Injections of the Serotonin Precursor,5-Hydroxytryptophan

question 33

Multiple Choice

Injections of the serotonin precursor,5-hydroxytryptophan,

• A) reverse the insomnia produced in cats or rats by the serotonin antagonist PCPA.
• B) reverse the sleep increases produced in mice by PCPA.
• C) are effective in the treatment of human insomnia.
• D) are effective in the treatment of human hypersomnia.
• E) reverse the increases in delta sleep produced in volunteers by sleep reduction.

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