Regarding Its Role as a Neurotransmitter in the CNS, Norepinephrine

question 69

Multiple Choice

Regarding its role as a neurotransmitter in the CNS, norepinephrine

• A) is secreted by brainstem neurons in response to sensory stimulation.
• B) amplifies weak sensory signals and dampens strong ones so that more information can reach conscious levels.
• C) is important for maintaining directed attention.
• D) both "is secreted by brainstem neurons in response to sensory stimulation" and "is important for maintaining directed attention" are correct.
• E) All of the choices are correct.

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