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The nurse is assisting the client in planning care during exacerbations of M?©ni?¨re disease. Which diet would the nurse identify as appropriate at this time?
- A. A high-protein diet
- B. A low-sodium diet
- C. A low-fat diet
- D. A calorie-controlled diet
Correct Answer: B
Rationale: Treatment for M?©ni?¨re disease is related to reducing fluid production in the inner ear, facilitating its drainage, and treating the symptoms that accompany the attack. A low-sodium and sodium-free diet lessens edema.
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A nursing instructor is teaching pre-nursing students in a pathophysiology class. What would the instructor teach the students about M?©ni?¨re disease?
- A. It is referred to as endolymphatic hydrops.
- B. It originates in the middle ear.
- C. It is referred to as lymphatic hydrops.
- D. It originates in the outer ear.
Correct Answer: A
Rationale: When a person moves the head, the endolymph also moves, and nerve receptors within the membranous labyrinth send signals to the brain about the movement. In M?©ni?¨re disease, an increase in endolymph causes the membranous labyrinth to dilate like a balloon; this is referred to as endolymphatic hydrops. M?©ni?¨re disease does not originate in either the middle or the outer ear, and it is not referred to as lymphatic hydrops.
The nurse is instructing a client on the benefits of a cochlear implant. The client asks, 'How am I able to interpret sound?' The nurse credits which of the following as significant in the production of hearing?
- A. External microphone
- B. Internal processor
- C. Amplifier
- D. Auditory nerve
Correct Answer: D
Rationale: The nurse credits stimulation of the auditory nerve in the transmission of the electrical signals to the brain for interpretation. The external processor and internal processor bring the sounds from the environment and send them to the internal processor, which converts to the electrical signal. An amplifier is used with typical hearing aids.
The nurse on a cruise ship is assessing clients for motion sickness. Which is a common misconception regarding motion sickness?
- A. Repeated motion is the cause.
- B. Once symptoms occur, they will always be present.
- C. Medications help the symptoms.
- D. Pallor and diaphoresis is a first symptom.
Correct Answer: B
Rationale: When the client experiences motion sickness, the client will use that data to avoid further symptoms in the future. The client can use medication, change location or position, and recognize symptoms earlier for symptom management. The other options are correct and teachable statements.
Which nursing suggestion would be most helpful to the client with recurrent otitis externa?
- A. Use a cotton applicator to ensure that the ear canal is dry.
- B. Place ear plugs into the ears before swimming
- C. Flush the ear with hydrogen peroxide
- D. Avoid lying on the side of the affected ear
Correct Answer: B
Rationale: The nurse instructs the client to carry out the medical treatment and provides health teaching to prevent recurrence. For example, the nurse advises swimmers to wear soft plastic ear plugs to prevent trapping water in the ear. A cotton tip applicator should not be placed into the ear canal because it could perforate the eardrum. Above all, the nurse advises the client to avoid the use of nonprescription remedies unless they have been approved by the physician and to contact the physician if symptoms are not relieved in a few days.
The nurse is caring for a client with symptoms of ototoxicity from aminoglycoside administration. On which structure does the medication produce the ototoxic effect?
- A. The auditory canal
- B. The eighth cranial nerve
- C. The tympanic membrane
- D. The cochlear nerve
Correct Answer: B
Rationale: Ototoxicity describes the detrimental effect of aminoglycosides on the eighth cranial nerve. Signs and symptoms include tinnitus and sensorineural bearing. The other options are not related to the ototoxic effects.