Nokea
Which teaching instruction should the nurse discuss with students who are on the high school swim team when discussing how to prevent external otitis?
- A. Do not wear tight-fitting swim caps.
- B. Avoid using silicone ear plugs while swimming.
- C. Use a drying agent in the ear after swimming.
- D. Insert a bulb syringe into each ear to remove excess water.
Correct Answer: C
Rationale: A drying agent (e.g., alcohol-based drops) prevents external otitis by removing moisture. Swim caps and ear plugs are protective, and bulb syringes risk trauma.
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The client receives a prescription for sodium fluoride for otosclerosis and asks the nurse, 'What will this medication do for my ears?' Which response by the nurse is correct?
- A. Sodium fluoride prevents the breakdown of bone cells and hardens the bone in the ear.
- B. Sodium fluoride causes the breakdown of bone cells and softens the bone in the ear.
- C. Sodium fluoride blocks the effect of histamine and dries the fluid in the ear.
- D. Sodium fluoride causes the production of histamine and increases the fluid in the ear.
Correct Answer: A
Rationale: The medication, sodium fluoride, retards bone reabsorption (prevents the breakdown of bone cells) and promotes calcification (hardening) of the bony lesions in the ear.
When planning care for a woman with myasthenia gravis, the nurse asks her what time of day she feels strongest. The nurse would expect which of the following replies?
- A. I can wash up and comb my hair before breakfast because I feel best in the morning.'
- B. I only feel good for about an hour after I take my medication.'
- C. I feel strongest in the evening, so I would prefer to take a shower before bedtime.'
- D. I feel best after lunch after I've been moving around a little.'
Correct Answer: A
Rationale: Muscle strength in myasthenia gravis is typically best in the morning, with weakness worsening throughout the day.
The student nurse asks the nurse, 'Which type of hearing loss involves damage to the cochlea or vestibulocochlear nerve?' Which statement is the best response of the nurse?
- A. It is called conductive hearing loss.
- B. It is called a functional hearing loss.
- C. It is called a mixed hearing loss.
- D. It is called sensorineural hearing loss.
Correct Answer: D
Rationale: Sensorineural hearing loss involves cochlear or vestibulocochlear nerve damage. Conductive loss affects the outer/middle ear, functional loss is psychological, and mixed involves both.
The nurse is caring for a client who is very hard of hearing. How should the nurse communicate with this person?
- A. Speak loudly and talk in his better ear
- B. Stand in front of him and speak clearly and distinctly
- C. Yell at him using a high-pitched voice
- D. Write all communication on a note pad or magic slate
Correct Answer: B
Rationale: Standing in front and speaking clearly aids lip-reading and communication for a hard-of-hearing client.
A 68-year-old woman is brought to the emergency room by ambulance. She was found by her husband slumped in her chair and unresponsive. Tentative diagnosis is cerebrovascular accident (CVA). The physician orders a 15% solution of mannitol IV. The nurse knows that this drug is given for what purpose?
- A. To increase urine output
- B. To dissolve clots
- C. To reduce blood pressure
- D. To decrease muscle spasms
Correct Answer: C
Rationale: Mannitol reduces intracranial pressure and blood pressure by promoting diuresis in CVA patients with cerebral edema.