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:

Electrode

A conductor through which electricity enters or leaves an object, substance, or region, used especially in energy storage and transfer.

Endosymbiotic Relationship

A symbiosis in which one organism lives inside the other, a relationship thought to have led to the evolution of eukaryotic cells.

Aerobic Bacterium

An aerobic bacterium is a type of bacteria that requires oxygen for its energy production and survival.

Circular Chromosome

A chromosome which forms a closed loop, found predominantly in bacteria and archaea.