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.

---

Definitions:

Octopi

Cephalopod mollusks with eight arms, known for their intelligence, ability to camouflage, and complex behavior.

Intelligent Behavior

Intelligent behavior refers to actions or responses that show an understanding, reasoning, learning, and adaptation to complex situations.

Prosencephalon

The embryonic structure that develops into the forebrain, encompassing regions responsible for complex cognitive, sensory, and motor functions.

Front Brain

Refers to the frontal lobes of the brain, responsible for executive functions such as decision-making, planning, social behavior, and impulse control.