




















Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Community
Ask the community for help and clear up your study doubts
Discover the best universities in your country according to Docsity users
Free resources
Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors
Chapter 17 Hole's Human Anatomy & Physiology 9th edition David Shier, Ricki Lewis, Jackie Butler,2024 Test Bank for Chapter 17 Digestive System Complete (multiple choice & true or false)
Typology: Exams
1 / 28
This page cannot be seen from the preview
Don't miss anything!
th
Please answer all questions
The digestive system functions to provide cells with proper amounts of proteins, carbohydrate or fats.
A )True
)False
The so-called wisdom teeth are actually the four last molars.
A )True
)False
The pyloric sphincter acts to prevent food from leaving the small intestine. A
)True
)False
Please answer all questions
1 The _____________ layer of the alimentary canal contains loose connective tissue, glands, blood
and lymphatic vessels, and nerves. A) mucosa
submucosa
muscular layer
serosa
2 Activities of the digestive system are generally increased by _________________ nervous stimulation.
A) sympathetic
parasympathetic
somatic
autonomic
3 The purpose of the soft palate is to __________________.
A) house extra taste buds
sense temperature of food before it is swallowed
produce saliva and enzymatic secretions
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
cuspid
pyloric region
9 Intrinsic factor is secreted by which cells of the gastric glands?
A) mucous cells
chief cells
peptic cells
parietal cells
10
During which stage of gastric secretion do gastric glands actually begin secreting gastric juice?
A) cephalic phase
gastric phase
intestinal phase
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
pancreatic lipase
trypsinogen
pancreatic amylase
12
What hormone does the small intestine release in response to acidic chyme? A) cholecystokinin
secretin
digestin
gastrin
13
What is the primary purpose of the liver in aiding digestion?
A) produces digestive enzymes
produces alkaline solution to neutralize stomach acidity
produces bile to emulsify fats in the small intestine
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
to house gas-producing bacteria
to rid the body of toxins
to compact, store, and eliminate feces
16
Where does the greatest amount of digestion occur? A) small intestine
stomach
large intestine
liver
21
Where are the palatine tonsils located? A) larynx
pharynx
trachea
esophagus
22
The surface area of the stomach is enhanced by the presence of folds called _____. A) rugae
villi
microvilli
plicae
23
Where would the least amount of bacteria be found? A) small intestine
colon
stomach
pharynx
24
What normally holds the intestines in position within the abdominal cavity? A) mesentery
gravity
adipose
stomach muscles
25
What does the pancreatic duct directly join to? A) jejunum
liver
ileum
duodenum
26
Which of these does not directly promote the hydrolysis of food?
A) villi
microvilli
submucosa
mucosa
27
The outer layer of the intestines is the ____
A) mucosa
serosa
submucosa
muscularis
28
Where are the lacteals located?
A) liver
pancreas
small intestine
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
False
5
The visceral peritoneum is a fibrous membrane, which wraps around the outer layer of the
intestines. A) True
False
6
The mucous cells of the salivary glands secrete amylase which facilitates digestion of starches.
A) True
False
7
Stensen's duct conveys saliva from the submandibular gland into the oral cavity.
A) True
False
8
During swallowing, the soft palate is moved upward and the epiglottis is tilted downward. A) True
False
9
Gastric intrinsic factor is essential for the absorption of vitamin B12. A) True
False
10
Emetics cause the vomiting center in the hypothalamus to propel food by contracting stomach
muscles. A) True
False
11
The enterogastric reflex normally inhibits the further contraction of the stomach as the duodenum fills.
A) True
False
12
Cystic fibrosis is an inherited disease that affects digestion as well as respiration. A) True
False
13
The portal veins drain blood from the liver and convey it to the inferior vena cava. A) True
False
14
The liver has the ability to convert carbohydrates into amino acids.
A) True
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
submucosa
muscle
serosa
2 Which intestinal layer accounts for the action of the peristaltic waves?
A) serosa
muscularis
submucosa
mucous
3 The alimentary tube is around _____ meters long.
A) 2
4 The _____ nervous system division usually stimulates and promotes digestion.
A) somatic
sympathetic
central
D)parasympathetic
5
The processes of chewing are referred to as _____. A) churning
mastication
peristalsis
deglutition
6
The frenulum is the membrane attached to the inferior surface of the _____. A) tongue
stomach
lips
liver
7
The following are true of the tongue except which one?
A) contains skeletal muscle
attaches to hyoid bone
attaches to temporal bone
contains papillae
8
The following areas contain tonsils except which one?
A) around the frenulum
oral pharynx
nasal pharynx
root of tongue
13
Which part of a tooth most closely resembles bone tissue? A) enamel
cementum
dentin
gingiva
14
Which muscles constrict to prevent air from entering the esophagus during breathing? A) superior constrictor
middle constrictor
inferior constrictor
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
stomach
intestinal
thoracic wall
16
The _____ part of the stomach is the area the is connected to the esophagus.
A) cardiac
pyloric
fundus
body
17
The _____ prevents food from entering the small intestine. A) cardiac sphincter
pyloric valve
ileo-colic valve
sphincter of Oddi
18
Gastric enzymes are secreted by the _____ cells.
A) chief
goblet
parietal
oxyntic
19
Proteins are digested or broken down by the _____ in the stomach.
A) pepsinogen
pepsin
hydrochloric acid
lipase
20
Parasympathetic stomach impulses cause all of the following except which one?
A) secretion of somatostatin
inhibition of somatostatin
secretion of gastrin
promotes histamine
21
Gastrin secretion will stop when the stomach pH reaches _____.
enterokinase
carboxypeptidase
chymotrypsin
26
Proteins are split by all of the following pancreatic factors except which one? A) zymogen
chymotrypsin
trypsin
carboxypeptidase
27
Pancreatitis is mainly the result of _____ activity. A) bile
bacterial
carboxypeptidase
trypsin
28
Which of the following are not active in the duodenum? A) nuclease
enterokinase
pepsin
amylase
29
Secretin from the duodenum causes the pancreas to produce secretions rich in _____. A) proteolytic enzymes
amylase
lipase
bicarbonate
30
Which of these is a hormone name? A) trypsin
ribonuclease
cholecystokinin
chymotrypsinogen
31
The hormone which causes the pancreas to secrete an enzyme rich fluid is _____. A) cholecystokinin
secretin
enterogastrone
enterocrinin
32
Which organ has the most metabolically active cells? A) pancreas
liver
stomach
small intestine
33
Urea is synthesized by the liver following _____ metabolism. A) carbohydrate
protein
lipid