Which of the following provides evidence that a patient is using accessory muscles to breathe?
A) The patient is using his diaphragm with inspiration.
B) The patient's lips are pursed.
C) There is noticeable contraction of the intercostal muscles.
D) The patient is sitting up, leaning forward to breathe.

Question

Quizplus · Accepted Answer

Noticeable contraction of the intercostal muscles is an indication that the patient is using accessory muscles to breathe. The diaphragm is the primary muscle used during breathing, while pursed lips and sitting up may be indicative of respiratory distress, but not necessarily the use of accessory muscles.

Which of the Following Provides Evidence That a Patient Is