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Quiz: Digestive System

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Lecture: Digestive System
Alexandra Bozan
Quiz by Alexandra Bozan, updated more than 1 year ago
Alexandra Bozan
Created by Alexandra Bozan about 8 years ago
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Question 1

Question
The more common term for deglutition is
Answer
  • chewing
  • swallowing
  • mechanical digestion
  • vomiting

Question 2

Question
Which of the following organs has a mucosal layer that is composed of columnar epithelium with a brush border of microvilli to enhance absorption?
Answer
  • Esophagus
  • Large intestine
  • Small intestine
  • Stomach

Question 3

Question
As the food in the stomach is repeatedly squeezed and mixed with gastric juices, it is converted into a semifluid material called:
Answer
  • bolus
  • bile
  • feces
  • chyme

Question 4

Question
Hydrochloric acid is released from cells in the:
Answer
  • stomach
  • small intestine
  • large intestine
  • All of the above

Question 5

Question
The greatest proportion of the tooth shell consists of
Answer
  • enamel
  • dentin
  • gingivae
  • cementum

Question 6

Question
The flap of tissue suspended from the midpoint of the posterior border of the soft palate is the
Answer
  • fauces
  • frenulum
  • uvula
  • gingiva

Question 7

Question
Which of the following stomach cell types is not correctly matched with its function
Answer
  • mucus cells produce mucus
  • parietal cells produce hydrochloric acid
  • chief cells produce pepsinogen
  • endocrine cells produce intrinsic factor

Question 8

Question
Bile component essential for emulsification
Answer
  • bile salts
  • bile pigments
  • bilirubin
  • all of these

Question 9

Question
The disaccharide maltose is made up of
Answer
  • Glucose and glucose
  • Glucose and fructose
  • Glucose and galactose
  • None of the above

Question 10

Question
Bile contains all the following substances except:
Answer
  • bile salts
  • lecithin
  • amylase
  • bilirubin

Question 11

Question
Triglyceride is also known as:
Answer
  • sugar
  • polysaccharide
  • protein
  • fat

Question 12

Question
The last function of the digestive system is:
Answer
  • elimination
  • absorption
  • motility
  • secretion

Question 13

Question
Decreased levels of bile salts in bile would interfere with digestion of:
Answer
  • protein
  • fat
  • disaccharide
  • complex carbohydrate

Question 14

Question
Cellulose often remains undigested. It belongs to this group :
Answer
  • carbohydrates
  • meat proteins
  • undigested fats
  • undigested connective tissue

Question 15

Question
The process of fat emulsification consists of
Answer
  • chemically breaking down fat molecules
  • the secretion of digestive juices for fat digestion
  • absorption of fats
  • breaking fats into small droplets

Question 16

Question
Pancreatic juice contains which of the following:
Answer
  • amylase
  • trypsin
  • peptidase
  • lipase
  • all of the above

Question 17

Question
Receives food directly from the oral cavity?
Answer
  • nasopharynx
  • oropharynx
  • laryngopharynx
  • esophagus
  • stomach

Question 18

Question
Which of the following organs is part of the GI tract:
Answer
  • teeth
  • salivary gland
  • liver
  • gall bladder
  • stomach

Question 19

Question
Which of the following is not an anatomical part of the small intestine?
Answer
  • Duodenum
  • Cecum
  • Ileum
  • Jejunum

Question 20

Question
Which structure helps anchor the tongue to the floor of the mouth?
Answer
  • Philtrum
  • Plica fimbriata
  • Lingual frenulum
  • Fauces

Question 21

Question
An incision into the wall of the GI tract would cut, in order, from outside to inside:
Answer
  • mucosa, submucosa, muscularis, and serosa
  • serosa, submucosa, muscularis, and mucosa
  • serosa, muscularis, submucosa, and mucosa
  • muscularis, submucosa, mucosa, and serosa

Question 22

Question
The hard palate consists of portions of
Answer
  • four bones: three maxillae and one palatine
  • two bones: one maxillae and one palatine
  • four bones: two maxillae and two palatines
  • two bones: two palatines

Question 23

Question
Which of the following is true about the main organs of the digestive system?
Answer
  • They are involved in chemical digestion only, not mechanical digestion.
  • They do not produce the enzymes used in digestion; enzymes are produced by associate organs.
  • They form a tube through the body called the alimentary canal.
  • All of the above are true of the main organs of digestion.

