Update your Knowledge with MKSAP 18 Q&A

MKSAP 18MKSAP has been trusted by internists since 1967 as the best resource for updating knowledge. MKSAP 18, available in Complete, Digital, and Print packages, consists of 11 comprehensive text chapters with related multiple-choice questions. You'll find 1,200 completely new questions to help you identify learning gaps, stay current, and gain the knowledge you need to provide the best possible patient care. MKSAP 18's original and high-quality questions evolve out of case studies and patient scenarios based on the latest evidence.

For more information on MKSAP 18, or to order your copy, visit mksap18.acponline.org.


A 52-year-old woman is evaluated for acute onset of right-sided hearing loss that began yesterday. Soon afterward, she also noted a sensation of ear fullness and ringing in the same ear. She has no other focal neurologic symptoms. She reports no rhinorrhea, fever, pharyngitis, or ear pain. Medical history is significant for hypertension. She takes chlorthalidone. She has had no other exposures to medications or supplements.

On physical examination, vital signs are normal. There is decreased hearing in the right ear; the Weber test lateralizes to the left ear, and air conduction is louder than bone conduction bilaterally. The ear canals are unobstructed, and the tympanic membranes are normal appearing. The neurologic examination is unremarkable.

Which of the following is the most likely diagnosis?

A: Meniere disease
B: Otosclerosis
C: Ototoxicity
D: Sudden sensorineural hearing loss

Answer and Critique

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