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Digestive System Quiz
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Questions in this quiz (25)
1The oral phase of swallowing is under __________ control and the pharyngo-esophageal phase is __________.
- Acentral nervous system; also controlled by the central nervous system
- Bcentral nervous system; controlled by autonomic reflexes
- Cautonomic nervous system; controlled by autonomic reflexes
- Dvoluntary; also voluntary
- Einvoluntary; also involuntary
2The large intestine is longer than the small intestine.
- ATrue
- BFalse
3Acid reflux into the esophagus ("heartburn") is normally prevented by __________.
- Apharyngeal constrictors
- Bthe upper esophageal sphincter
- Cthe lower esophageal sphincter (LES)
- Desophageal glands
- Epharyngeal and buccal sphincters
4Which of the following is not a component of the pancreatic juice?
- ATrypsinogen
- BChymotrypsinogen
- CDeoxyribonuclease
- DSodium bicarbonate
- EEnterokinase
5Odor, sight, and taste stimulate salivatory nuclei in the cerebral cortex.
- ATrue
- BFalse
6Which of the following nutrients is absorbed by the lacteals of the small intestine?
- ATriglycerides
- BAmino acids
- CGlucose
- DMinerals
- EWater-soluble vitamins
7The small intestine is suspended from the abdominal wall by the ___________.
- Afalciform ligament
- Bmesentery
- Cgreater omentum
- Dlesser omentum
- Eesophageal hiatus
8The __________ gland is an extrinsic salivary gland, whereas the __________ gland is an intrinsic salivary gland.
- Alingual; labial
- Bsubmandibular; lingual
- Csubmandibular; sublingual
- Dsublingual; parotid
- Elingual; sublingual
9Which of the following is not an accessory organ of digestion?
- ATongue
- BLiver
- CPancreas
- DSalivary glands
- ESpleen
10The __________ regulates the flow of contents from the stomach to the duodenum.
- Agastric rugae
- Bantrum
- Cpyloric sphincter
- Dfundic region
- Ecardiac region
11The enterogastric reflex serves to __________.
- Arelax the stomach in preparation for swallowed food
- Bstimulate acid and enzyme secretion when food enters the stomach
- Cstimulate intestinal motility when there is food in the stomach
- Dinhibit gastric motility when there is chyme in the small intestine
- Erelax the ileocecal valve when chyme is on its way to the colon
12Lipids are transported to the surface of the intestinal absorptive cells by __________, and are then processed into __________.
- Afat droplets; micelles
- Bfat droplets; chylomicrons
- Cmicelles; fat globules
- Dmicelles; chylomicrons
- Efat globules; micelles
13Which of the following is not a process carried out by bacterial flora?
- ADigestion of most of the proteins we get in the diet
- BSynthesis of vitamin K
- CProduction of some of the gases found in flatus
- DDigestion of cellulose
- EFormation of part of the feces
14The __________ regulates digestive tract motility, secretion, and blood flow. Its neurons are found in the __________.
- Aautonomic nervous system; serosa
- Bcentral nervous system; muscularis externa and muscularis mucosae
- Centeric nervous system; submucosa and muscularis externa
- Dvisceral sensory division; muscularis externa and submucosa
- Evisceral motor division; mucosa and submucosa
15The liver is the body's largest gland.
- ATrue
- BFalse
16Which of the following is not normally found in saliva?
- AMucus
- BLysozyme
- CAmylase
- DLipase
- EProtease
17The muscle tone of the __________ along the colon contracts it lengthwise, causing its walls to bulge and form pouches called __________.
- Acircular folds; ceca
- Btaeniae coli; haustra
- Chaustra; taeniae coli
- Dinternal sphincters; omental (epiploic) appendages
- Einternal sphincters; ceca
18Chylomicrons are secreted from the basal surface of the absorptive cells and taken into the lacteal in the villus.
- ATrue
- BFalse
19The serous membranes that suspend the stomach and intestines from the abdominal wall are called __________.
- Amesenteries
- Bmucosae
- Csubmucosae
- Dmuscularis mucosae
- Emuscularis externa
20Amino acids and monosaccharides are absorbed in the __________, and fatty acids are absorbed in the __________.
- Asmall intestine; large intestine
- Bsmall intestine; liver
- Cstomach; small intestine
- Dstomach; large intestine
- Esmall intestine; small intestine
21Which of the following statements is true regarding the sodium-glucose transport protein (SGLT)?
- AIt is a uniport carrier.
- BIt is an antiport carrier.
- CIt uses solvent drag to transport glucose and sodium.
- DIt transports glucose and sodium from the intestinal lumen into the epithelial cells.
- EIt transports glucose from the intestinal lumen into the epithelial cells, and sodium in the opposite direction.
22The enzyme that catalyzes the first step reaction in HCl production by gastric parietal cells is called __________.
- Acarbonic acid
- Bcarbonic anhydrase
- Cdipeptidase
- Dprotease
- EATPase
23The small intestine begins with the duodenum, which is its longest segment.
- ATrue
- BFalse
24Which of the following is true regarding the difference between the mucosa of the small and large intestines?
- AThey both have villi, but only the small intestine has microvilli.
- BThe small intestine has deeper intestinal crypts than the large intestine.
- CThe small intestine has simple columnar epithelium and the large intestine does not.
- DIntestinal crypts are only found in the large intestine.
- EThe large intestine has larger circular folds than the small intestine.
25Which of the following is not associated with the large absorptive surface of the small intestine?0-2013
- ACircular folds (plicae circulares)
- BIntestinal length
- CMicrovilli
- DVilli
- ERugae
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- Anatomy and Physiology (Digestive System) Quiz on Digestive System Quiz, created by Taneka Dunn on 14/08/2018.
- Author
- Taneka Dunn
- Language
- English
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