The nurse is caring for a patient who needs education on his medication therapy for allergic rhinitis. The patient is to take cromolyn (Nasalcrom) daily. In providing education for this patient, how should the nurse describe the action of the medication?
A) It inhibits the release of histamine and other chemicals.
B) It inhibits the action of proton pumps.
C) It inhibits the action of the sodium-potassium pump in the nasal epithelium.
D) It causes bronchodilation and relaxes smooth muscle in the bronchi.
Ans: A
Feedback:
Cromolyn (Nasalcrom) inhibits the release of histamine and other chemicals. It is prescribed to treat allergic rhinitis. Beta-adrenergic agents lead to bronchodilation and stimulate beta-2 adrenergic receptors in the smooth muscle of the bronchi and bronchioles. It does not affect proton pump action or the sodium-potassium pump in the nasal cells.
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