Multiple choice

Which of the following respiratory sounds is/are caused by a narrowed or obstructed airway?

  1. Stridor

  2. Pleural rub

  3. Crackles

  4. Rhonchi

  5. Wheezing

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

Stridor is an abnormal high-pitched breathing sound that is produced 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.