TNI Chapter 46 Bowel Elimination Exam Questions
– GI Tract Anatomy, Digestion Process & Intestinal
Function, nursing study guide
series of hollow mucous membrane - lined muscular organs
GI tract
Where does digestion begin?
- Where does digestion end?
- digestion begins in the mouth
- digestion ends in the small intestine
What 3 tasks does the stomach perform?
- stores swallowed food and liquid
- mixes food, liquid, and digestive juices
- empties its contents into the small intestine.
What facilitates digestion and absorption?
- segmentation and peristaltic movement in the small intestine
What are the 3 sections of the small intestine?
- duodenum
- jejunum
- ileum
What is the lower GI tract called?
large intestine
large intestine vs small intestine size
the large intestine is shorter but much wider than the small intestine
intestine that is divided into the cecum, colon, and rectum
large intestine
primary organ of bowel elimination
large intestine
, normally a soft, formed mass
chyme
If peristalsis is abnormally fast, there is less time for water to be absorbed, and the stool is
watery. If peristaltic contractions slow, water continues to be absorbed, and a hard mass of stool
forms, resulting in constipation.
digestion begins with mastication
mouth
Peristalsis moves food into stomach
esophagus
stores food; mixes food, liquid, and digestive juices; moves food into small intestines
stomach
Duodendum, jejunum, and ileum
small intestine
the primary organ of bowel elimination
large intestine
expels feces and flatus from the rectum
anus
exerts pressure to expel feces through voluntary contraction of the abdominal muscles while
maintaining forced expiration against a closed airway.
Valsalva maneuver
Factors affecting bowel elimination:
Age
Diet
Fluid intake
Physical activity
Psychological factors Personal habits
Position during defecation Pain
Pregnancy
Surgery and anesthesia
– GI Tract Anatomy, Digestion Process & Intestinal
Function, nursing study guide
series of hollow mucous membrane - lined muscular organs
GI tract
Where does digestion begin?
- Where does digestion end?
- digestion begins in the mouth
- digestion ends in the small intestine
What 3 tasks does the stomach perform?
- stores swallowed food and liquid
- mixes food, liquid, and digestive juices
- empties its contents into the small intestine.
What facilitates digestion and absorption?
- segmentation and peristaltic movement in the small intestine
What are the 3 sections of the small intestine?
- duodenum
- jejunum
- ileum
What is the lower GI tract called?
large intestine
large intestine vs small intestine size
the large intestine is shorter but much wider than the small intestine
intestine that is divided into the cecum, colon, and rectum
large intestine
primary organ of bowel elimination
large intestine
, normally a soft, formed mass
chyme
If peristalsis is abnormally fast, there is less time for water to be absorbed, and the stool is
watery. If peristaltic contractions slow, water continues to be absorbed, and a hard mass of stool
forms, resulting in constipation.
digestion begins with mastication
mouth
Peristalsis moves food into stomach
esophagus
stores food; mixes food, liquid, and digestive juices; moves food into small intestines
stomach
Duodendum, jejunum, and ileum
small intestine
the primary organ of bowel elimination
large intestine
expels feces and flatus from the rectum
anus
exerts pressure to expel feces through voluntary contraction of the abdominal muscles while
maintaining forced expiration against a closed airway.
Valsalva maneuver
Factors affecting bowel elimination:
Age
Diet
Fluid intake
Physical activity
Psychological factors Personal habits
Position during defecation Pain
Pregnancy
Surgery and anesthesia
