A Substance That Nullifies the Intended Action of an Administered

question 14

Multiple Choice

A substance that nullifies the intended action of an administered drug is call a(n)

• A) stabilizer.
• B) antagonist.
• C) protagonist.
• D) catalyst.

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Definitions:

Pepsinogen

An inactive precursor to pepsin, a digestive enzyme that breaks down proteins in the stomach.

Peristaltic Contractions

Wave-like muscle contractions that occur in tubular structures of the body, such as the digestive tract, to move contents forward.

Large Intestine

A part of the gastrointestinal tract involved in water absorption and the formation of feces.

Mass Movements

The large-scale motions within the colon or large intestine involved in the transport of fecal material towards the rectum.