While the Exact Cause of Narcolepsy Is Not Known, Experts

question 69

Multiple Choice

While the exact cause of narcolepsy is not known, experts suspect that it is due to a loss of cells in part of the brain that are responsible for releasing a neurotransmitter called

• A)acetylcholine.
• B)serotonin.
• C)orexin.
• D)glutamate.

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Definitions:

Temperature

A physical quantity that expresses hot and cold, measured on a quantitative scale, it reflects the average kinetic energy of particles in matter.

Pressure

The force exerted per unit area; in the context of gases and liquids, it determines their behavior and properties.

Moles

A unit of measurement used in chemistry to represent a specific amount of substance, based on the number of atoms, molecules, or ions present.

Volumes

Measures of the three-dimensional space a substance (solid, liquid, or gas) occupies or contains, typically expressed in cubic units.