Multiple choice

The intrinsic laryngeal muscles are responsible for maintaining sound production in humans. The movement of which of the following muscles causes abducted vocal folds?

  1. Cricothyroid

  2. Oblique arytenoid

  3. Transverse arytenoid

  4. Lateral cricoarytenoid

  5. Posterior cricoarytenoid

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

Posterior cricoarytenoid muscles abduct and externally rotate the arytenoid cartilages resulting in abducted vocal folds.