While working the night shift in the ER, you see a patient who has sustained a collapsed lung. The patient is struggling to breathe. 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 inhalation are the internal intercostals and abdominal muscles.