Drug Resistance Mechanisms · Pharmacology

Which of the following best describes cross-resistance?

  1. Resistance to drugs from structurally unrelated classes
  2. Resistance to multiple drugs within the same class
  3. Temporary tolerance to a drug during therapy
  4. Resistance arising from poor patient compliance
Show answer and explanation

Correct answer: Resistance to multiple drugs within the same class

Cross-resistance occurs when resistance to one drug confers resistance to others within the same class, often due to shared targets or mechanisms.

Difficulty: Medium Question 13 of 20

Practice all 20 Drug Resistance Mechanisms questions

Keep practicing

More Drug Resistance Mechanisms questions