MCAT Biology Question 116: Answer and Explanation

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Question: 116

11. Lymphoma is cancer of the cells of the lymphoid lineage. These cells often reside within lymph nodes. What type of cell is NOT likely to cause a lymphoma?

A. CD8⁺ T-cells
B. B-cells
C. Macrophages
D. T_h1 cells

Correct Answer: C

Explanation:

Lymphocytes arise from the lymphoid lineage, which includes B-cells and T-cells. Thus, all types of B- and T-cells are capable of causing lymphoma. Macrophages, however, are not lymphocytes and are not likely to cause lymphoma.

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