Multiple Choice
Which of these is a function of the thalamus?
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12. The Central Nervous System
Introduction to the Central Nervous System
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Which of the following is true of the reticular activating system?
A
It is responsible for regulating the sleep-wake cycle and consciousness.
B
It is primarily involved in processing visual information.
C
It is a part of the limbic system involved in emotional responses.
D
It is located in the cerebellum and coordinates voluntary movements.
Verified step by step guidance1
Begin by identifying the reticular activating system (RAS) and its primary functions within the brain.
Understand that the RAS is a network of neurons located in the brainstem, specifically in the reticular formation.
Recognize that the RAS plays a crucial role in regulating the sleep-wake cycle and maintaining consciousness, which is essential for alertness and attention.
Differentiate the RAS from other brain systems, such as the limbic system, which is involved in emotional responses, and the cerebellum, which coordinates voluntary movements.
Conclude that the statement 'It is responsible for regulating the sleep-wake cycle and consciousness' is true regarding the reticular activating system.
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