7233250
Descripción
Test por Alexandra Bozan, actualizado hace más de 1 año
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Creado por Alexandra Bozan
hace alrededor de 8 años
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Pregunta 1
Pregunta
The more common term for deglutition is
Respuesta
-
chewing
-
swallowing
-
mechanical digestion
-
vomiting
Pregunta 2
Pregunta
Which of the following organs has a mucosal layer that is composed of columnar epithelium with a brush border of microvilli to enhance absorption?
Respuesta
-
Esophagus
-
Large intestine
-
Small intestine
-
Stomach
Pregunta 3
Pregunta
As the food in the stomach is repeatedly squeezed and mixed with gastric juices, it is converted into a semifluid material called:
Respuesta
-
bolus
-
bile
-
feces
-
chyme
Pregunta 4
Pregunta
Hydrochloric acid is released from cells in the:
Respuesta
-
stomach
-
small intestine
-
large intestine
-
All of the above
Pregunta 5
Pregunta
The greatest proportion of the tooth shell consists of
Respuesta
-
enamel
-
dentin
-
gingivae
-
cementum
Pregunta 6
Pregunta
The flap of tissue suspended from the midpoint of the posterior border of the soft palate is the
Respuesta
-
fauces
-
frenulum
-
uvula
-
gingiva
Pregunta 7
Pregunta
Which of the following stomach cell types is not correctly matched with its function
Respuesta
-
mucus cells produce mucus
-
parietal cells produce hydrochloric acid
-
chief cells produce pepsinogen
-
endocrine cells produce intrinsic factor
Pregunta 8
Pregunta
Bile component essential for emulsification
Respuesta
-
bile salts
-
bile pigments
-
bilirubin
-
all of these
Pregunta 9
Pregunta
The disaccharide maltose is made up of
Respuesta
-
Glucose and glucose
-
Glucose and fructose
-
Glucose and galactose
-
None of the above
Pregunta 10
Pregunta
Bile contains all the following substances except:
Respuesta
-
bile salts
-
lecithin
-
amylase
-
bilirubin
Pregunta 11
Pregunta
Triglyceride is also known as:
Respuesta
-
sugar
-
polysaccharide
-
protein
-
fat
Pregunta 12
Pregunta
The last function of the digestive system is:
Respuesta
-
elimination
-
absorption
-
motility
-
secretion
Pregunta 13
Pregunta
Decreased levels of bile salts in bile would interfere with digestion of:
Respuesta
-
protein
-
fat
-
disaccharide
-
complex carbohydrate
Pregunta 14
Pregunta
Cellulose often remains undigested. It belongs to this group :
Respuesta
-
carbohydrates
-
meat proteins
-
undigested fats
-
undigested connective tissue
Pregunta 15
Pregunta
The process of fat emulsification consists of
Respuesta
-
chemically breaking down fat molecules
-
the secretion of digestive juices for fat digestion
-
absorption of fats
-
breaking fats into small droplets
Pregunta 16
Pregunta
Pancreatic juice contains which of the following:
Respuesta
-
amylase
-
trypsin
-
peptidase
-
lipase
-
all of the above
Pregunta 17
Pregunta
Receives food directly from the oral cavity?
Respuesta
-
nasopharynx
-
oropharynx
-
laryngopharynx
-
esophagus
-
stomach
Pregunta 18
Pregunta
Which of the following organs is part of the GI tract:
Respuesta
-
teeth
-
salivary gland
-
liver
-
gall bladder
-
stomach
Pregunta 19
Pregunta
Which of the following is not an anatomical part of the small intestine?
Respuesta
-
Duodenum
-
Cecum
-
Ileum
-
Jejunum
Pregunta 20
Pregunta
Which structure helps anchor the tongue to the floor of the mouth?
Respuesta
-
Philtrum
-
Plica fimbriata
-
Lingual frenulum
-
Fauces
Pregunta 21
Pregunta
An incision into the wall of the GI tract would cut, in order, from outside to inside:
Respuesta
-
mucosa, submucosa, muscularis, and serosa
-
serosa, submucosa, muscularis, and mucosa
-
serosa, muscularis, submucosa, and mucosa
-
muscularis, submucosa, mucosa, and serosa
Pregunta 22
Pregunta
The hard palate consists of portions of
Respuesta
-
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
Pregunta 23
Pregunta
Which of the following is true about the main organs of the digestive system?
