Which of the following can activate the arousal system?
A) motor activity
B) afferent sensory input
C) intense excitement
D) afferent sensory input and intense excitement
E) all of these

Question

Quizplus · Accepted Answer

All of these options can activate the arousal system. Motor activity can increase levels of alertness and wakefulness, afferent sensory input (such as sights, sounds, and smells) can activate the brainstem and increase arousal, and intense excitement can stimulate the release of neurotransmitters like dopamine and norepinephrine that promote wakefulness and alertness.

Which of the Following Can Activate the Arousal System