Which of the Following Explains Why a Patient May Experience

Multiple Choice

Which of the following explains why a patient may experience difficulty breathing during anaphylaxis?

A) Swelling in the brain decreases the respiratory drive.
B) Swelling of the airway tissues causes difficulty breathing.
C) Allergens clump together and block blood flow through the lungs.
D) Allergens bind to hemoglobin, preventing it from carrying oxygen.