

In adults, erythropoiesis exclusively takes place in

Accepted Answer

A)   the liver.
B)   yellow bone marrow.
C)   red bone marrow.
D)   the spleen.
E)   lymphoid tissue.

Question 7

Plasma composes about ________ percent of whole blood and water composes ________ percent of the plasmavolume.

Accepted Answer

A)   55; 92
B)   92; 7
C)   92; 55
D)   45; 55
E)   50; 50

Question 8

Eosinophils function in

Accepted Answer

A)   destroying antibody-labeled antigens.
B)   blood coagulation.
C)   production of surface antigens for red blood cells.
D)   antibody production.
E)   production of heparin.

Question 9

A bruise appears as a greenish spot in the skin because

Accepted Answer

A)   hemoglobin has leaked from the blood into the injury and hemoglobin has a green color.
B)   the heme group in the hemoglobin has broken down into biliverdin.
C)   bilirubin from iron recycling has built-up in the bruise.
D)   red blood cells lyse releasing biliverdin from inside.
E)   dead white blood cells accumulate at the site of injury.

Question 10

The function of platelets is to assist in the

Accepted Answer

A)   destruction of bacteria.
B)   process called hemostasis.
C)   removal of worn out red blood cells.
D)   immune response during an infection.
E)   transport of blood gases such as oxygen.

Question 11

Which feature of WBCs makes them particularly important in tissue injury?

Accepted Answer

A)   They undergo aerobic respiration.
B)   They stick to injured blood vessels.
C)   They undergo a fast rate of mitosis.
D)   They can squeeze out through blood vessel walls into tissues.
E)   They carry loads of oxygen.

Question 12

More than 95 percent of the protein in a red blood cell is

Accepted Answer

A)   albumin.
B)   porphyrin.
C)   hemoglobin.
D)   immunoglobulin.
E)   fibrinogen.

Question 13

Which of the following vitamins is needed for the formation of clotting factors?

Accepted Answer

A)   vitamin A
B)   vitamin B
C)   vitamin K
D)   vitamin D
E)   vitamin E

Question 14

Which of these is used clinically to impede or prevent blood clotting?

Accepted Answer

A)   thrombin
B)   heparin
C)   fibrin
D)   tissue factor
E)   prothrombin

Question 15

A sign of thrombocytopenia would be

Accepted Answer

A)   a drop in oxygen-carrying capacity.
B)   allergic reactions.
C)   bacterial infections.
D)   excessive clotting.
E)   bleeding.

Question 16

Which of the following is not a way that red blood cell shape is significant?

Accepted Answer

A)   It gives the red blood cell a large surface area to volume ratio.
B)   It allows fast exchange of gases between the inside of the cell and the plasma.
C)   It enables red blood cells to form stacks.
D)   It allows red blood cells to bend and flex.
E)   It enables red blood cells to phagocytose bacteria.

Question 17

Antigens of the surface of red blood cells are also called ________ and antibodies in the blood plasma arealso called ________.

Accepted Answer

A)   agglutinins; agglutinogens
B)   agglutinogens; agglutinins
C)   T-cells; B-cells
D)   erythrogens; antibiotics
E)   serum; plasma

Question 18

The extrinsic pathway of coagulation is initiated by the

Accepted Answer

A)   sticking of platelets to damaged tissue.
B)   activation of Factor VII exposed to collagen.
C)   release of tissue factor (Factor III)  by damaged endothelium.
D)   release of heparin from the liver.
E)   conversion of prothrombin to thrombin.

Question 19

Which white blood cell is most effective against parasitic infections?

Accepted Answer

A)   neutrophils
B)   eosinophils
C)   basophils
D)   monoctyes
E)   lymphocytes

Question 20

The function of hemoglobin is to

Accepted Answer

A)   carry dissolved blood gases.
B)   carry bicarbonate ion.
C)   aid in the process of blood clotting.
D)   produce antibodies.
E)   stimulate erythropoiesis.

Exam 19: Blood

More than 95 percent of the protein in a red blood cell is

Correct AnswerverifiedShow Answer

In adults, erythropoiesis exclusively takes place in

Correct AnswerverifiedShow Answer

Hormones called ________ are involved in regulation of white blood cell populations.

Correct AnswerverifiedShow Answer

Which feature of WBCs makes them particularly important in tissue injury?

Correct AnswerverifiedShow Answer

A bruise appears as a greenish spot in the skin because

Correct AnswerverifiedShow Answer

Plasma composes about ________ percent of whole blood and water composes ________ percent of the plasmavolume.

Correct AnswerverifiedShow Answer

The extrinsic pathway of coagulation is initiated by the

Correct AnswerverifiedShow Answer

A blood clot attached to the inner surface of a blood vessel is called a

Correct AnswerverifiedShow Answer

A sign of thrombocytopenia would be

Correct AnswerverifiedShow Answer

Eosinophils function in

Correct AnswerverifiedShow Answer

In adults, the only site of red blood cell production, and the primary site of white blood cell formation,is the

Correct AnswerverifiedShow Answer

The function of platelets is to assist in the

Correct AnswerverifiedShow Answer

Which of the following is not a way that red blood cell shape is significant?

Correct AnswerverifiedShow Answer

Which white blood cell is most effective against parasitic infections?

Correct AnswerverifiedShow Answer

The function of hemoglobin is to

Correct AnswerverifiedShow Answer

Which of the following vitamins is needed for the formation of clotting factors?

Correct AnswerverifiedShow Answer

A plasma protein essential for blood clotting is

Correct AnswerverifiedShow Answer

Which of these is used clinically to impede or prevent blood clotting?

Correct AnswerverifiedShow Answer

Which common over the counter drug can decrease blood clotting and thus may be beneficial for preventing aheart attack?

Correct AnswerverifiedShow Answer

Antigens of the surface of red blood cells are also called ________ and antibodies in the blood plasma arealso called ________.

Correct AnswerverifiedShow Answer

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Plasma composes about percent of whole blood and water composes percent of the plasmavolume.

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Antigens of the surface of red blood cells are also called and antibodies in the blood plasma arealso called .

Correct Answer
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