Select the ONE answer that is BEST in each question!
Which of the following statements is (are) true of T cells?
Correct!
Wrong!
T cells are
Correct!
Wrong!
A major site of B-lymphocyte localization and proliferation is
Correct!
Wrong!
The percentage of lymphocytes as compared with the other types of leukocytes in the peripheral blood _____ as humans age.
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.
Correct!
Wrong!
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The process of lymphocyte recirculation is important in
Correct!
Wrong!
As a lymphocyte matures, the quantity of cytoplasm _____.
Correct!
Wrong!
The most characteristic morphological features of variant lymphocytes include
Correct!
Wrong!
Which of the following statements is (are) true of B cells?
Correct!
Wrong!
T cells are found in the:
Correct!
Wrong!
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T lymphocytes constitute _____% of the blood lymphocyte pool in adults.
Correct!
Wrong!
NK cells are classified as
Correct!
Wrong!
B cells are
Correct!
Wrong!
Lymphocytes represent approximately _____% of the total circulating leukocytes in adults.
Correct!
Wrong!
An abnormal plasma cell with red-staining cytoplasm is a
Correct!
Wrong!
| 1. 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 |
| 2. A major site of B-lymphocyte localization and proliferation is A. lymphoid follicles B. deep cortical zone C. paracortex D. all of the above |
| 3. 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 |
| 4. T lymphocytes constitute _____% of the blood lymphocyte pool in adults. A. 0–20 B. 20–40 C. 40–60 D. 60–80 |
| 5. Lymphocytes represent approximately _____% of the total circulating leukocytes in adults. A. 15 |
| 6. 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 |
| 7. 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 |
| 8. As a lymphocyte matures, the quantity of cytoplasm _____. A. increases B. decreases C. remains about the same |
| 9. 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 |
| 10. T cells are A. lymphocytes B. monocytes C. helper or suppressor types D. both A and C |
| 11. B cells are A. lymphocytes B. associated with antigen recognition C. found in the thymus and bone marrow D. all of the above |
| 12. NK cells are classified as A. macrophages B. monocytes C. effector lymphocytes D. K-type lymphocytes |
| 13. 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 |
| 14. 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 |
| 15. An abnormal plasma cell with red-staining cytoplasm is a A. Russell body B. Mott cell C. grape cell D. flame cel |
