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Chapter 17 Hole's Human Anatomy & Physiology
th
edition David Shier, Ricki Lewis, Jackie
Butler,2024 Test Bank for Chapter 17 Digestive
System Complete (multiple choice & true or
false)
Digestive System
True/False Quiz
Please answer all questions
The digestive system functions to provide cells with proper amounts of proteins, carbohydrate or fats.
A )True
B
)False
The so-called wisdom teeth are actually the four last molars.
A )True
B
)False
The pyloric sphincter acts to prevent food from leaving the small intestine. A
)True
B
)False
Multiple Choice Quiz
Please answer all questions
1 The _____________ layer of the alimentary canal contains loose connective tissue, glands, blood
and lymphatic vessels, and nerves. A) mucosa
B)
submucosa
C)
muscular layer
D)
serosa
2 Activities of the digestive system are generally increased by _________________ nervous stimulation.
A) sympathetic
B)
parasympathetic
C)
somatic
D)
autonomic
3 The purpose of the soft palate is to __________________.
A) house extra taste buds
B)
sense temperature of food before it is swallowed
C)
produce saliva and enzymatic secretions
D)
close off the nasal cavity during swallowing
4 Compared to the others listed below, which type of tooth is more likely to be involved in grinding
food? A) incisor
B)
cuspid
D)
pyloric region
9 Intrinsic factor is secreted by which cells of the gastric glands?
A) mucous cells
B)
chief cells
C)
peptic cells
D)
parietal cells
10
During which stage of gastric secretion do gastric glands actually begin secreting gastric juice?
A) cephalic phase
B)
gastric phase
C)
intestinal phase
D)
enterogastric reflex
11
The pancreas secretes enzymes that enter the small intestine and chemically digest chyme.
Choose the enzyme(s) that break(s) down fats. A) carboxypeptidase
B)
pancreatic lipase
C)
trypsinogen
D)
pancreatic amylase
12
What hormone does the small intestine release in response to acidic chyme? A) cholecystokinin
B)
secretin
C)
digestin
D)
gastrin
13
What is the primary purpose of the liver in aiding digestion?
A) produces digestive enzymes
B)
produces alkaline solution to neutralize stomach acidity
C)
produces bile to emulsify fats in the small intestine
D)
produces substances that aid the large intestine in water absorption
14
How are the components of fats absorbed in the small intestine?
A)Specific receptor proteins carry fatty acids across the intestinal wall and into the
bloodstream.
B) Fatty acids are transported by active transport to the bloodstream.
C)Components of lipids diffuse through small intestinal cell membranes, are reconstructed
in the cells, then carried off by lacteals as chylomicrons.
D)Components of lipids diffuse through small intestinal cell membranes and into the
bloodstream where they are carried to the liver for processing.
15
What is the primary function of the large intestine? A) to complete the absorption of most nutrients
B)
to house gas-producing bacteria
C)
to rid the body of toxins
D)
to compact, store, and eliminate feces
16
Where does the greatest amount of digestion occur? A) small intestine
B)
stomach
C)
large intestine
D)
liver
21
Where are the palatine tonsils located? A) larynx
B)
pharynx
C)
trachea
D)
esophagus
22
The surface area of the stomach is enhanced by the presence of folds called _____. A) rugae
B)
villi
C)
microvilli
D)
plicae
23
Where would the least amount of bacteria be found? A) small intestine
B)
colon
C)
stomach
D)
pharynx
24
What normally holds the intestines in position within the abdominal cavity? A) mesentery
B)
gravity
C)
adipose
D)
stomach muscles
25
What does the pancreatic duct directly join to? A) jejunum
B)
liver
C)
ileum
D)
duodenum
26
Which of these does not directly promote the hydrolysis of food?
A) villi
B)
microvilli
C)
submucosa
D)
mucosa
27
The outer layer of the intestines is the ____
A) mucosa
B)
serosa
C)
submucosa
D)
muscularis
28
Where are the lacteals located?
A) liver
B)
pancreas
C)
small intestine
D)
large intestine
29
Which structure does the appendix come off of?
4
The Valsalva maneuver or defecation reflex, can aid defecation but could potentiate a heart attack.
A) True
B)
False
5
The visceral peritoneum is a fibrous membrane, which wraps around the outer layer of the
intestines. A) True
B)
False
6
The mucous cells of the salivary glands secrete amylase which facilitates digestion of starches.
A) True
B)
False
7
Stensen's duct conveys saliva from the submandibular gland into the oral cavity.
