Of the Following Neurotransmitters, Which Plays the LEAST Role in the Development

question 42

Multiple Choice

Of the following neurotransmitters, which plays the LEAST role in the development of mood disorder symptoms?

• A) serotonin
• B) endorphins
• C) dopamine
• D) norepinephrine

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Definitions:

Incomplete Digestive Tract

A type of digestive system where a single opening serves as both mouth and anus, common in simpler organisms like cnidarians and flatworms.

Trachea

In insects, air tube located between the spiracles and the tracheoles. In tetrapod vertebrates, air tube (windpipe) that runs between the larynx and the bronchi.

Cephalothorax

A body region found in certain arthropods, including spiders and crustaceans, that combines the head and the thorax into one unit.

Fangs

Long, pointed teeth typically found in venomous snakes used to inject venom, or in some mammals for grasping and tearing.