Question

question 73 (0.5 points)
which is an accessory muscle of forced inhalation?
external intercostal
internal intercostal

Explanation:

Forced inhalation involves accessory muscles. The external intercostal muscles are involved in normal inhalation and also act as accessory muscles for forced inhalation (they help expand the ribcage further). Internal intercostal muscles are mainly for forced exhalation. So the accessory muscle of forced inhalation among the options is External intercostal.

Answer:

External intercostal (the option labeled "External intercostal")