A broad region where gray matter and white matter show a netlike arrangement in the brain stem and the inferior part of the diencephalon, and whose function is to influence muscle tone and to cause arousal from sleep are collectively referred to as the
A) reticular formation
B) medial lemniscus
C) cerebral peduncles
D) cerebellar peduncles

Question

Quizplus · Accepted Answer

The reticular formation is a set of interconnected nuclei that are located throughout the brainstem. It is involved in various functions including regulating the sleep-wake cycle, filtering incoming stimuli to discriminate irrelevant background stimuli, and maintaining alertness and consciousness. It influences muscle tone and is crucial for causing arousal from sleep, fitting the description provided.

A Broad Region Where Gray Matter and White Matter Show