Which part of the brain is involved in keeping a person awake?
The cerebellum
The amygdala
The reticular activating system
The hypothalamus
The Correct Answer is C
A. The cerebellum is primarily involved in motor control, balance, and coordination rather than regulating wakefulness.
B. The amygdala is involved in emotion regulation, particularly fear and anxiety, rather than maintaining wakefulness.
C. The reticular activating system (RAS) plays a crucial role in maintaining alertness and wakefulness by regulating the sleep-wake cycle and cortical arousal.
D. The hypothalamus plays a role in regulating various autonomic functions and the sleep-wake cycle but is not as directly responsible for maintaining wakefulness as the RAS.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. The suggestion to save more money aligns with the ego's realistic and practical approach to solving problems.
B. This solution represents a compromise, which is typical of the ego's role in mediating between desires and reality.
C. The id operates on the pleasure principle, seeking immediate gratification without considering morality or consequences. Suggesting to take the merchandise without paying exemplifies the id's impulsive nature.
D. The statement about not stealing because of potential consequences aligns with the superego's role in enforcing moral standards and social rules.
Correct Answer is B
Explanation
A. The unconditioned response (UCR) refers to the dog's natural reaction to food, such as salivation, not the food itself.
B. The food is the unconditioned stimulus (UCS) because it naturally and automatically triggers the dog's salivation (the unconditioned response) without prior learning.
C. The conditioned response (CR) refers to a learned response, like salivation to a conditioned stimulus (e.g., a bell).
D. The conditioned stimulus (CS) would be something like the bell that, after association with food, eventually causes salivation.
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