Chemotherapy and Toxicology · USMLE Step 1

Which organ system is especially vulnerable to toxic effects of chemotherapy due to high turnover of cells and drug metabolism?

  1. Cardiac and vascular tissue
  2. Bone marrow and gut mucosa
  3. Skeletal muscle fibers
  4. Adipose (fat) tissue
Show answer and explanation

Correct answer: Bone marrow and gut mucosa

High-turnover tissues like bone marrow, GI mucosa, and hair follicles are most affected by chemotherapy-induced cytotoxicity and cause side effects such as myelosuppression, mucositis, and alopecia.

Difficulty: Medium Question 11 of 20

Practice all 20 Chemotherapy and Toxicology questions

Keep practicing

More Chemotherapy and Toxicology questions