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Quiz von Alexandra Bozan, aktualisiert more than 1 year ago
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Erstellt von Alexandra Bozan
vor fast 8 Jahre
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Frage 1
Frage
The more common term for deglutition is
Antworten
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chewing
-
swallowing
-
mechanical digestion
-
vomiting
Frage 2
Frage
Which of the following organs has a mucosal layer that is composed of columnar epithelium with a brush border of microvilli to enhance absorption?
Antworten
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Esophagus
-
Large intestine
-
Small intestine
-
Stomach
Frage 3
Frage
As the food in the stomach is repeatedly squeezed and mixed with gastric juices, it is converted into a semifluid material called:
Antworten
-
bolus
-
bile
-
feces
-
chyme
Frage 4
Frage
Hydrochloric acid is released from cells in the:
Antworten
-
stomach
-
small intestine
-
large intestine
-
All of the above
Frage 5
Frage
The greatest proportion of the tooth shell consists of
Antworten
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enamel
-
dentin
-
gingivae
-
cementum
Frage 6
Frage
The flap of tissue suspended from the midpoint of the posterior border of the soft palate is the
Antworten
-
fauces
-
frenulum
-
uvula
-
gingiva
Frage 7
Frage
Which of the following stomach cell types is not correctly matched with its function
Antworten
-
mucus cells produce mucus
-
parietal cells produce hydrochloric acid
-
chief cells produce pepsinogen
-
endocrine cells produce intrinsic factor
Frage 8
Frage
Bile component essential for emulsification
Antworten
-
bile salts
-
bile pigments
-
bilirubin
-
all of these
Frage 9
Frage
The disaccharide maltose is made up of
Antworten
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Glucose and glucose
-
Glucose and fructose
-
Glucose and galactose
-
None of the above
Frage 10
Frage
Bile contains all the following substances except:
Antworten
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bile salts
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lecithin
-
amylase
-
bilirubin
Frage 11
Frage
Triglyceride is also known as:
Antworten
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sugar
-
polysaccharide
-
protein
-
fat
Frage 12
Frage
The last function of the digestive system is:
Antworten
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elimination
-
absorption
-
motility
-
secretion
Frage 13
Frage
Decreased levels of bile salts in bile would interfere with digestion of:
Antworten
-
protein
-
fat
-
disaccharide
-
complex carbohydrate
Frage 14
Frage
Cellulose often remains undigested. It belongs to this group :
Antworten
-
carbohydrates
-
meat proteins
-
undigested fats
-
undigested connective tissue
Frage 15
Frage
The process of fat emulsification consists of
Antworten
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chemically breaking down fat molecules
-
the secretion of digestive juices for fat digestion
-
absorption of fats
-
breaking fats into small droplets
Frage 16
Frage
Pancreatic juice contains which of the following:
Antworten
-
amylase
-
trypsin
-
peptidase
-
lipase
-
all of the above
Frage 17
Frage
Receives food directly from the oral cavity?
Antworten
-
nasopharynx
-
oropharynx
-
laryngopharynx
-
esophagus
-
stomach
Frage 18
Frage
Which of the following organs is part of the GI tract:
Antworten
-
teeth
-
salivary gland
-
liver
-
gall bladder
-
stomach
Frage 19
Frage
Which of the following is not an anatomical part of the small intestine?
Antworten
-
Duodenum
-
Cecum
-
Ileum
-
Jejunum
Frage 20
Frage
Which structure helps anchor the tongue to the floor of the mouth?
Antworten
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Philtrum
-
Plica fimbriata
-
Lingual frenulum
-
Fauces
Frage 21
Frage
An incision into the wall of the GI tract would cut, in order, from outside to inside:
Antworten
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mucosa, submucosa, muscularis, and serosa
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serosa, submucosa, muscularis, and mucosa
-
serosa, muscularis, submucosa, and mucosa
-
muscularis, submucosa, mucosa, and serosa
Frage 22
Frage
The hard palate consists of portions of
Antworten
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four bones: three maxillae and one palatine
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two bones: one maxillae and one palatine
-
four bones: two maxillae and two palatines
-
two bones: two palatines
Frage 23
Frage
Which of the following is true about the main organs of the digestive system?
