Although Various Drugs Have Various Actions and Effects Throughout the Central

question 103

Multiple Choice

Although various drugs have various actions and effects throughout the central nervous system,what effect appears to be common across virtually all abused drugs

• A) They are all deactivated in the synapse by acetylcholinesterase. 
• B) They eventually increase activity in the mesolimbic dopamine pathway, which is important for the experience of reward. 
• C) They all lead to a suppression of activity in the prefrontal cortex, which makes it more likely that an individual will become physiologically dependent. 
• D) They each have an inhibitory effect on GABA.

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Definitions:

Commercial Explosive

Materials or chemicals used in the construction and mining industries, among others, to demolish or move materials through controlled explosions.

Dynamite

An explosive made of nitroglycerin, sorbents (like silica), and stabilizers, invented by Alfred Nobel and used in mining and construction.

Nonvolatile Solute

A solute that does not easily vaporize into gas under existing conditions, typically leading to an increase in the boiling point of the solvent when dissolved.

Solvent

A substance, usually a liquid, capable of dissolving other substances (solutes) to form a solution.