Multiple choice

The abductor muscles compress the lungs during which of the following processes?

  1. Inspiration

  2. Expiration

  3. Convection

  4. Diffusion

  5. Perfusion

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

During the act of expiration, the diaphragm potentially relaxes and the elastic recoil of the lungs, chest wall and abductor muscles compresses the lungs.