A nurse is teaching a class about physiological changes to hearing in older adult clients. Which of the following should the nurse include?

Choice A reason: This is incorrect because using sign language when communicating with the client is not an appropriate action for the nurse to take. Sign language is a form of communication that uses hand gestures, facial expressions, and body movements. It is not a universal language and requires training and practice. The nurse should not assume that the client knows or prefers sign language unless they have indicated so.

Choice B reason: This is incorrect because speaking loudly and into the client's good ear is not an appropriate action for the nurse to take. Speaking loudly can distort the sound quality and cause discomfort or irritation to the client. Speaking into the client's good ear can also create a sense of imbalance and isolation. The nurse should speak at a normal volume and tone, and face the client directly.

Choice C reason: This is the correct answer because speaking directly to the client in a normal, clear voice is an appropriate action for the nurse to take. Speaking directly to the client can help them see the nurse's mouth movements and facial expressions, which can enhance understanding and communication. Speaking in a normal, clear voice can help convey the message clearly and respectfully.

Choice D reason: This is incorrect because sitting by the client's side and speaking very slowly is not an appropriate action for the nurse to take. Sitting by the client's side can make it difficult for them to see the nurse's face and hear their voice. Speaking very slowly can also make the message unclear and patronizing. The nurse should sit in front of the client and speak at a normal pace.

Choice A Reason: This is incorrect because Ménière's disease is not caused by an allergic response. Ménière's disease is a disorder of the inner ear that causes vertigo, tinnitus, hearing loss, and a feeling of fullness in the ear. The exact cause of Ménière's disease is unknown, but it may be related to fluid imbalance, infection, trauma, or autoimmune reaction.

Choice B Reason: This is correct because diphenhydramine can help offset the nauseous feeling. Diphenhydramine is an antihistamine that blocks histamine receptors in the brain and inner ear, which can reduce nausea and vomiting associated with vertigo.

Choice C Reason: This is correct because anticholinergics will help you rest. Anticholinergics are a class of drugs that block acetylcholine receptors in the brain and body, which can have sedative effects and reduce motion sickness. Diphenhydramine has anticholinergic properties.

Choice D Reason: This is correct because diphenhydramine can help reduce vomiting episodes. As mentioned above, diphenhydramine can reduce nausea and vomiting by blocking histamine receptors in the brain and inner ear.