A patient 3 days postoperative from a craniotomy informs the nurse, "I feel something trickling down the back of my throat and I taste something salty." What priority intervention does the nurse initiate?
a. Give the patient some mouthwash to gargle with.
b. Request an antihistamine for the postnasal drip.
c. Ask the patient to cough to observe the sputum color and consistency.
d. Notify the physician of a possible cerebrospinal fluid leak.
