While working the night shift in the ER, you see a patient who
has sustained a collapsed lung. The patient is struggling to
breath. Which muscles would you see the patient using to
inhale?
a. The accessory muscles for inhalation are the scalenes and
abdominal muscles.
b. The accessory muscles for inhalation are the internal
intercostals, scalenes, and pectoralis minor.
c. The accessory muscles for inhalation are the external
intercostals, sternocleidomastoid, scalenes, and pectoralis
minor.
d. The accessory muscles for...