After Returning from a Trip to the Tropics,Mr

question 6

Multiple Choice

After returning from a trip to the tropics,Mr.Smith begins to experience flu-like symptoms.The chills and high fever he is experiencing are probably due to:

• A) Bacteria colonizing the large intestines
• B) Protozoa rapidly multiplying and causing red blood cells to rupture
• C) A virus spreading in the central nervous system
• D) A ringworm infection

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Definitions:

Internal Sphincter

A ring of muscle that surrounds and closes a natural bodily passageway, functioning involuntarily.

External Sphincter

A circular muscle that helps control the expulsion of feces from the anal canal or urine from the bladder.

Large Intestine

A part of the digestive system responsible for absorbing water and electrolytes, forming and storing feces.

Interconversion

The process of converting one form of a substance or energy into another form.