As You Are Listening to a Lecture, Workers Are Repairing

question 91

Multiple Choice

As you are listening to a lecture, workers are repairing a wall just outside your classroom. Throughout the class, you find yourself coughing and sneezing because of the dust and fumes in the air. Which brain structure controls such vital reflexes as sneezing, coughing, and swallowing?

• A)the corpus callosum
• B)the cerebellum
• C)the medulla
• D)the thalamus

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Definitions:

Condensed Structural Formula

A method of representing the molecules of a compound using lines for bonds and showing the arrangement of connected atoms, but omitting bonding hydrogen atoms.

Methylbutane

An organic compound also known as isopentane, a type of alkane with the formula C5H12.

Dimethylpropane

A branched alkane with the formula C5H12, also known as isopentane, a component of some fuels.

Methyloctane

A type of hydrocarbon compound characterized by its chemical structure that includes an octane backbone with a methyl group attached.