You are called to treat a patient that is worried he is having an allergic reaction to peanuts. When you arrive, the patient is breathing rapidly, but he has no other signs of respiratory distress. With coaching and reassurance the patient is able to breathe at a normal rate. The rest of the exam is unremarkable. The patient is likely experiencing a:

The patient is likely experiencing a  food allergens most commonly associated with anaphylaxis.

Explanation:

The patient is likely experiencing a  food allergens most commonly associated with anaphylaxis and should be treated immediately with epinephrine (adrenaline), typically administered in an auto-injector.

i think that d. wind is the answer.   i missed the question when i answered a. currents.

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.