As You Are Listening to a Lecture, Workers Are Repairing

question 445

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:

Electroencephalograph

A device used to record the electrical activity of the brain, often used in diagnosis and monitoring of disorders such as epilepsy.

Alpha Waves

The relatively slow brain waves of a relaxed, awake state.

Delta Waves

The large, slow brain waves associated with deep sleep.

Circadian Rhythm

The internal biological clock that regulates the sleep-wake cycle and other physiological processes within a roughly 24-hour period.