Nokea
Which reminder should the nurse provide to the hearing aid wearer when the nurse hears a whistling hearing aid?
- A. Reinsert the ear mold.
- B. Change the battery.
- C. Recharge the hearing aid.
- D. Wash the ear mold with warm water.
Correct Answer: A
Rationale: The whistling hearing aid is usually caused by a poor fit of the ear mold. Reinsertion of the ear mold usually stops the whistling.
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In which way will the nurse explain the purpose of photocoagulation to a diabetic patient with diabetic retinopathy?
- A. The procedure will destroy the retina, which is not getting enough blood supply.
- B. The procedure will reduce edema in the macula of the eye.
- C. The procedure will vaporize fatty deposits that appear in the retina.
- D. The procedure will destroy new blood vessels, seal leaking vessels, and help prevent retinal edema.
Correct Answer: D
Rationale: Photocoagulation is useful in diabetic retinopathy to cauterize hemorrhaging vessels and to destroy new vessels.
Which finding is a sign of acute angle closure glaucoma (AACG)?
- A. Large fixed pupil
- B. Nystagmus
- C. Bluish color in sclera
- D. Drooping eyelid
Correct Answer: A
Rationale: Signs of AACG would be eye pain, large fixed pupil with reddened sclera, decreased vision, nausea, and vomiting.
Which anatomical part is the most interior part of the eye?
- A. Choroid
- B. Cornea
- C. Aqueous humor
- D. Retina
- E. Lens
- F. Iris
Correct Answer: A
Rationale: The cornea is the outermost, followed by the aqueous humor, iris, lens, retina, and the choroid.
The patient tells the nurse that he is legally blind. In which way will this information impact the plan of care for this patient?
- A. The patient would be considered totally blind.
- B. This patient probably has some light perception, but no usable vision.
- C. This patient has some usable vision, which enables function at an acceptable level.
- D. The nurse would need to determine how this patient's visual impairment affects normal functioning.
Correct Answer: D
Rationale: Legal blindness' refers to individuals with a maximum visual acuity of 20/200 with corrective eyewear and/or visual field sight capacity reduced by 20 degrees. Categories have been established to help determine the exact extent of the vision loss and what assistive measures are appropriate for the individual. The nurse will need more information as to the exact extent of the vision loss for this patient.
Which term describes the process when the lens of the eye changes its curvature to focus on the retina?
- A. Accommodation
- B. Constriction
- C. Convergence
- D. Refraction
Correct Answer: A
Rationale: The ability of the lens to alter its curvature as it focuses on the retina is accommodation.