When inspecting a patient's eyes, the nurse assesses the presence of cranial nerve III (oculomotor nerve) by observing the eyelids open and close bilaterally. What other technique does a nurse use to test the function of this cranial nerve?
a. Pupillary constriction to light
b. Visual acuity
c. Peripheral vision
d. Presence of the red reflex
ANS: A
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