Review Question - QID 220712

A 22-year-old woman presents to urgent care with a 1-hour history of shortness of breath. She was hiking when she suddenly felt unable to breathe and had to take slow deep breaths to improve her symptoms. She sometimes had shortness of breath as a child but that the symptoms always went away on their own. Her medical history is significant for seasonal allergies, for which she takes over-the-counter medications as needed. Her temperature is 99.5°F (37.5°C), blood pressure is 127/68 mmHg, ...