The nurse is assessing cranial nerves 3, 4 and 6 (oculomotor, trochlear and abducens). Which technique might the nurse use to assess all three in one technique?
Use an ophthalmoscope to view the optic disc and retina.
Have the client move his eyes in the 6 cardinal fields of gaze.
Use a tuning fork to see if the client can sense vibration on the closed eyelids bilaterally.
Have the client turn his head to track the nurse's hand movement as it makes a 360 curve around the client's head.
The Correct Answer is B
Choice A reason: Ophthalmoscopy checks cranial nerve II (optic), not III, IV, or VI. It visualizes the retina, missing the eye movement control these nerves govern, making it irrelevant to their motor function assessment entirely here fully.
Choice B reason: The 6 cardinal fields test cranial nerves III (eye movement, pupil), IV (superior oblique), and VI (lateral rectus). This single technique evaluates all three by tracking coordinated eye motion, making it the most efficient method accurately here.
Choice C reason: Vibration on eyelids tests sensation, possibly cranial nerve V, not III, IV, or VI. These nerves control eye movement, not sensory input, excluding this from assessing their motor roles in this neurological exam fully here.
Choice D reason: Head turning with hand tracking involves neck muscles and possibly cranial nerve XI, not just III, IV, VI. This dilutes focus on eye-specific movements, making it less precise for these cranial nerves’ assessment entirely here.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: BPH, a benign growth, doesn’t increase prostate cancer risk; they’re distinct conditions. This reassures the client factually, addressing his fear directly with evidence, making it the most appropriate and supportive response in this context accurately.
Choice B reason: Testicular self-exams check testes, not prostate. This misdirects from BPH and prostate cancer concerns, offering irrelevant advice that fails to address the client’s specific fear about his diagnosis and its implications entirely here fully.
Choice C reason: Prostate cancer isn’t rare at 53; incidence rises with age. This false reassurance dismisses real risk, undermining trust and education, making it less appropriate than clarifying BPH’s non-link to cancer in this scenario comprehensively here.
Choice D reason: While true, prostate cancer’s slow growth doesn’t address BPH’s relation to it. This generic statement misses the client’s core fear about BPH as a risk factor, rendering it less targeted than the direct clarification fully here.
Correct Answer is A
Explanation
Choice A reason: Turning the head against resistance assesses neck muscles, not the temporomandibular joint (TMJ), which hinges the jaw. TMJ evaluation requires jaw-specific movements, not cervical rotation, indicating a misunderstanding of TMJ anatomy and function, misaligning with headache assessment needs.
Choice B reason: Opening the mouth wide while fingers are placed near the ear directly tests TMJ range of motion and joint integrity. This is a standard technique to detect dysfunction or pain, correctly targeting the jaw’s articulation point relevant to headaches.
Choice C reason: Moving the jaw side to side evaluates TMJ lateral excursion, a key diagnostic motion. Pain reporting during this action helps identify joint issues tied to chronic headaches, making it an appropriate and precise instruction for TMJ assessment.
Choice D reason: Pushing out and pulling in the jaw tests TMJ protrusion and retraction, critical for assessing joint stability and sounds like popping, which may link to headache etiology. This instruction correctly focuses on TMJ mechanics and symptoms.
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