NUR 2090 - GI UNIT EXAM QUESTIONS AND
ANSWERS WIT COMPLETE SOLUTIONS VERIFIED
SMALL INTESTINE CONSISTS OF
the duodenum, jejunum, ileum (final section)
Large intestine consists of
cecum, ascending colon, transverse colon, descending colon, sigmoid colon, rectum
Segmentation
alternating contraction and relaxation of the smooth muscle of the intestine - mixes
chyme
Peristalsis
Involuntary waves of muscle contraction that keep food moving along in one direction
through the digestive system.
autonomic nervous system affects
affects rate of intestinal motility
sympathetic nutrition
slows peristalsis and delays passage - "fight or flight"
parasympathetic nutrition
increases bowel movement; "rest and digest"
absorption
duodenum and jejunem absorb:
nutrients, electrolytes
Ileum absorbs...
, vitamins, iron, fluid
defecation
elimination of feces
normal feces
brown, soft
normal feces frequency
1-2/day
why is feces brown?
chemical conversion of bilirubin
older adults have less frequent
defecations
Laxative abuse is common in the elderly because
gi and bowel movements decrease
Colostomy
segment of colon made to make the stoma
Ileostomy
creation of an artificial opening into the ileum
Ileal-anal anastomosis
J pouch
Constipation is considered fewer than ____ BMs per week
3
fecal impaction
accumulation of hardened feces in rectum, unable to voluntarily evacuate stool.
ANSWERS WIT COMPLETE SOLUTIONS VERIFIED
SMALL INTESTINE CONSISTS OF
the duodenum, jejunum, ileum (final section)
Large intestine consists of
cecum, ascending colon, transverse colon, descending colon, sigmoid colon, rectum
Segmentation
alternating contraction and relaxation of the smooth muscle of the intestine - mixes
chyme
Peristalsis
Involuntary waves of muscle contraction that keep food moving along in one direction
through the digestive system.
autonomic nervous system affects
affects rate of intestinal motility
sympathetic nutrition
slows peristalsis and delays passage - "fight or flight"
parasympathetic nutrition
increases bowel movement; "rest and digest"
absorption
duodenum and jejunem absorb:
nutrients, electrolytes
Ileum absorbs...
, vitamins, iron, fluid
defecation
elimination of feces
normal feces
brown, soft
normal feces frequency
1-2/day
why is feces brown?
chemical conversion of bilirubin
older adults have less frequent
defecations
Laxative abuse is common in the elderly because
gi and bowel movements decrease
Colostomy
segment of colon made to make the stoma
Ileostomy
creation of an artificial opening into the ileum
Ileal-anal anastomosis
J pouch
Constipation is considered fewer than ____ BMs per week
3
fecal impaction
accumulation of hardened feces in rectum, unable to voluntarily evacuate stool.
