Damage to which of the following muscles would interfere most with the ability to breathe?
A)pterygoid
B)rectus abdominis
C)intercostals
D)platysma
E)digastric

Question

Quizplus · Accepted Answer

The intercostal muscles are responsible for movement of the ribcage during breathing, so damage to these muscles would have the greatest impact on the ability to breathe. The other muscles listed either have no or minimal role in breathing.

Damage to Which of the Following Muscles Would Interfere Most