A nurse is preparing a client for a tympanometry test to evaluate middle ear function. Which instruction should the nurse provide to the client before the procedure?

• 1 Remove all hearing aids and jewelry from the ears 2 hours before the test
• 2 Avoid eating or drinking for 4 hours prior to the procedure
• 3 Remain still and avoid talking, swallowing, or moving during the test ✓ 정답
• 4 Take prescribed pain medication 30 minutes before the procedure

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