Question

The reticular activating system is a component of the brainstem involved in: Please choose the correct answer from the following choices, and then select the submit answer button.
1. heartbeat.
2. arousal.
3. transmitting information.
4. equilibrium.

Answer 1

Answer:

Option 2, Arousal

Explanation:

Reticular activating system (RAS) or the  ascending arousal system consists of nuclei and tracts and is involved in the regulation of wakefulness, sleep aspects and arousal.  

RAS is located in the mesopons and interacts with the basal forebrainand thalamocortical systems.  It activates the cerebral cortex and thereby maintain the consiusness. The neurons located at the pontomesencephalic junctionparticipates in this activity of arousal.  

Hence, option 2 is correct