20

Question 1

1. A definition of a leukemia could include
   A. an overproduction of leukocytes
   B. solid, malignant tumors of the lymph nodes
   C. malignant cells trespassing the blood-brain barrier
   D. both A and C

Answer 1

D. both A and C

Question 2

2. Descriptive terms for most lymphomas can include
   A. a nonneoplastic proliferative disease
   B. a solid malignant tumor of the lymph nodes
   C. a lymphocytopenia
   D. freely trespassing the blood-brain barrier

Answer 2

B. a solid malignant tumor of the lymph nodes

Question 3

3. An acute leukemia can be described as being

A. of short duration with many mature leukocyte forms in the peripheral blood
B. of short duration with many immature leukocyte forms in the peripheral blood
C. of short duration with little alteration of the leukocytes of the peripheral blood
D. of long duration with many mature leukocyte forms in the peripheral blood

Answer 3

B. of short duration with many immature leukocyte forms in the peripheral blood

Question 4

4. A difference between the FAB and WHO staging systems is that
   A. FAB uses molecular information
   B. WHO uses molecular information
   C. FAB only classifies myelogenous leukemias
   D. WHO only classifies lymphoid leukemias

Answer 4

B. WHO uses molecular information

Question 5

5. The etiological agents of leukemias can include
   A. ionizing radiation
   B. certain infectious agents
   C. chemical exposure to benzene
   D. all of the above

Answer 5

D. all of the above

Question 6

6. HIV is associated with

A. hairy cell leukemia
B. Sézary cell syndrome
C. AIDS
D. leukemia

Answer 6

C. AIDS

Question 7

Cancer-predisposing genes may act by

A. affecting the rate at which exogenous precarcinogens are metabolized to actively carcinogenic forms
B. affecting the host’s ability to repair resulting damage to DNA
C. altering the immune system’s ability to recognize and wipe out incipient tumors
D. all of the above

Answer 7

D. all of the above

Question 8

The incidence of leukemia is higher in

A. Scandinavian versus Japanese populations
B. American blacks versus American whites
C. chronic forms in children versus chronic forms in adults
D. acute forms in older adults versus acute forms in children

Answer 8

A. Scandinavian versus Japanese populations