The Primary Care NP Examines an Adolescent Who Complains of Severe

The primary care NP examines an adolescent who complains of severe right ear pain for the past 3 days.When retracting the pinna of the right ear to examine the ear,the NP notes erythema,edema,and pain and a large amount of white exudate in the ear canal.The NP should prescribe:

A) benzocaine otic drops tid.
B) ciprofloxacin otic drops qid.
C) glycerin oil drops weekly.
D) acetic acid, boric acid, and isopropyl alcohol solution.