Digestive HW Flashcards
The terminal inch of the rectum is called the:
Anal canal
Fistula
Anus
sigmoid
Anal canal
Which phase(s) of gastric secretion is(are) stimulated by the sight, taste, and smell of food?
Intestinal phase
Cephalic phase
Gastric phase
All of these
cephalic phase
The principal enzyme of saliva is:
protease
amylase
lipase
salivase
amylase
Which step of deglutition is under voluntary control?
Oral stage
Pharyngeal stage
Esophageal stage
Gastric phase
oral stage
Liquefied food found in the stomach is called:
gastric peptide.
chyme.
lipase
salivase
chyme
The movement of lower colon and rectum contents at a rate slower than normal can cause:
defecation
constipation
diarrhea
both b and c
constipation
The act of swallowing moves a mass of food, called a , from the mouth to the stomach.
dentin
bolus
fauces
philtrum
bolus
The purpose of peristalsis is to
Break apart chunks of food and mix it in digestive juices
Propel food forward along the GI tract
Absorb food
Enable swallowing
propel food forward along the GI tract
Villi are important modifications of the __________ layer of the small intestine.
mucosal
parietal
muscular
visceral
mucosal
The terms gastrointestinal tract and are often used synonymously.
mesentary
alimentary canal
mesocolon
serosa
alimentary canal
Which hormone decreases peristalsis and slows the passage of food from the stomach to the duodenum?
cholecystokinin (CCK)
gastric inhibitory peptide (GIP)
secretin
gastrin
gastric inhibitory peptide (GIP)
deepest to superficial, hat is the layers of the wall of the GI tract ?
mucosa, submucosa, serosa, muscularis.
submucosa, mucosa, muscularis, serosa.
mucosa, submucosa, muscularis, serosa
submucosa, serosa, muscularis, mucosa.
mucosa, submucosa, muscularis, serosa
Which of the following is not a function of the pancreas?
It produces digestive enzymes.
It produces insulin
It produces bile
All of these are functions of the pancreas
it produces bile
All of the following are classified as accessory organs of the digestive system except the
tongue
mouth
liver
pancreas
mouth
Microvilli can be found in the
stomach
small intestine
large intestine
Both small intestine and large intestine are correct
small intestine
Which part of the stomach actually lies above the entrance of the esophagus?
Fundus
Pylorus
Body
Lesser curvature
fundus
Deglutition is the process of:
swallowing
chewing
absorption
chemical digestion.
swallowing
Which controls the opening of the stomach into the small intestine?
pylorus
cardiac sphincter
duodenal bulb
pyloric sphincter
pyloric sphincter
The enzyme pepsin begins the digestion of
carbohydrates
protein
fat
nucleic acids
proteins
Each villus in the intestine contains a lymphatic vessel, or _____, that absorbs lipid or fat materials from the chyme.
plica
lacteal
villa
microvill
lacteal
The longest portion of the small intestine is the
duodenum
ileum
jejunum
colon
ileum
The hormone that stimulates the gallbladder to release bile is:
enterogastrone
insulin
gastrin
cholecystokinin
cholecystokinin
Which of the following is not a function of the liver?
Detoxification
Secretion of insulin
Storage of iron and vitamins
Production of bile
secretion of insulin
Surgical removal of the gallbladder is referred to as
cholelithiasis
cholecystitis
cholecystectomy
choledochorrhaphy
cholecystectomy
The correct order of small intestine divisions, starting proximal to the stomach, is:
ileum, duodenum, jejunum.
duodenum, ileum, jejunum.
duodenum, jejunum, ileum
ileum, jejunum, duodenum.
duodenum, jejunum, ileum
