White Blood Cells

Question 1

which types of white blood cells are of myeloid lineage?

a. natural killer (NK) lymphocytes
b. basophils
c. monocytes
d. eosinophils
e. neutrophils
f. T lymphocytes

Answer 1

b. basophils
c. monocytes
d. eosinophils
e. neutrophils

Question 2

what causes may increase the percentage of young neutrophils in blood?

a. physical activity
b. viral infection
c. emotional exertion
d. bee sting
e. bacterial infection
f. meals

Answer 2

e. bacterial infection

Question 3

which types of cells phagocytose bacteria?

a. natural killer cells
b. neutrophils
c. B lymphocytes
d. basophils
e. macrophages
f. eosinophils

Answer 3

b. neutrophils

e. macrophages

Question 4

anemia may develop in patients with leukemia
because
leukemias originate in bone marrow

Select one:

a. the first statement is correct, the second statement is not correct.
b. both statements are correct and “because” is correct.
c. both statements are correct, but “because” is not correct.
d. the first statement is not correct, the second statement is correct.

Answer 4

b. both statements are correct and “because” is correct.

Question 5

what are the causes of a left shift in neutrophils?

a. acute bacterial inflammation
b. sepsis
c. acute stress
d. influenza infection (the flu)

Answer 5

a. acute bacterial inflammation

Question 6

what pathologic blood changes may be seen in acute lymphocytic leukemia?

a. leukocytosis
b. lymphopenia
c. anemia
d. hypergammaglobulinemia
e. thrombocytopenia

Answer 6

a. leukocytosis
c. anemia
e. thrombocytopenia

Question 7

what factors induce neutrophilic leukocytosis?

a. secretion of IL-1 and TNF-alfa
b. allergic reactions
c. viral infections
d. acute bacterial inflammation
e. helminthosis

Answer 7

a. secretion of IL-1 and TNF-alfa

d. acute bacterial inflammation

Question 8

causes of leukocytopenia:

a. ionizing radiation
b. idiopathic
c. cancer chemotherapy
d. parasitic infections
e. bone marrow neoplasms

Answer 8

a. ionizing radiation
b. idiopathic
c. cancer chemotherapy
e. bone marrow neoplasms

Question 9

pathologic leukocytosis develops:

a. after a myocardial infarction
b. 2-3 hours after a meal (alimentary)
c. during inflammation
d. due to increased IL-3, GM-CSF, M-CSF synthesis and secretion.
e. after physical exertion (myogenic leukocytosis)

Answer 9

a. after a myocardial infarction

c. during inflammation

Question 10

what does the term “shift to the left” mean (when referring to neutrophils)?

a. an increase in mature neutrophils
b. an increase in the ratio of immature to mature neutrophils.
c. an increase in granulocytes
d. an absolute increase of immature neutrophils

Answer 10

b. an increase in the ratio of immature to mature neutrophils.