Antworten
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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.
Frage 24
Frage
The first phase of deglutition or swallowing occurs in the:
Antworten
-
pharynx
-
larynx
-
esophagus
-
oral cavity
Frage 25
Frage
The gastric phase of gastric juice secretion is triggered by
Antworten
-
sight, thought, smell of food
-
entry of protein rich foods into stomach
-
entry of chyme into small intestine
-
entry of chyme into large intestine
Frage 26
Frage
Digestion uses the following methods in this order to accomplish its function.
Antworten
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Ingestion, absorption, secretion
-
Ingestion, secretion, absorption
-
Absorption, secretion, ingestion
-
Absorption, ingestion, secretion
Frage 27
Frage
Which of the following protein-digesting enzymes is made in the stomach?
Antworten
-
Trypsin
-
Chymotrypsin
-
Pepsin
-
Peptidase
Frage 28
Frage
Mechanical digestion:
Antworten
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chewing
-
peristalsis
-
segmentation
-
motility
-
all of the above
Frage 29
Frage
Gastric juice contains all the following substances except:
Antworten
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intrinsic factor
-
enterokinase.
-
hydrochloric acid
-
pepsin
Frage 30
Frage
The contents of the stomach are emptied into the:
Antworten
-
duodenum
-
ileum.
-
jejunum
-
cecum
Frage 31
Frage
Which layer of the digestive tract is in direct contact with the food consumed:
Antworten
-
mucosa
-
muscularis
-
submucosa
-
serosa
Frage 32
Frage
The cardiac sphincter controls the flow of food into:
Antworten
-
esophagus
-
small intestine
-
stomach
-
large intestine
Frage 33
Frage
Which of the following is true about bile?
Antworten
-
It is made in the gallbladder, stored in the gallbladder, and emptied into the duodenum.
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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.
Frage 34
Frage
Which of the following organs is classified as a dual gland (both exocrine and endocrine)?
Antworten
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Gallbladder
-
Liver
-
Pancreas
-
both Gallbladder and Pancreas
Frage 35
Frage
Which of the following is not a digestive enzyme for lipids?
Antworten
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Bile
-
Lipase
-
Phospholipase
-
All of the above are digestive enzymes for lipids.
Frage 36
Frage
This monosaccharide is found in all three of the most common disaccharides.
Antworten
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Fructose
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Glucose
-
Galactose
-
Levulose
Frage 37
Frage
Polysaccharides are hydrolyzed by enzymes known as:
Antworten
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lipase
-
proteases
-
maltase
-
amylase
Frage 38
Frage
Digestion of protein begins in the
Antworten
-
mouth
-
esophagus
-
stomach
-
duodenum
-
jejunum
Frage 39
Frage
The largest gland in the body?
Antworten
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pituitary
-
thyroid
-
thymus
-
liver
Frage 40
Frage
Which of the following is not a function of the stomach?
Antworten
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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.
Frage 41
Frage
A permanent set of teeth normally consists of [blank_start]32[blank_end] teeth.
Antworten
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32
-
26
-
30
-
36
Frage 42
Frage
Which of the following is not a division of the stomach?
Antworten
-
Rugae
-
Body
-
Pylorus
-
Fundus
Frage 43
Frage
Beginning with the largest structure which of the following is a correct description of the small intestine's adaptation for absorption?
Antworten
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villi, microvilli, plicae
-
plicae, villi, microvilli
-
microvilli,villi, plicae
-
microvilli, plicae, villi
Frage 44
Frage
A blockage of the ducts from the parotid glands would result in:
Antworten
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increased secretion of saliva
-
interference in carbohydrate digestion in mouth
-
elimination of sense of taste
-
elimination of sense of smell
Frage 45
Frage
The disaccharide lactose is made up of which two monosaccharides?
