A drug that inhibits gastrointestinal absorption of drugs, toxins, or chemicals by attracting and holding them to its surface.

Blocking nerve impulse transmission through the parasympathetic nervous system; also called parasympatholytic. Anticholinergic drugs may be used for the treatment of diarrhea or vomiting.

Chemoreceptor Trigger Zone (CRTZ)

An area in the brain that activates the vomiting center when stimulated by toxic substances in the blood

activated by or transmitted through acetylcholine; also called parasympathomimetic. Cholinergic drugs increase activity in the gastrointestinal tract

A preparation for cleansing teeth that is available in a powder, paste, or liquid.

Vomiting of blood (the vomitus often resembles coffee grounds).

Dark or black stools that result from blood staining. Bleeding has occurred in the anterior part of the gastrointestinal tract.

A hormone secreted by cells in the duodenal mucosa that causes contraction of intestinal smooth muscle.

A cell located in the gastric mucosa that secretes hydrochloric acid.

A wave of smooth muscle contraction that passes along a tubular structure (gastrointestinal or other) and moves the contents of that structure forward.

Casting up of undigested or semidigested (ruminant) foodstuff from the esophagus or rumen.

Periodic constriction of segments of the intestine without movement backward or forward; a mixing rather than a propulsive movement.

An area in the medulla that may be stimulated by the chemoreceptor trigger zone, the cerebrum, or peripheral receptors to induce vomiting.

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Chapter 8 -GI System

Question	Answer
Adsorbant	A drug that inhibits gastrointestinal absorption of drugs, toxins, or chemicals by attracting and holding them to its surface.
Anticholinergic	Blocking nerve impulse transmission through the parasympathetic nervous system; also called parasympatholytic. Anticholinergic drugs may be used for the treatment of diarrhea or vomiting.
Chemoreceptor Trigger Zone (CRTZ)	An area in the brain that activates the vomiting center when stimulated by toxic substances in the blood
Cholinergic	activated by or transmitted through acetylcholine; also called parasympathomimetic. Cholinergic drugs increase activity in the gastrointestinal tract
Dentifrice	A preparation for cleansing teeth that is available in a powder, paste, or liquid.
Emesis	The act of vomiting
Hematemesis	Vomiting of blood (the vomitus often resembles coffee grounds).
Melena	Dark or black stools that result from blood staining. Bleeding has occurred in the anterior part of the gastrointestinal tract.
Motilin	A hormone secreted by cells in the duodenal mucosa that causes contraction of intestinal smooth muscle.
Parietal Cell	A cell located in the gastric mucosa that secretes hydrochloric acid.
Peristalsis	A wave of smooth muscle contraction that passes along a tubular structure (gastrointestinal or other) and moves the contents of that structure forward.
Regurgitation	Casting up of undigested or semidigested (ruminant) foodstuff from the esophagus or rumen.
Segmentation	Periodic constriction of segments of the intestine without movement backward or forward; a mixing rather than a propulsive movement.
Vomiting Center	An area in the medulla that may be stimulated by the chemoreceptor trigger zone, the cerebrum, or peripheral receptors to induce vomiting.

Created by: Radicalentity888

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