Isaac Has Had Insomnia for Six Months and When He

question 160

Multiple Choice

Isaac has had insomnia for six months and when he goes in for his regular check-up,he asks his family doctor if there is something that can be prescribed to help him fall asleep.If his doctor does prescribe a medication,what is it most likely to be

• A) barbiturate 
• B) amphetamine 
• C) narcotic 
• D) hallucinogen

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Definitions:

Volcanic Dome

A dome-shaped volcanic feature, largely composed of solidified lava of felsic to intermediate composition.

Caldera

A large volcanic depression that is typically circular to elongate in shape and formed by collapse of a magma chamber.

Volcanic Mudflow

A rapid flow of volcanic ash mixed with water, often melting snow or glaciers, that moves down the slopes of a volcano, also known as a lahar.

Pyroclastic Column

A vertical column of volcanic ash and gas ejected into the atmosphere during an explosive volcanic eruption.