Which part of the brain is involved in controlling sleep?
The reticular activating system
The thalamus
The pons
The amygdala
The Correct Answer is C
A. The reticular activating system (RAS) is involved in wakefulness and arousal, not directly in controlling sleep.
B. The thalamus plays a role in sensory processing, not primarily in controlling sleep.
C. The pons plays a critical role in sleep regulation, particularly in the stages of REM sleep.
D. The amygdala is primarily involved in emotion processing, not sleep regulation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. A phobia of speaking in public can be characterized as a classically conditioned behavior. This is because phobias often develop when a neutral stimulus, such as public speaking, is paired with a negative experience, leading to a conditioned fear response.
B. A visually learned behavior involves acquiring skills or information through visual observation, which is not directly related to the development of phobias.
C. An operantly conditioned behavior is one that is learned through reinforcement or punishment. While it plays a role in some behavioral responses, it is less directly involved in the formation of phobias than classical conditioning.
D. A kinesthetically learned behavior involves learning through physical activities or movements, which is not applicable to the development of a phobia of speaking in public.
Correct Answer is A
Explanation
A. The thalamus acts as a relay station for sensory information going to the cortex.
B. While the thalamus links sensory pathways, its primary function is not to serve as a link between nervous system parts.
C. The thalamus is not directly involved in inducing sleep; the hypothalamus plays a more significant role in sleep regulation.
D. The cerebellum, not the thalamus, controls balance and movement.
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