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The nurse is assessing a client's hearing using the Rinne test. When providing instruction to elicit client feedback, which instruction is essential?
- A. Raise your hand when you hear the vibration.
- B. Raise your hand when you no longer hear sound.
- C. Raise your hand when the vibration exceeds the sound.
- D. Raise your hand when the sound exceeds the vibration.
Correct Answer: B
Rationale: It is essential to provide clear directions on when the client is to notify the nurse of client response. The information gleaned from the response is what the nurse uses to interpret the test. The correct time to induce feedback is when the vibration is heard.
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What is located in the cochlea of the inner ear?
- A. Semicircular canals
- B. Labyrinth
- C. Vestibulocochlear nerve
- D. Organ of Corti
Correct Answer: D
Rationale: The fluid motion created by the vibrating stapes excites the nerve endings in the sensitive sound receptors of the organ of Corti located in the cochlea. The labyrinth is the name for the inner ear, and the semicircular canals and vestibulocochlear nerves are other components of the inner ear.
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.
A client presents to the emergency room with symptoms of blurred vision. Which type of question would be best to ask first?
- A. Have you ever had these symptoms before?
- B. Did these symptoms come on abruptly?
- C. Do you have a family history of vision problems?
- D. Do you have any other diseases?
Correct Answer: A
Rationale: When a client presents with unusual symptoms, a first question assesses if the client has ever had these symptoms before. This prepares a starting place for the assessment. If the client did have these symptoms before, questions regarding the specific nature and similarities of that experience guide the assessment.
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.
The nurse is assessing a client's eyes as part of the inspection part of the assessment process. For which reason does the nurse identify a normal variation in the angle of the lateral and medial canthus?
- A. Ethnic differences
- B. Chromosomal differences
- C. Structural changes
- D. Cosmetic alterations
Correct Answer: A
Rationale: The line between the lateral and medial canthus is usually horizontal. Variations are noted abnormally in children with Down syndrome and normally in individuals of Asian descent. Structural changes and cosmetic variations are not considered normal changes noted on assessment.