Antworten
-
Glucose and glucose
-
Glucose and fructose
-
Glucose and galactose
-
None of the above
Frage 46
Frage
Chemical digestion:
Antworten
-
peristalsis
-
segmentation
-
chewing
-
enzymatic hydrolysis
Frage 47
Frage
An enzyme that will digest proteins into peptides:
Antworten
-
lipase
-
amylase
-
nuclease
-
trypsin
-
maltase
Frage 48
Frage
The disaccharide sucrose is made up of which two monosaccharides?
Antworten
-
Glucose and glucose
-
Glucose and fructose
-
Glucose and galactose
-
None of the above
Frage 49
Frage
Which phase(s) of gastric secretion is/are stimulated by the sight, taste, and smell of food?
Antworten
-
Intestinal phase
-
Cephalic phase
-
Gastric phase
-
All of the above
Frage 50
Frage
Which of the following structures is anatomically the longest?
Antworten
-
Esophagus
-
Duodenum
-
Jejunum
-
Ileum
Frage 51
Frage
Which of the following is not associated with the large intestine?
Antworten
-
Pyloric sphincter
-
Cecum
-
Appendix
-
Transverse colon
Frage 52
Frage
Which of the following statements is true?
Antworten
-
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.
Frage 53
Frage
In the stomach, hydrochloric acid is secreted by the:
Antworten
-
a. chief cells
-
b. parietal cells
-
c. lymph nodules
-
d. Both A and B
Frage 54
Frage
As the food in the stomach is repeatedly squeezed and mixed with gastric juices, it is converted into a semifluid material called:
Antworten
-
bolus
-
bile
-
feces
-
chyme
Frage 55
Frage
The brush border of the intestinal mucosa consists of:
Antworten
-
hair cells
-
villi
-
cilia
-
microvilli
Frage 56
Frage
Segmentation is different from peristalsis because:
Antworten
-
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
Frage 57
Frage
Which of the following is not digested prior to absorption
Antworten
-
water
-
mineral
-
glucose
-
fatty acid
-
all of the above
Frage 58
Frage
An end-product of fat digestion is:
Antworten
-
glycerol
-
glucose
-
glycogen
-
galactose
Frage 59
Frage
The numerous small elevations on the surface of the tongue that support taste buds are called:
Antworten
-
cilia
-
rugae
-
villi
-
papillae
Frage 60
Frage
Which of the following is not a function of the liver?
Antworten
-
Production of bile
-
Secretion of insulin
-
Storage of iron and vitamins
-
Glycogen synthesis
Frage 61
Frage
Which one of the following is a function of the digestive system:
Antworten
-
absorption of nutrients
-
food ingestion
-
elimination of undigested food
-
all of the above
Frage 62
Frage
Proteins are broken down into peptides by enzymes in:
Antworten
-
a. gastric juices
-
b. pancreatic juices
-
c. intestinal secretions
-
d. both A and B
Frage 63
Frage
Carbohydrate digestion begins in the:
Antworten
-
mouth
-
esophagus
-
stomach
-
duodenum
-
ileum
Frage 64
Frage
A major final product of carbohydrate digestion:
Antworten
-
glucose
-
sucrose
-
lactose
-
maltose
Frage 65
Frage
Which of these is not an example of mechanical digestion?
Antworten
-
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.
Frage 66
Frage
Which of the following is Not an accessory organ of the digestive system?
Antworten
-
salivary gland
-
esophagus
-
pancreas
-
gall bladder
-
liver
Frage 67
Frage
The enzyme pepsin begins the digestion of:
Antworten
-
carbohydrates
-
protein
-
fat
-
all of the above
Frage 68
Frage
The oral fissure divides the:
Antworten
-
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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