Mackenzie was in a car accident, and when she hit her head the ascending fibers in her reticular activating system were damaged. With this type of injury, it is likely that Mackenzie will
A) no longer experience REM sleep.
B) be in a continuous sleep state.
C) not be able to sleep for more than a few minutes at a time.
D) no longer experience Stage 2 or Stage 3 sleep.

Question

Quizplus · Accepted Answer

The reticular activating system is responsible for regulating wakefulness and sleep-wake transitions. Damage to its ascending fibers can lead to a continuous sleep state or coma.

Mackenzie Was in a Car Accident, and When She Hit