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BOWEL ELIMINATION & THE GI TRACT
Transcript of BOWEL ELIMINATION & THE GI TRACT
Retention - keeping within the body materials normally excreted
The mechanisms causing the retention are usually associated with obstructions, inflammation, or ineffective neuromuscular activation withing the GI tract
Elimination should be free of discomfort
Risk factors - conditions that result in
ELIMINATION & MOTILITY
Elimination - the excretion of waste products via skin, lungs, kidneys, & intestines
Bowel elimination - the passage of stool through the intestinal tract and dispelling the stool by means of intestinal smooth muscle contraction
Another term related to bowel elimination - defecation
Others terms for bowel movement - stool, feces, BM
OVER VIEW OF A&P OF THE GI TRACT
Continence - purposeful control of fecal elimination
Incontinence - loss of control arising from undeveloped elimination mechanism, malfunction of elimination mechanisms, alterations in cognition
FACTORS THAT AFFECT BOWEL ELIMINATION
Personal & social factors
Surgery & procedures
Normal patterns of defecation
From several times per day to once per week (as long as the person passes stool without excessive urgency and minimal effort)
When fecal mater reaches the rectum, stretch receptors stimulate contraction of the sigmoid colon, the anal sphincter relaxes, signaling the CNS to produce a consious urge to defecate