Maria often sleeps soundly and rarely awakens to any outside noise. However, the cries of Maria's baby can awaken her immediately. What part of the brain is responsible for this reaction?
A) reticular formation
B) medulla
C) pons
D) cerebellum

Question

Quizplus · Accepted Answer

The reticular formation is responsible for arousal and the ability to focus attention. It filters incoming sensory information and can activate the brain in response to important stimuli, such as a crying baby.

Maria Often Sleeps Soundly and Rarely Awakens to Any Outside