Chapter 18: test

Question 1

Antibodies belong to a class of plasma proteins called...
A. albumins
B. gamma globulins
C. alpha globulins
D. procoagulants
E. agglutinins

Answer 1

B. gamma globulins

Question 2

Serum is blood plasma minus its
A. sodium ions
B. calcium ions
C. clotting proteins
D. globulins
E. albumin

Answer 2

C. clotting proteins

Question 3

Which of the following conditions is most likely to cause hemolytic anemia?
A. folic acid deficiency
B. iron deficiency
C. mushroom poisoning 
D. alcoholism
E. hypoxemia

Answer 3

C. mushroom poisoning

Question 4

It is impossible for a type O+ baby to have a type \_\_\_\_ mother.
A. AB-
B. O-
C. O+
D. A+
E. B+

Answer 4

A. AB-

Question 5

Which of the following is not a component of hemostasis?
A. platelet plug formation
B. agglutination
C. clot retraction
D. a vascular spasm
E. degranulation

Answer 5

B. agglutination

Question 6

Which of the following contributes most to the viscosity of blood?
A. albumin
B. sodium
C. globulins
D. erythrocytes
E. fibrin

Answer 6

D. erythrocytes

Question 7

Which of these is a granulocyte?
A. a monocyte
B. a lymphocyte
C. a macrophage
D. an eosinophil
E. an erythrocyte

Answer 7

D. an eosinophil

Question 8

Excess iron is stored in the liver as a complex called
A. gastroferritin
B. transferrin
C. ferritin
D. hepatoferritin
E. erythroprotein

Answer 8

C. ferritin

Question 9

Pernicious anemia is a result of
A. hypoxemia
B. iron deficiency
C. malaria
D. lack of intrinsic factor
E. Rh incompatibility

Answer 9

D. lack of intrinsic factor

Question 10

The first clotting factor that the intrinsic and extrinsic pathways have in common is
A. thromboplastin
B. Hageman factor
C. factor X
D. prothrombin activator
E. factor VII

Answer 10

C. factor X

Question 11

By volume, blood usually contains more plasma than blood cells. T or F.

Answer 11

T

Question 12

An increase in the albumin concentration of the blood would tend to increase blood pressure. T or F.

Answer 12

T

Question 13

Anemia is caused by a low oxygen concentration in the blood. T or F.

Answer 13

F=

Oxygen deficiency is the result of anemia, not its cause.

Question 14

Hemostasis, coagulation and clotting are 3 terms for the same process. T or F.

Answer 14

F=

Clotting is one mechanism of hemostasis, but hemostasis includes others. Agglutination is unrelated to either of these.

Question 15

A man with blood type A+ and a woman with blood type B+ could have a baby with type O. T or F.

Answer 15

T

Question 16

Lymphocytes are the most abundant WBCs in the blood. T or F.

Answer 16

F=

The most abundant WBCs are neutrophils.

Question 17

Calcium ions are required for blood clotting. T or F

Answer 17

T

Question 18

All formed elements of the blood come ultimately from pluripotent stem cells. T or F.

Answer 18

T

Question 19

When RBCs die and break down, the globin moiety of hemoglobin is excreted and the heme is recycled to new RBCs. T or F.

Answer 19

F=

The heme is excreted; the globin is broken down into a.a. that can be reused.

Question 20

Leukemia is a severe deficiency of WBCs. T or F.

Answer 20

F=

In leukemia, there is an excess of WBCs. A WBC deficiency is leukopenia.