EDITION TEST QUESTIONS WITH CORRECT
ANSWERS AND RATIONALES
◉ parts of the small intestine. Answer: -duodenum
-jejunum
-ileum
◉ small intestine. Answer: carries chyme from the stomach to the
large intestine
◉ ileocecal valve. Answer: controls flow of chyme into the large
intestine
◉ parts of the large intestine. Answer: -ascending colon
-transverse colon
-descending colon
-sigmoid colon
-rectum
-anus
◉ walls of the intestine have four layers. Answer: -mucosa
-submucosa
-muscular layer
-serous (serosa) layer
,◉ layers of the walls of the intestine purposes. Answer: these layers
give support and function to the digestive, absorption, and peristaltic
activity of the bowel.
◉ bowel sounds indicate. Answer: the health state of these tissue
layers and are an important assessment of a patients bowel health and
and overall well-being
◉ small intestine function. Answer: -processes chyme into a more
liquid state
-adds bile from the liver to help break down fats
-villi on the small intestine walls absorbs nutrients
◉ large intestine function. Answer: -absorbs water, sodium, chlorides
-waste material stored until expelled
◉ can an individual live without a large intestine?. Answer: yes,
because the large intestine basically serves as a storage device for
stool.
◉ patients without large intestines have. Answer: ileostomies
◉ peristalsis. Answer: moves chyme and gas through the intestines
(causing bowel sounds)
◉ normal transit time in intestine is. Answer: 18-72 hours
◉ Feces. Answer: Intestinal waste material
, ◉ feces is stored in the sigmoid colon until. Answer: gastrocolic
reflex initiates defecation
◉ defecation is. Answer: under voluntary control and uses the
valsalva manuever
◉ the slower transport allows. Answer: reabsorption of minerals,
electrolytes, and water
◉ the pH continues to. Answer: become more alkaline to neutralize
the acid waste left by the digestive bacteria
◉ the mucus secreted in the large bowel is. Answer: sticky and allows
the feces to form a solid mass
◉ effects of aging on the intestinal tract. Answer: -atrophy of the villi
-decreased abdorption of fats, vitamin B12
-decrease in motility
-bowel habits should not change in the normal healthy individual
◉ normal stool. Answer: -color: light to dark brown
-consistency: soft-formed in children and adults, consists of 1/4 solids
and 3/4 water
-appearance: affected by diet and metabolism
-composition: solid materials consists of 70% undigested roughage
from carbohydrates, fat, protein, and inorganic matter, and 30% dead
bacteria