Respuesta
-
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.
Pregunta 24
Pregunta
The first phase of deglutition or swallowing occurs in the:
Respuesta
-
pharynx
-
larynx
-
esophagus
-
oral cavity
Pregunta 25
Pregunta
The gastric phase of gastric juice secretion is triggered by
Respuesta
-
sight, thought, smell of food
-
entry of protein rich foods into stomach
-
entry of chyme into small intestine
-
entry of chyme into large intestine
Pregunta 26
Pregunta
Digestion uses the following methods in this order to accomplish its function.
Respuesta
-
Ingestion, absorption, secretion
-
Ingestion, secretion, absorption
-
Absorption, secretion, ingestion
-
Absorption, ingestion, secretion
Pregunta 27
Pregunta
Which of the following protein-digesting enzymes is made in the stomach?
Respuesta
-
Trypsin
-
Chymotrypsin
-
Pepsin
-
Peptidase
Pregunta 28
Pregunta
Mechanical digestion:
Respuesta
-
chewing
-
peristalsis
-
segmentation
-
motility
-
all of the above
Pregunta 29
Pregunta
Gastric juice contains all the following substances except:
Respuesta
-
intrinsic factor
-
enterokinase.
-
hydrochloric acid
-
pepsin
Pregunta 30
Pregunta
The contents of the stomach are emptied into the:
Respuesta
-
duodenum
-
ileum.
-
jejunum
-
cecum
Pregunta 31
Pregunta
Which layer of the digestive tract is in direct contact with the food consumed:
Respuesta
-
mucosa
-
muscularis
-
submucosa
-
serosa
Pregunta 32
Pregunta
The cardiac sphincter controls the flow of food into:
Respuesta
-
esophagus
-
small intestine
-
stomach
-
large intestine
Pregunta 33
Pregunta
Which of the following is true about bile?
Respuesta
-
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.
Pregunta 34
Pregunta
Which of the following organs is classified as a dual gland (both exocrine and endocrine)?
Respuesta
-
Gallbladder
-
Liver
-
Pancreas
-
both Gallbladder and Pancreas
Pregunta 35
Pregunta
Which of the following is not a digestive enzyme for lipids?
Respuesta
-
Bile
-
Lipase
-
Phospholipase
-
All of the above are digestive enzymes for lipids.
Pregunta 36
Pregunta
This monosaccharide is found in all three of the most common disaccharides.
Respuesta
-
Fructose
-
Glucose
-
Galactose
-
Levulose
Pregunta 37
Pregunta
Polysaccharides are hydrolyzed by enzymes known as:
Respuesta
-
lipase
-
proteases
-
maltase
-
amylase
Pregunta 38
Pregunta
Digestion of protein begins in the
Respuesta
-
mouth
-
esophagus
-
stomach
-
duodenum
-
jejunum
Pregunta 39
Pregunta
The largest gland in the body?
Respuesta
-
pituitary
-
thyroid
-
thymus
-
liver
Pregunta 40
Pregunta
Which of the following is not a function of the stomach?
Respuesta
-
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.
Pregunta 41
Pregunta
A permanent set of teeth normally consists of [blank_start]32[blank_end] teeth.
Respuesta
-
32
-
26
-
30
-
36
Pregunta 42
Pregunta
Which of the following is not a division of the stomach?
Respuesta
-
Rugae
-
Body
-
Pylorus
-
Fundus
Pregunta 43
Pregunta
Beginning with the largest structure which of the following is a correct description of the small intestine's adaptation for absorption?
Respuesta
-
villi, microvilli, plicae
-
plicae, villi, microvilli
-
microvilli,villi, plicae
-
microvilli, plicae, villi
Pregunta 44
Pregunta
A blockage of the ducts from the parotid glands would result in:
Respuesta
-
increased secretion of saliva
-
interference in carbohydrate digestion in mouth
-
elimination of sense of taste
-
elimination of sense of smell
Pregunta 45
Pregunta
The disaccharide lactose is made up of which two monosaccharides?
