Multiple choice

Which among the following respiratory sounds is caused by a narrowed or obstructed airway?

  1. Wheezing

  2. Stridor

  3. Crackles

  4. Rhonchi

  5. Pleural rub

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Stridor is a high-pitched breathing sound resulting from turbulent air flow in the larynx or lower in the bronchial tree. Stridor is a physical sign which is caused by a narrowed or obstructed airway.