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Quiz: Digestive System
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Questions in this quiz (68)
1The more common term for deglutition is
- Achewing
- Bswallowing
- Cmechanical digestion
- Dvomiting
2Which of the following organs has a mucosal layer that is composed of columnar epithelium with a brush border of microvilli to enhance absorption?
- AEsophagus
- BLarge intestine
- CSmall intestine
- DStomach
3As the food in the stomach is repeatedly squeezed and mixed with gastric juices, it is converted into a semifluid material called:
- Abolus
- Bbile
- Cfeces
- Dchyme
4Hydrochloric acid is released from cells in the:
- Astomach
- Bsmall intestine
- Clarge intestine
- DAll of the above
5The greatest proportion of the tooth shell consists of
- Aenamel
- Bdentin
- Cgingivae
- Dcementum
6The flap of tissue suspended from the midpoint of the posterior border of the soft palate is the
- Afauces
- Bfrenulum
- Cuvula
- Dgingiva
7Which of the following stomach cell types is not correctly matched with its function
- Amucus cells produce mucus
- Bparietal cells produce hydrochloric acid
- Cchief cells produce pepsinogen
- Dendocrine cells produce intrinsic factor
8Bile component essential for emulsification
- Abile salts
- Bbile pigments
- Cbilirubin
- Dall of these
9The disaccharide maltose is made up of
- AGlucose and glucose
- BGlucose and fructose
- CGlucose and galactose
- DNone of the above
10Bile contains all the following substances except:
- Abile salts
- Blecithin
- Camylase
- Dbilirubin
11Triglyceride is also known as:
- Asugar
- Bpolysaccharide
- Cprotein
- Dfat
12The last function of the digestive system is:
- Aelimination
- Babsorption
- Cmotility
- Dsecretion
13Decreased levels of bile salts in bile would interfere with digestion of:
- Aprotein
- Bfat
- Cdisaccharide
- Dcomplex carbohydrate
14Cellulose often remains undigested. It belongs to this group :
- Acarbohydrates
- Bmeat proteins
- Cundigested fats
- Dundigested connective tissue
15The process of fat emulsification consists of
- Achemically breaking down fat molecules
- Bthe secretion of digestive juices for fat digestion
- Cabsorption of fats
- Dbreaking fats into small droplets
16Pancreatic juice contains which of the following:
- Aamylase
- Btrypsin
- Cpeptidase
- Dlipase
- Eall of the above
17Receives food directly from the oral cavity?
- Anasopharynx
- Boropharynx
- Claryngopharynx
- Desophagus
- Estomach
18Which of the following organs is part of the GI tract:
- Ateeth
- Bsalivary gland
- Cliver
- Dgall bladder
- Estomach
19Which of the following is not an anatomical part of the small intestine?
- ADuodenum
- BCecum
- CIleum
- DJejunum
20Which structure helps anchor the tongue to the floor of the mouth?
- APhiltrum
- BPlica fimbriata
- CLingual frenulum
- DFauces
21An incision into the wall of the GI tract would cut, in order, from outside to inside:
- Amucosa, submucosa, muscularis, and serosa
- Bserosa, submucosa, muscularis, and mucosa
- Cserosa, muscularis, submucosa, and mucosa
- Dmuscularis, submucosa, mucosa, and serosa
22The hard palate consists of portions of
- Afour bones: three maxillae and one palatine
- Btwo bones: one maxillae and one palatine
- Cfour bones: two maxillae and two palatines
- Dtwo bones: two palatines
23Which of the following is true about the main organs of the digestive system?
- AThey are involved in chemical digestion only, not mechanical digestion.
- BThey do not produce the enzymes used in digestion; enzymes are produced by associate organs.
- CThey form a tube through the body called the alimentary canal.
- DAll of the above are true of the main organs of digestion.
24The first phase of deglutition or swallowing occurs in the:
- Apharynx
- Blarynx
- Cesophagus
- Doral cavity
25The gastric phase of gastric juice secretion is triggered by
- Asight, thought, smell of food
- Bentry of protein rich foods into stomach
- Centry of chyme into small intestine
- Dentry of chyme into large intestine
26Digestion uses the following methods in this order to accomplish its function.
- AIngestion, absorption, secretion
- BIngestion, secretion, absorption
- CAbsorption, secretion, ingestion
- DAbsorption, ingestion, secretion
27Which of the following protein-digesting enzymes is made in the stomach?
- ATrypsin
- BChymotrypsin
- CPepsin
- DPeptidase
28
Mechanical digestion:- Achewing
- Bperistalsis
- Csegmentation
- Dmotility
- Eall of the above
29Gastric juice contains all the following substances except:
- Aintrinsic factor
- Benterokinase.
- Chydrochloric acid
- Dpepsin
30The contents of the stomach are emptied into the:
- Aduodenum
- Bileum.
- Cjejunum
- Dcecum
31Which layer of the digestive tract is in direct contact with the food consumed:
- Amucosa
- Bmuscularis
- Csubmucosa
- Dserosa
32The cardiac sphincter controls the flow of food into:
- Aesophagus
- Bsmall intestine
- Cstomach
- Dlarge intestine
33Which of the following is true about bile?
- AIt is made in the gallbladder, stored in the gallbladder, and emptied into the duodenum.
- BIt is made in the liver, stored in the gallbladder, and emptied into the stomach.
- CIt is made in the gallbladder, stored in the liver, and emptied into the jejunum.
- DIt is made in the liver, stored in the gallbladder, and emptied into the duodenum.
34Which of the following organs is classified as a dual gland (both exocrine and endocrine)?