Respuesta
-
Glucose and glucose
-
Glucose and fructose
-
Glucose and galactose
-
None of the above
Pregunta 46
Pregunta
Chemical digestion:
Respuesta
-
peristalsis
-
segmentation
-
chewing
-
enzymatic hydrolysis
Pregunta 47
Pregunta
An enzyme that will digest proteins into peptides:
Respuesta
-
lipase
-
amylase
-
nuclease
-
trypsin
-
maltase
Pregunta 48
Pregunta
The disaccharide sucrose is made up of which two monosaccharides?
Respuesta
-
Glucose and glucose
-
Glucose and fructose
-
Glucose and galactose
-
None of the above
Pregunta 49
Pregunta
Which phase(s) of gastric secretion is/are stimulated by the sight, taste, and smell of food?
Respuesta
-
Intestinal phase
-
Cephalic phase
-
Gastric phase
-
All of the above
Pregunta 50
Pregunta
Which of the following structures is anatomically the longest?
Respuesta
-
Esophagus
-
Duodenum
-
Jejunum
-
Ileum
Pregunta 51
Pregunta
Which of the following is not associated with the large intestine?
Respuesta
-
Pyloric sphincter
-
Cecum
-
Appendix
-
Transverse colon
Pregunta 52
Pregunta
Which of the following statements is true?
Respuesta
-
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.
Pregunta 53
Pregunta
In the stomach, hydrochloric acid is secreted by the:
Respuesta
-
a. chief cells
-
b. parietal cells
-
c. lymph nodules
-
d. Both A and B
Pregunta 54
Pregunta
As the food in the stomach is repeatedly squeezed and mixed with gastric juices, it is converted into a semifluid material called:
Respuesta
-
bolus
-
bile
-
feces
-
chyme
Pregunta 55
Pregunta
The brush border of the intestinal mucosa consists of:
Respuesta
-
hair cells
-
villi
-
cilia
-
microvilli
Pregunta 56
Pregunta
Segmentation is different from peristalsis because:
Respuesta
-
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
Pregunta 57
Pregunta
Which of the following is not digested prior to absorption
Respuesta
-
water
-
mineral
-
glucose
-
fatty acid
-
all of the above
Pregunta 58
Pregunta
An end-product of fat digestion is:
Respuesta
-
glycerol
-
glucose
-
glycogen
-
galactose
Pregunta 59
Pregunta
The numerous small elevations on the surface of the tongue that support taste buds are called:
Respuesta
-
cilia
-
rugae
-
villi
-
papillae
Pregunta 60
Pregunta
Which of the following is not a function of the liver?
Respuesta
-
Production of bile
-
Secretion of insulin
-
Storage of iron and vitamins
-
Glycogen synthesis
Pregunta 61
Pregunta
Which one of the following is a function of the digestive system:
Respuesta
-
absorption of nutrients
-
food ingestion
-
elimination of undigested food
-
all of the above
Pregunta 62
Pregunta
Proteins are broken down into peptides by enzymes in:
Respuesta
-
a. gastric juices
-
b. pancreatic juices
-
c. intestinal secretions
-
d. both A and B
Pregunta 63
Pregunta
Carbohydrate digestion begins in the:
Respuesta
-
mouth
-
esophagus
-
stomach
-
duodenum
-
ileum
Pregunta 64
Pregunta
A major final product of carbohydrate digestion:
Respuesta
-
glucose
-
sucrose
-
lactose
-
maltose
Pregunta 65
Pregunta
Which of these is not an example of mechanical digestion?
Respuesta
-
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.
Pregunta 66
Pregunta
Which of the following is Not an accessory organ of the digestive system?
Respuesta
-
salivary gland
-
esophagus
-
pancreas
-
gall bladder
-
liver
Pregunta 67
Pregunta
The enzyme pepsin begins the digestion of:
Respuesta
-
carbohydrates
-
protein
-
fat
-
all of the above
Pregunta 68
Pregunta
The oral fissure divides the:
Respuesta
-
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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