A confused, lethargic, and nonverbal 50-year-old female has altered mental status. You are told she has a history of chronic obstructive pulmonary disease (COPD). The primary assessment reveals a breathing rate of 6 per minute and cool, clammy skin with cyanosis around the lips. Which of the following should be your next action?
A) Administer a bronchodilator
B) Initiate cardiopulmonary resuscitation (CPR)
C) Administer oxygen therapy
D) Perform a head-to-toe physical examination