Which midbrain dysfunction causes pupils to be pinpoint size and fixed in position?
A)Diencephalon dysfunction
B)Oculomotor cranial nerve dysfunction
C)Dysfunction of the tectum
D)Pontine dysfunction

Question

Quizplus · Accepted Answer

Pinpoint fixed pupils are a result of pontine dysfunction. The diencephalon is not related to pupillary function. Occulomotor nerve dysfunction would result in abnormalities in eye movement. Dysfunction of the tectum results in large, dilated pupils.

Which Midbrain Dysfunction Causes Pupils to Be Pinpoint Size and Fixed