Lymphocytes and Plasma Cells

The percentage of lymphocytes as compared with the other types of leukocytes in the peripheral blood _____ as humans age.

A. increases

B. decreases

C. remains the same

Correct! Wrong!

Lymphocytes represent approximately _____% of the total circulating leukocytes in adults.

A. 15

B. 35

C. 55

D. 75

Correct! Wrong!

T lymphocytes constitute _____% of the blood lymphocyte pool in adults.

A. 0–20

B. 20–40

C. 40–60

D. 60–80

Correct! Wrong!

The process of lymphocyte recirculation is important in

A. antibody production

B. lymphocyte proliferation

C. dissemination of antigen-sensitized memory cells

D. commitment of lymphocytes to T and B cells

Correct! Wrong!

NK cells are classified as

A. macrophages

B. monocytes

C. effector lymphocytes

D. K-type lymphocytes

Correct! Wrong!

T cells are

A. lymphocytes

B. monocytes

C. helper or suppressor types

D. both A and C

Correct! Wrong!

An abnormal plasma cell with red-staining cytoplasm is a

A. Russell body

B. Mott cell

C. grape cell

D. flame cel

Correct! Wrong!

B cells are

A. lymphocytes

B. associated with antigen recognition

C. found in the thymus and bone marrow

D. all of the above

Correct! Wrong!

If a patient has a total leukocyte count of 20 × 109/L and a 50% lymphocyte count on the differential count, the absolute lymphocyte value is _____ × 109/L.

A. 1

B. 5

C. 10

D. 15

Correct! Wrong!

As a lymphocyte matures, the quantity of cytoplasm _____.

A. increases

B. decreases

C. remains about the same

Correct! Wrong!

A major site of B-lymphocyte localization and proliferation is

A. lymphoid follicles

B. deep cortical zone

C. paracortex

D. all of the above

Correct! Wrong!

T cells are found in the:

A. perifollicular areas of the lymph nodes

B. paracortex regions of the lymph nodes

C. periarteriolar regions of the spleen

D. all of the above

Correct! Wrong!

Which of the following statements is (are) true of B cells?

A. Responsible for antibody responses

B. Protect against intracellular pathogens

C. Responsible for chronic rejection in transplantation

D. Both A and B

Correct! Wrong!

Which of the following statements is (are) true of T cells?

A. Responsible for humoral responses

B. Responsible for cellular immune responses

C. Responsible for chronic rejection in organ transplantation

D. Both B and C

Correct! Wrong!

The most characteristic morphological features of variant lymphocytes include

A. increased overall size, possibly one to three nucleoli, and abundant cytoplasm

B. increased overall size, round nucleus, and increased granulation in the cytoplasm

C. segmented nucleus, light-blue cytoplasm, and no nucleoli

D. enlarged nucleus, six to eight nucleoli, and dark-blue cytoplasm

Correct! Wrong!

Lymphocytes and Plasma Cells

The percentage of lymphocytes as compared with the other types of leukocytes in the peripheral blood _____ as humans age.

Lymphocytes represent approximately _____% of the total circulating leukocytes in adults.

T lymphocytes constitute _____% of the blood lymphocyte pool in adults.

The process of lymphocyte recirculation is important in

NK cells are classified as

T cells are

An abnormal plasma cell with red-staining cytoplasm is a

B cells are

If a patient has a total leukocyte count of 20 × 109/L and a 50% lymphocyte count on the differential count, the absolute lymphocyte value is _____ × 109/L.

As a lymphocyte matures, the quantity of cytoplasm _____.

A major site of B-lymphocyte localization and proliferation is

T cells are found in the:

Which of the following statements is (are) true of B cells?

Which of the following statements is (are) true of T cells?

The most characteristic morphological features of variant lymphocytes include

Related

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Nonmalignant Disorders of Granulocytes and Monocytes

Nonmalignant Lymphocytic Disorders

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