Before entering the brain, each optic nerve splits into two branches so that information from the ________ half of each retina crosses to the opposite side of the brain.
A)nasal (medial)
B)temporal (lateral)
C)left (dorsal)
D)right (ventral)

Question

Quizplus · Accepted Answer

The nasal (medial) half of each retina crosses to the opposite side of the brain, while the temporal (lateral) half stays on the same side. This is called the optic chiasm. Therefore, the correct answer is A) nasal (medial).

Before Entering the Brain, Each Optic Nerve Splits into Two