The pediatric nurse explains to the parents of a comatose child that which structure controls the child's level of consciousness?
A.
Basal ganglia
B.
Brainstem
C.
Central nervous system
D.
Reticular activating system
ANS: D
Level of consciousness is controlled by the reticular activating system and the cerebral hemispheres of the brain. Cognitive cerebral function cannot occur without an active reticular activating system.
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