- AGallbladder
- BLiver
- CPancreas
- Dboth Gallbladder and Pancreas
35Which of the following is not a digestive enzyme for lipids?
- ABile
- BLipase
- CPhospholipase
- DAll of the above are digestive enzymes for lipids.
36This monosaccharide is found in all three of the most common disaccharides.
- AFructose
- BGlucose
- CGalactose
- DLevulose
37Polysaccharides are hydrolyzed by enzymes known as:
- Alipase
- Bproteases
- Cmaltase
- Damylase
38Digestion of protein begins in the
- Amouth
- Besophagus
- Cstomach
- Dduodenum
- Ejejunum
39The largest gland in the body?
- Apituitary
- Bthyroid
- Cthymus
- Dliver
40Which of the following is not a function of the stomach?
- AIt. serves as a reservoir for storage of food
- BIt destroys pathogenic bacteria
- CIt begins the absorption of proteins
- DAll of the above are functions of the stomach.
41A permanent set of teeth normally consists of [blank_start]32[blank_end] teeth.
- A32
- B26
- C30
- D36
42Which of the following is not a division of the stomach?
- ARugae
- BBody
- CPylorus
- DFundus
43Beginning with the largest structure which of the following is a correct description of the small intestine's adaptation for absorption?
- Avilli, microvilli, plicae
- Bplicae, villi, microvilli
- Cmicrovilli,villi, plicae
- Dmicrovilli, plicae, villi
44A blockage of the ducts from the parotid glands would result in:
- Aincreased secretion of saliva
- Binterference in carbohydrate digestion in mouth
- Celimination of sense of taste
- Delimination of sense of smell
45The disaccharide lactose is made up of which two monosaccharides?
- AGlucose and glucose
- BGlucose and fructose
- CGlucose and galactose
- DNone of the above
46Chemical digestion:
- Aperistalsis
- Bsegmentation
- Cchewing
- Denzymatic hydrolysis
47An enzyme that will digest proteins into peptides:
- Alipase
- Bamylase
- Cnuclease
- Dtrypsin
- Emaltase
48The disaccharide sucrose is made up of which two monosaccharides?
- AGlucose and glucose
- BGlucose and fructose
- CGlucose and galactose
- DNone of the above
49Which phase(s) of gastric secretion is/are stimulated by the sight, taste, and smell of food?
- AIntestinal phase
- BCephalic phase
- CGastric phase
- DAll of the above
50Which of the following structures is anatomically the longest?
- AEsophagus
- BDuodenum
- CJejunum
- DIleum
51Which of the following is not associated with the large intestine?
- APyloric sphincter
- BCecum
- CAppendix
- DTransverse colon
52Which of the following statements is true?
- AThe cystic duct and the pancreatic duct join to form the common bile duct.
- BThe common bile duct is formed by the joining of the cystic duct from the liver and the hepatic duct from the gallbladder.
- CThe pancreatic duct and the hepatic duct join to form the common bile duct.
- DNone of the above is true.
53In the stomach, hydrochloric acid is secreted by the:
- Aa. chief cells
- Bb. parietal cells
- Cc. lymph nodules
- Dd. Both A and B
54As the food in the stomach is repeatedly squeezed and mixed with gastric juices, it is converted into a semifluid material called:
- Abolus
- Bbile
- Cfeces
- Dchyme
55The brush border of the intestinal mucosa consists of:
- Ahair cells
- Bvilli
- Ccilia
- Dmicrovilli
56Segmentation is different from peristalsis because:
- Asegmentation only occurs in the stomach
- Bit is a type of mechanical digestion
- Cit does not move food through the digestive tract
- DThere is no difference between segmentation and peristalsis
57Which of the following is not digested prior to absorption
- Awater
- Bmineral
- Cglucose
- Dfatty acid
- Eall of the above
58An end-product of fat digestion is:
- Aglycerol
- Bglucose
- Cglycogen
- Dgalactose
59The numerous small elevations on the surface of the tongue that support taste buds are called:
- Acilia
- Brugae
- Cvilli
- Dpapillae
60Which of the following is not a function of the liver?
- AProduction of bile
- BSecretion of insulin
- CStorage of iron and vitamins
- DGlycogen synthesis
61Which one of the following is a function of the digestive system:
- Aabsorption of nutrients
- Bfood ingestion
- Celimination of undigested food
- Dall of the above
62Proteins are broken down into peptides by enzymes in:
- Aa. gastric juices
- Bb. pancreatic juices
- Cc. intestinal secretions
- Dd. both A and B
63Carbohydrate digestion begins in the:
- Amouth
- Besophagus
- Cstomach
- Dduodenum
- Eileum
64A major final product of carbohydrate digestion:
- Aglucose
- Bsucrose
- Clactose
- Dmaltose
65Which of these is not an example of mechanical digestion?
- AMoistening the food
- BChanging food from large to small particles
- CPropelling food through the digestive tract
- DAll of the above are examples of mechanical digestion.
66Which of the following is Not an accessory organ of the digestive system?
- Asalivary gland
- Besophagus
- Cpancreas
- Dgall bladder
- Eliver
67The enzyme pepsin begins the digestion of:
- Acarbohydrates
- Bprotein
- Cfat
- Dall of the above
68The oral fissure divides the:
- Aupper lip from the lower lip
- Bcheek muscle from the teeth
- Cright and left sides of the palate
- Dright side of the tongue from the left side of the tongue
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- Description
- Lecture: Digestive System
- Author
- Alexandra Bozan
- Language
- English
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