Nokea
Which change is the first indication of macular degeneration?
- A. The loss of peripheral vision
- B. The loss of central vision
- C. The loss of color discrimination
- D. Eye fatigue
Correct Answer: B
Rationale: Macular degeneration is characterized by the slow loss of central and near vision.
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The nurse takes into consideration that the Weber test indicated a conductive hearing loss in a patient because the patient reported hearing the tone in which way?
- A. equally in both ears.
- B. as a shrill noise.
- C. louder in his affected ear.
- D. very faintly.
Correct Answer: C
Rationale: A conductive hearing loss can be diagnosed by the Weber test. A person with a conductive loss will hear the noise louder in his affected ear.
Which condition may cause conductive hearing loss.
- A. Buildup of cerumen
- B. Foreign bodies
- C. Otosclerosis of external auditory canal
- D. Trauma
- E. Exposure to ototoxic drugs
- F. Otitis media with effusion
Correct Answer: A,B,C,F
Rationale: Common causes of conductive hearing loss are buildup of cerumen and otitis media with effusion (escape of effusion). Other conditions that may result in conductive hearing loss are foreign bodies, otosclerosis, and stenosis of the external auditory canal. Sensorineural hearing loss is usually due to trauma, infectious processes, or exposure to ototoxic drugs.
The nurse clarifies that the difference between a photorefractive keratectomy (PRK) and a laser in-situ keratomileusis (LASIK) is that a LASIK is intended to improve vision in which way?
- A. reshapes the central cornea.
- B. makes partial-thickness radial incisions in the cornea.
- C. removes some internal layers of the cornea.
- D. implants intracorneal rings.
Correct Answer: C
Rationale: The LASIK procedure removes some of the internal layers of the cornea affecting the central zone of vision.
Which may contribute to otitis media?
- A. Exposure to cigarette smoke
- B. Allergies
- C. Upper respiratory infections
- D. Swimming
- E. Trauma
- F. Prolonged exposure to loud noise
Correct Answer: A,B,C
Rationale: Otitis media is usually caused by an upper respiratory infection with gram-negative bacteria, such as Proteus, Klebsiella, and Pseudomonas. In addition, allergy, exposure to cigarette smoke, mycoplasma, and several viruses may be factors.
A patient who had an enucleation of the right eye has been admitted postoperatively to the nursing unit. Which aspect does the nurse expect to see in the plan of care?
- A. Turn, cough, and deep breathe every 3 hours.
- B. Apply a pressure dressing over the right eye socket.
- C. Document dressing Data Collection every 2 hours.
- D. Turn on the affected side.
Correct Answer: B
Rationale: A pressure dressing will be applied to the right eye socket and the dressing should be checked every hour for the first 24 hours.