A) True
B)
False
8
During swallowing, the soft palate is moved upward and the epiglottis is tilted downward. A) True
B)
False
9
Gastric intrinsic factor is essential for the absorption of vitamin B12. A) True
B)
False
10
Emetics cause the vomiting center in the hypothalamus to propel food by contracting stomach
muscles. A) True
B)
False
11
The enterogastric reflex normally inhibits the further contraction of the stomach as the duodenum fills.
A) True
B)
False
12
Cystic fibrosis is an inherited disease that affects digestion as well as respiration. A) True
B)
False
13
The portal veins drain blood from the liver and convey it to the inferior vena cava. A) True
B)
False
14
The liver has the ability to convert carbohydrates into amino acids.
A) True
B)
False
15
Hepatitis can be caused by viruses such as hepatitis A which can be transmitted by contaminated
food.
Please answer all questions
1 Which gastrointestinal layer is characterized by having tough, fibrous connective tissue?
A) mucosa
B)
submucosa
C)
muscle
D)
serosa
2 Which intestinal layer accounts for the action of the peristaltic waves?
A) serosa
B)
muscularis
C)
submucosa
D)
mucous
3 The alimentary tube is around _____ meters long.
A) 2
B)
C)
D)
4 The _____ nervous system division usually stimulates and promotes digestion.
A) somatic
B)
sympathetic
C)
central
D)parasympathetic
5
The processes of chewing are referred to as _____. A) churning
B)
mastication
C)
peristalsis
D)
deglutition
6
The frenulum is the membrane attached to the inferior surface of the _____. A) tongue
B)
stomach
C)
lips
D)
liver
7
The following are true of the tongue except which one?
A) contains skeletal muscle
B)
attaches to hyoid bone
C)
attaches to temporal bone
D)
contains papillae
8
The following areas contain tonsils except which one?
A) around the frenulum
B)
oral pharynx
C)
nasal pharynx
D)
root of tongue
13
Which part of a tooth most closely resembles bone tissue? A) enamel
B)
cementum
C)
dentin
D)
gingiva
14
Which muscles constrict to prevent air from entering the esophagus during breathing? A) superior constrictor
B)
middle constrictor
C)
inferior constrictor
D)
esophageal
15
A hiatal hernia is a weakness in the _____ muscle, which allows a portion of the digestive tract to enter the thoracic cavity.
A) diaphragm
B)
stomach
C)
intestinal
D)
thoracic wall
16
The _____ part of the stomach is the area the is connected to the esophagus.
A) cardiac
B)
pyloric
C)
fundus
D)
body
17
The _____ prevents food from entering the small intestine. A) cardiac sphincter
B)
pyloric valve
C)
ileo-colic valve
D)
sphincter of Oddi
18
Gastric enzymes are secreted by the _____ cells.
A) chief
B)
goblet
C)
parietal
D)
oxyntic
19
Proteins are digested or broken down by the _____ in the stomach.
A) pepsinogen
B)
pepsin
C)
hydrochloric acid
D)
lipase
20
Parasympathetic stomach impulses cause all of the following except which one?
A) secretion of somatostatin
B)
inhibition of somatostatin
C)
secretion of gastrin
D)
promotes histamine
21
Gastrin secretion will stop when the stomach pH reaches _____.
B)
enterokinase
C)
carboxypeptidase
D)
chymotrypsin
26
Proteins are split by all of the following pancreatic factors except which one? A) zymogen
B)
chymotrypsin
C)
trypsin
D)
carboxypeptidase
27
Pancreatitis is mainly the result of _____ activity. A) bile
B)
bacterial
C)
carboxypeptidase
D)
trypsin
28
Which of the following are not active in the duodenum? A) nuclease
B)
enterokinase
C)
pepsin
D)
amylase
29
Secretin from the duodenum causes the pancreas to produce secretions rich in _____. A) proteolytic enzymes
B)
amylase
C)
lipase
D)
bicarbonate
30
Which of these is a hormone name? A) trypsin
B)
ribonuclease
C)
cholecystokinin
D)
chymotrypsinogen
31
The hormone which causes the pancreas to secrete an enzyme rich fluid is _____. A) cholecystokinin
B)
secretin
C)
enterogastrone
D)
enterocrinin
32
Which organ has the most metabolically active cells? A) pancreas
B)
liver
C)
stomach
D)
small intestine
33
Urea is synthesized by the liver following _____ metabolism. A) carbohydrate
B)
protein
C)
lipid
