Immune System – Section 1

6. What type of B cell remains dormant in the body, but can respond rapidly if the same antigen appears again?

A. T cells
B. Memory cells
C. Plasma cells
D. Macrophages

Correct Answer: B. Memory cells

7. The maturation of T cells and the production of particular T cell receptors occurs in the

A. thyroid gland
B. thymus gland
C. testes
D. all of these

Correct Answer: B. thymus gland

8. Which of the following provide specific defense against viruses and bacteria?

A. T cells
B. B cells
C. Complement
D. inflammation

Correct Answer: B. B cells

9. Which of these is a type of specific defense against pathogens?

A. Lymphocytes
B. Macrophages
C. Phagocytes
D. Leukocytes

Correct Answer: A. Lymphocytes

10. In animals, blood clots serve the function of

A. consuming invading organisms
B. helping them match the background coloration of the habitat
C. stimulating production of killer T lymphocytes
D. repairing damage to the body wall

Correct Answer: D. repairing damage to the body wall

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