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Audiometry is testing that measures hearing acuity precisely. Who does the nurse know can perform audiometric testing?
- A. School nurse
- B. Hearing aide salesperson
- C. Audiologist
- D. Office nurse
Correct Answer: C
Rationale: Audiometry is done by an audiologist. Audiometric testing measures hearing acuity precisely. The other options can screen hearing, but they cannot do audiometric testing.
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The nurse is caring for a client with increased fluid accumulation in the eye. When assessing the client, which structure within the eye is noted to drain fluid from the anterior chamber?
- A. Fovea centralis
- B. Canthus
- C. Canal of Schlemm
- D. Choroid
Correct Answer: C
Rationale: The canal of Schlemm drains the anterior chamber of the eye. By draining the fluid, it decreases the fluid amount and pressure in the eye. The other options have no draining ability.
The nurse is collecting the history of a client diagnosed with a cataract and is performing a focused assessment. Which finding should the nurse anticipate?
- A. A burning sensation and the sensation of an object in the eye
- B. Blurred or cloudy vision
- C. Inability to produce sufficient tears
- D. A swollen lacrimal caruncle
Correct Answer: B
Rationale: When a cataract forms, the light is blocked from reaching the macula and the visual image becomes blurred or cloudy. The client does not experience any burning or the sensation of an object in the eye, an inability to produce sufficient tears, or a swollen lacrimal caruncle.
The nurse is obtaining a history on a client stating the inability to read the newspaper and seeing detail when looking at an image. Which assessment test would add additional data for a diagnosis?
- A. Assess if the pupils are equal and reactive to light.
- B. Assess vision on the Snellen chart.
- C. Assess peripheral vision.
- D. Assess color vision.
Correct Answer: C
Rationale: The client states symptoms of the inability to discriminate letters, words, and details of an image, indicating the degeneration of the macula. If the macula is damaged, the client will only have the ability to see movement and gross objects in the peripheral fields. Assessing the peripheral vision will add essential information. The other visual tests are not as important at this time.
The nurse is assisting the eye surgeon in completing an examination of a client's eye. Which piece of equipment would the nurse provide to the surgeon to examine the optic disc under magnification?
- A. Retinoscope
- B. Ophthalmoscope
- C. #NAME?
- D. Amsler grid
Correct Answer: B
Rationale: The nurse is correct to provide an ophthalmoscope to the surgeon for examination of the optic disc. A retinoscope is used to determine errors in refraction. A tonometer measures intraocular pressure. An Amsler grid tests for problems with the macula.
The nurse is instructing a nursing student when a new client comes to the eye clinic. The client reports suspecting a corneal abrasion. The nurse should explain what to the student nurse?
- A. To detect corneal abrasions, an ophthalmoscope is used.
- B. To detect corneal abrasions, ultrasonography is used.
- C. To detect corneal abrasions, a slit lamp is used.
- D. To detect corneal abrasions, retinal angiography is used.
Correct Answer: C
Rationale: A slit lamp is a binocular microscope that magnifies the surface of the eye. A beam of light, narrowed to a slit, is directed at the cornea, facilitating an examination of structures and fluid in the anterior segment of the eye. This examination is used to identify disorders such as corneal abrasions, iritis, conjunctivitis, and cataracts. The other options are not used to detect corneal abrasions.