Methamphetamine Increases the Release of Dopamine from an Axon's Terminal

question 60

Multiple Choice

Methamphetamine increases the release of dopamine from an axon's terminal button. Curare blocks the release of acetylcholine. Methamphetamine is a dopamine ______; curare is an acetylcholine ______.

• A)antagonist; agonist
• B)exciter; inhibitor
• C)agonist; antagonist
• D)inhibitor; exciter

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Definitions:

Greater Concentration

Refers to a higher amount of a substance in a specific volume of solution or mixture when compared to another concentration.

Diffusion

The process by which molecules move from an area of higher concentration to an area of lower concentration, leading to an equal distribution.

Oil-immersion Lens

A type of microscope objective lens used with a drop of oil to increase resolution by reducing light refraction.

Coarse Focus Knob

A control on a microscope that allows the user to make large adjustments in focus, moving the objective lens closer to or further from the specimen.