An emergency medical technician is examining a trauma victim by shining a pen light into her patient's eye.She records the reactivity of the patents pupils as they constrict when stimulated by the light.This test supports which of the following?
A) The patient has suffered brain damage.
B) The patient has function of the trochlear nerve (IV).
C) The patient has lost function of the optic nerve (II).
D) The patient has function of the oculomotor nerve (III).

Question

Quizplus · Accepted Answer

The test described is assessing the function of the oculomotor nerve (III), which controls the constriction of the pupil in response to light stimulation. The fact that the patient's pupils are reactive to the pen light suggests that the oculomotor nerve (III) is functioning properly. Choices A, B, and C are not supported by the information provided in the scenario.

An Emergency Medical Technician Is Examining a Trauma Victim by Shining