Chemotherapy and Toxicology · USMLE Step 1

Which chemotherapy drug class interferes with microtubule function, preventing mitosis by disrupting the mitotic spindle?

  1. Alkylating agents
  2. Antimetabolites
  3. Mitotic inhibitors
  4. Antitumor antibiotics
Show answer and explanation

Correct answer: Mitotic inhibitors

Mitotic inhibitors such as vinca alkaloids bind tubulin and inhibit microtubule assembly, disrupting the mitotic spindle and blocking cell division.

Difficulty: Medium Question 6 of 20

Practice all 20 Chemotherapy and Toxicology questions

Keep practicing

More Chemotherapy and Toxicology questions