Inflammation and repair · USMLE Step 1

Which of the following is one of the cardinal signs of acute inflammation?

  1. Metaplasia
  2. Hyperplasia
  3. Rubor (redness)
  4. Dysplasia
Show answer and explanation

Correct answer: Rubor (redness)

Rubor (redness) is one of the classic cardinal signs of acute inflammation, resulting from vasodilation and increased blood flow to the affected area.

Difficulty: Medium Question 1 of 22

Practice all 22 Inflammation and repair questions

Keep practicing

More Inflammation and repair questions