An Endorphin Is

question 62

Multiple Choice

An endorphin is

• A)a chemical that affects neuronal function but is not stored in presynaptic vesicles.
• B)an amino acid that operates at inhibitory synapses in the brain.
• C)a neuropeptide that might function as a natural analgesic.
• D)the major inhibitory neurotransmitter of the human brain.

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Definitions:

Midbrain

The part of the brain containing structures that are involved in relaying information between other brain regions and in regulating levels of alertness.

Thalamus

A structure in the forebrain involved in relaying information, especially to the cerebral cortex.

Medulla Oblongata

A section at the lower part of the brainstem controlling vital life functions such as breathing and heart rate.

Auditory Information

Data or knowledge received and processed through the sense of hearing.