Question text

If your son is diagnosed with hemophilia, he would have

Select one:

a. a disorder of the clotting process.

b. an infection of the blood.

c. an increased erythrocyte count.

d. a type of cancer affecting white blood cells.

e. an antigen-antibody reaction.

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What vitamin is necessary to produce many clotting factors in the liver?

Select one:

a. vitamin C

b. vitamin K

c. vitamin D

d. vitamin B3

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A severely dehydrated patient begins to experience the formation of random

blood clots. Why is this happening?

Select one:

a. Dehydration collapses the capillaries and exposes collagen which triggers the

extrinsic mechanism of coagulation

b. Dehydration stimulates vasospasms which in turn lead to clot formation

c. Dehydration leads to a concentration of clotting factors which triggers the

extrinsic mechanism of coagulation

d. Dehydration leads to a concentration of clotting factors which triggers the

intrinsic mechanism of coagulation

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Which of the following events is one of the three main stages of coagulation?

Select one:

a. conversion of fibrinogen to fibrin

b. platelet aggregation

c. conversion of thrombin to prothrombin

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d. platelet plug formation

e. calcium is released

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Lymphocytes

Select one:

a. are the largest of the leukocytes.

b. migrate to lymphatic tissue.

c. produce histamine.

d. release heparin.

e. are phagocytic.

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What may be affected if the enzyme carbonic anhydrase was not made in the

body?

Select one:

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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Fibrinolysis is responsible for

Select one:

a. activation of the intrinsic pathway of coagulation.

b. activation of the extrinsic pathway of coagulation.

c. clot retraction.

d. clot dissolution.

e. clot consolidation.

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Each hemoglobin molecule

Select one:

a. has one heme group.

b. contains two polypeptide chains.

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c. transports four oxygen molecules.

d. has two iron atoms and two globin chains.

e. transports one oxygen molecule.

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When large quantities of blood are lost, erythrocytes must be replaced to restore

Select one:

a. the body's ability to fight infection.

b. oxygen-carrying capacity.

c. thrombin levels.

d. normal blood pH.

e. iron levels.

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An increased amount of heparin in the blood might

Select one:

a. speed up the clotting process.

b. prevent clotting process.

c. helps to coagulate the blood.

d. enhance the clotting process.

e. have no effect on the clotting process.

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In the extrinsic pathway, damaged tissues release

Select one:

a. activated factor V.

b. calcium.

c. factor VII.

d. thromboplastin (tissue factor III)

e. factor XII.

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If a blood buffer is absent, what function of the blood would be compromised?

Select one:

a. maintenance of body temperature

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b. regulation of pH

c. clot formaiton

d. transport of ions

e. protection against foreign substances

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Mike has blood type A. He needs blood, however blood type A is not available.

The next best choice would be blood type _______.

Select one:

a. AB

b. B

c. O

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In adults, red blood cells are made in one place, spend most of their lifespan in

another, and most are finally destroyed in yet another place. Which choice lists

these locations in the correct chronological order?

Select one:

a. bone marrow; blood vessels; spleen

b. bone marrow; spleen; blood vessels

c. spleen; blood vessels; spleen

d. blood vessels; spleen; bone marrow

e. spleen; blood vessels; bone marrow

Question text

What type of gene expression occurs when a person has type AB blood?

Select one:

a. homozygous dominant

b. homozygous recessive

c. incomplete dominance

d. codominance

Question text

Which type of material is NOT transported by the blood?

Select one:

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