Question 24

Question
The first phase of deglutition or swallowing occurs in the:
Answer
  • pharynx
  • larynx
  • esophagus
  • oral cavity

Question 25

Question
The gastric phase of gastric juice secretion is triggered by
Answer
  • sight, thought, smell of food
  • entry of protein rich foods into stomach
  • entry of chyme into small intestine
  • entry of chyme into large intestine

Question 26

Question
Digestion uses the following methods in this order to accomplish its function.
Answer
  • Ingestion, absorption, secretion
  • Ingestion, secretion, absorption
  • Absorption, secretion, ingestion
  • Absorption, ingestion, secretion

Question 27

Question
Which of the following protein-digesting enzymes is made in the stomach?
Answer
  • Trypsin
  • Chymotrypsin
  • Pepsin
  • Peptidase

Question 28

Question
Mechanical digestion:
Answer
  • chewing
  • peristalsis
  • segmentation
  • motility
  • all of the above

Question 29

Question
Gastric juice contains all the following substances except:
Answer
  • intrinsic factor
  • enterokinase.
  • hydrochloric acid
  • pepsin

Question 30

Question
The contents of the stomach are emptied into the:
Answer
  • duodenum
  • ileum.
  • jejunum
  • cecum

Question 31

Question
Which layer of the digestive tract is in direct contact with the food consumed:
Answer
  • mucosa
  • muscularis
  • submucosa
  • serosa

Question 32

Question
The cardiac sphincter controls the flow of food into:
Answer
  • esophagus
  • small intestine
  • stomach
  • large intestine

Question 33

Question
Which of the following is true about bile?
Answer
  • It is made in the gallbladder, stored in the gallbladder, and emptied into the duodenum.
  • It is made in the liver, stored in the gallbladder, and emptied into the stomach.
  • It is made in the gallbladder, stored in the liver, and emptied into the jejunum.
  • It is made in the liver, stored in the gallbladder, and emptied into the duodenum.

Question 34

Question
Which of the following organs is classified as a dual gland (both exocrine and endocrine)?
Answer
  • Gallbladder
  • Liver
  • Pancreas
  • both Gallbladder and Pancreas

Question 35

Question
Which of the following is not a digestive enzyme for lipids?
Answer
  • Bile
  • Lipase
  • Phospholipase
  • All of the above are digestive enzymes for lipids.

Question 36

Question
This monosaccharide is found in all three of the most common disaccharides.
Answer
  • Fructose
  • Glucose
  • Galactose
  • Levulose

Question 37

Question
Polysaccharides are hydrolyzed by enzymes known as:
Answer
  • lipase
  • proteases
  • maltase
  • amylase

Question 38

Question
Digestion of protein begins in the
Answer
  • mouth
  • esophagus
  • stomach
  • duodenum
  • jejunum

Question 39

Question
The largest gland in the body?
Answer
  • pituitary
  • thyroid
  • thymus
  • liver

Question 40

Question
Which of the following is not a function of the stomach?
Answer
  • It. serves as a reservoir for storage of food
  • It destroys pathogenic bacteria
  • It begins the absorption of proteins
  • All of the above are functions of the stomach.

Question 41

Question
A permanent set of teeth normally consists of [blank_start]32[blank_end] teeth.
Answer
  • 32
  • 26
  • 30
  • 36

Question 42

Question
Which of the following is not a division of the stomach?
Answer
  • Rugae
  • Body
  • Pylorus
  • Fundus

Question 43

Question
Beginning with the largest structure which of the following is a correct description of the small intestine's adaptation for absorption?
Answer
  • villi, microvilli, plicae
  • plicae, villi, microvilli
  • microvilli,villi, plicae
  • microvilli, plicae, villi

Question 44

Question
A blockage of the ducts from the parotid glands would result in:
Answer
  • increased secretion of saliva
  • interference in carbohydrate digestion in mouth
  • elimination of sense of taste
  • elimination of sense of smell

