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Chapter 12: Blood

Which biochemical component of the erythrocyte cell surface is primarily responsible for determining blood type (eg, the A-B-O system).

a. Fatty acid

b. Carbohydrate

c. Nucleic acid

d. Protein

e. Cholesterol

What cell in circulating blood is the precursor to microglia and most antigen-presenting cells?

a. Eosinophil

b. Basophil

c. Lymphocyte

d. Monocyte

e. Mast cell

What is the approximate life span of a circulating erythrocyte?

a. 8 days

b. 20 days

c. 5 weeks

d. 4 months

e. 1 year

Which cell type has cytoplasmic granules that contain heparin and histamine?

a. Eosinophils

b. Basophils

c. Lymphocytes

d. Monocytes

e. Neutrophils

A differential cell count of a blood smear from a patient with a parasitic infection is likely to reveal an increase in the circulating numbers of which cell type?

a. Neutrophils

b. Lymphocytes

c. Monocytes

d. Basophils

e. Eosinophils

Which of the following blood cells differentiate outside of the bone marrow?

a. Neutrophils

b. Basophils

c. Eosinophils

d. T lymphocytes

e. Megakaryocytes

Examination of a normal peripheral blood smear reveals a cell more than twice the diameter of an erythrocyte with a kidney-shaped nucleus. There cells are less than 10% of the total leukocytes. Which of the following cell types is being described?

a. Monocyte

b. Basophil

c. Eosinophil

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