The nurse is taking care of a client who has been in the intensive care unit (ICU) for 10 days. Which nursing action would cause a decrease in stimulation of the reticular activating system?
1. Keeping the door closed and the lights dim
2. Assisting with bathing and activities for elimination
3. Allowing family members, including children, to visit
4. Turning on the television
Correct Answer: 1
Rationale 1: Stimulation of the reticular formation causes heightened alertness and arousal of the brain as a whole. Inhibition causes general drowsiness and the induction of sleep. The RAS is responsible for sleeping and wakefulness, and it performs an alerting function for the cerebral cortex.
Rationale 2: Movement needed for bathing would increase stimulation.
Rationale 3: Allowing visitors would increase stimulation.
Rationale 4: Turning on the TV would increase stimulation.
Global Rationale: Stimulation of the reticular formation causes heightened alertness and arousal of the brain as a whole. Inhibition causes general drowsiness and the induction of sleep. The RAS is responsible for sleeping and wakefulness, and it performs an alerting function for the cerebral cortex. Movement needed for bathing would increase stimulation. Allowing visitors would increase stimulation. Turning on the TV would increase stimulation.
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