The nurse is assessing a patient's cranial nerve III. What technique is best?
a. Have patient identify a common scent with closed eyes.
b. Shine a light into the patient's eyes to assess pupil response.
c. Have the patient read a newspaper or use the Snellen chart.
d. Assess if patient can hear both spoken and whispered words.
ANS: B
Cranial nerve III (oculomotor nerve) is assessed by observing the patient's pupil size and reaction to light and the direction of gaze. Identifying a common scent would test cranial nerve I. Assessing the patient's visual acuity tests cranial nerve II. Assessing hearing is cranial nerve VIII.
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