Question 45

Question
The disaccharide lactose is made up of which two monosaccharides?
Answer
  • Glucose and glucose
  • Glucose and fructose
  • Glucose and galactose
  • None of the above

Question 46

Question
Chemical digestion:
Answer
  • peristalsis
  • segmentation
  • chewing
  • enzymatic hydrolysis

Question 47

Question
An enzyme that will digest proteins into peptides:
Answer
  • lipase
  • amylase
  • nuclease
  • trypsin
  • maltase

Question 48

Question
The disaccharide sucrose is made up of which two monosaccharides?
Answer
  • Glucose and glucose
  • Glucose and fructose
  • Glucose and galactose
  • None of the above

Question 49

Question
Which phase(s) of gastric secretion is/are stimulated by the sight, taste, and smell of food?
Answer
  • Intestinal phase
  • Cephalic phase
  • Gastric phase
  • All of the above

Question 50

Question
Which of the following structures is anatomically the longest?
Answer
  • Esophagus
  • Duodenum
  • Jejunum
  • Ileum

Question 51

Question
Which of the following is not associated with the large intestine?
Answer
  • Pyloric sphincter
  • Cecum
  • Appendix
  • Transverse colon

Question 52

Question
Which of the following statements is true?
Answer
  • The cystic duct and the pancreatic duct join to form the common bile duct.
  • The common bile duct is formed by the joining of the cystic duct from the liver and the hepatic duct from the gallbladder.
  • The pancreatic duct and the hepatic duct join to form the common bile duct.
  • None of the above is true.

Question 53

Question
In the stomach, hydrochloric acid is secreted by the:
Answer
  • a. chief cells
  • b. parietal cells
  • c. lymph nodules
  • d. Both A and B

Question 54

Question
As the food in the stomach is repeatedly squeezed and mixed with gastric juices, it is converted into a semifluid material called:
Answer
  • bolus
  • bile
  • feces
  • chyme

Question 55

Question
The brush border of the intestinal mucosa consists of:
Answer
  • hair cells
  • villi
  • cilia
  • microvilli

Question 56

Question
Segmentation is different from peristalsis because:
Answer
  • segmentation only occurs in the stomach
  • it is a type of mechanical digestion
  • it does not move food through the digestive tract
  • There is no difference between segmentation and peristalsis

Question 57

Question
Which of the following is not digested prior to absorption
Answer
  • water
  • mineral
  • glucose
  • fatty acid
  • all of the above

Question 58

Question
An end-product of fat digestion is:
Answer
  • glycerol
  • glucose
  • glycogen
  • galactose

Question 59

Question
The numerous small elevations on the surface of the tongue that support taste buds are called:
Answer
  • cilia
  • rugae
  • villi
  • papillae

Question 60

Question
Which of the following is not a function of the liver?
Answer
  • Production of bile
  • Secretion of insulin
  • Storage of iron and vitamins
  • Glycogen synthesis

Question 61

Question
Which one of the following is a function of the digestive system:
Answer
  • absorption of nutrients
  • food ingestion
  • elimination of undigested food
  • all of the above

Question 62

Question
Proteins are broken down into peptides by enzymes in:
Answer
  • a. gastric juices
  • b. pancreatic juices
  • c. intestinal secretions
  • d. both A and B

Question 63

Question
Carbohydrate digestion begins in the:
Answer
  • mouth
  • esophagus
  • stomach
  • duodenum
  • ileum

Question 64

Question
A major final product of carbohydrate digestion:
Answer
  • glucose
  • sucrose
  • lactose
  • maltose

Question 65

Question
Which of these is not an example of mechanical digestion?
Answer
  • Moistening the food
  • Changing food from large to small particles
  • Propelling food through the digestive tract
  • All of the above are examples of mechanical digestion.

Question 66

Question
Which of the following is Not an accessory organ of the digestive system?
Answer
  • salivary gland
  • esophagus
  • pancreas
  • gall bladder
  • liver

Question 67

Question
The enzyme pepsin begins the digestion of:
Answer
  • carbohydrates
  • protein
  • fat
  • all of the above

Question 68

Question
The oral fissure divides the:
Answer
  • upper lip from the lower lip
  • cheek muscle from the teeth
  • right and left sides of the palate
  • right side of the tongue from the left side of the tongue
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