A Neurotransmitter Involved in Sending Messages Between Neurons and the Brain

question 60

Multiple Choice

A neurotransmitter involved in sending messages between neurons and the brain that is found in abnormal levels in people with ADHD is

• A)histamine.
• B)dopamine.
• C)dexadrine.
• D)caladrine.

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Definitions:

Anion

A particle with one or more units of negative charge, such as a chloride ion (Cl-) or hydroxide ion (OH-). Compare with cation.

Isotopes

Atoms of the same element that differ in the number of neutrons within their nuclei.

Ions

Atoms or molecules that have gained or lost one or more electrons, thus acquiring a charge.

Acid

A substance that is a hydrogen ion (proton) donor; acids unite with bases to form salts. Compare with base.