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Human Anatomy, 6/e
Kent Van De Graaff, Weber State University

Digestive System

Feedback Multiple Choice Quiz

Please answer all questions. The numbers at the end of each question refer to the textbook page where the question topic is discussed.



1

The swallowing of food or fluid from the mouth to the esophagus is called (635)
A)deglutition
B)ingestion
C)absorption
D)peristalsis
2

The transport of food molecules across the wall of the intestine into the blood and lymph is called (635)
A)hydrolysis
B)diffusion
C)ingestion
D)absorption
E)active transport
3

All of the following are accessory digestive organs except the (635)
A)teeth
B)spleen
C)liver
D)pancreas
E)salivary glands
4

The abdominal wall is lined with the (636)
A)greater omentum
B)parietal peritoneum
C)mesentery
D)mesocolon
E)visceral serosa
5

Which of the following is not a function of the mesentery? (636)
A)supporting the abdominal portion of the GI tract
B)providing space for peristaltic movements of the small intestine
C)providing structural support for nerves and vessels
D)separating the small intestine from the large intestine
6

An incision into the lumen of the GI tract would cut the layers, or tunics, in the following sequence: (637)
A)mucosa, submucosa, muscularis, serosa
B)serosa, submucosa, muscularis, mucosa
C)serosa, muscularis, submucosa, mucosa
D)muscularis, submucosa, mucosa, serosa
7

Which of the following word combination relating the tunic and the tissue is incorrect? (637)
A)tunica muscularis and smooth muscle
B)serosa and loose connective tissue
C)mucosa and simple columnar epithelium
D)submucosa and vascular connective tissue
E)none of the above
8

If the lingual frenulum is too short, a person may be affected by (642)
A)an inability to taste food
B)a pain when chewing
C)difficulty with speech
D)crooked teeth
E)a dry mouth
9

The numerous small elevations on the dorsal surface of the tongue that support taste buds and aid in handling food are called (642)
A)cilia
B)rugae
C)villi
D)gyri
E)papillae
10

When looking directly into the oral cavity, one would not be able to see the (640)
A)lingual frenulum
B)uvula
C)palatine tonsils
D)epiglottis
E)palatal rugae
11

The teeth that are best adapted for shearing food are the (642)
A)canines
B)premolars
C)molars
D)incisors
12

The number of teeth in a full set of permanent dentition is (642)
A)20
B)24
C)30
D)32
E)34
13

Which type of teeth are not represented in deciduous dentition? (642)
A)molars
B)premolars
C)incisors
D)canines
14

Tooth decay, if not treated, would progressively erode the cusp of a tooth in which of the following sequences? (645)
A)cementum, dentin, enamel, pulp
B)enamel, dentin, pulp
C)cementum, enamel, dentin, pulp
D)dentin, cementum, enamel, pulp
15

Which of the following statements is false concerning saliva? (645)
A)It aids in the formation of a bolus.
B)It contains digestive enzymes.
C)It is secreted from exocrine salivary glands.
D)Between 1,000 and 1,500 ml are secreted daily.
E)None of the above.
16

The salivary gland that is positioned in front of the ear, between the skin and the masseter muscle is the (645)
A)sublingual gland
B)parotid gland
C)submaxillary gland
D)submandibular gland
17

The esophageal hiatus is the (648)
A)opening between the pharynx and the esophagus
B)junction between the larynx and the esophagus
C)opening between the esophagus and the stomach
D)opening through the diaphragm
18

During the second stage of deglutition, (648)
A)food is pulverized through chewing
B)the bolus is formed
C)the bolus passes through the pharynx
D)the bolus enters the stomach
19

Which of the following is not a function of the stomach? (649)
A)formation of chyme
B)secretion of gastric juice
C)storage of ingested food
D)absorption of fats
20

Which of the following is not a region of the stomach? (649)
A)antrum
B)cardia
C)fundus
D)body
E)pylorus
21

The pyloric sphincter is a modification of the (649)
A)gastric rugae
B)gastric mucosa
C)submucosa
D)circular layer of the tunica muscularis
E)oblique layer of the tunica muscularis
22

The small intestine is supported by (652)
A)ligaments
B)elastic fibers
C)omentum
D)mesentery
E)diaphragm
23

The common bile duct and the pancreatic duct unite to form a common entry into the duodenum called the (652)
A)hepatopancreatic ampulla
B)duodenal duct
C)mesenteric papilla
D)goblet duct
24

Which of the following statements is false concerning the duodenum? (652)
A)It secretes pepsin for digestion of proteins.
B)It receives bile and pancreatic juice.
C)It contains specialized mucus secreting glands.
D)It contains villi within the mucosa.
25

Aggregates of lymph nodules within the walls of the ileum are called (653)
A)plicae
B)cisterna chyli
C)lacteals
D)mesenteric patches
26

The brush border of the intestinal mucosa consists of (655)
A)hair cells
B)villi
C)cilia
D)flagella
E)microvilli
27

All of the following are structural features of the small intestine except (657)
A)villi
B)haustra
C)plicae circularis
D)brush border
E)intestinal glands
28

Which of the following statements is false concerning the large intestine? (656)
A)It is about 1.5 m long and 6.5 cm in diameter.
B)It is supported by the mesocolon along the abdominal wall.
C)It absorbs water and electrolytes from the undigested food.
D)It forms and expels feces from the digestive system.
E)None of the above.
29

Undigested food passes through the large intestine in which of the following sequences: (656)
A)cecum, ascending colon, transverse colon, descending colon, sigmoid colon, rectum, anal canal
B)ascending colon, transverse colon, descending colon, cecum, rectus, sigmoid colon, anal canal
C)sigmoid colon, cecürn ascending colon, descending colon, transverse colon, anal canal, rectum
D)cecum, sigmoid colon, transverse colon, ascending colon, descending colon, rectum, anal canal
30

The right-angle bend of the large intestine between the transverse colon and the descending colon is called the (656)
A)costal angle
B)hepatic flexure
C)pelvic flexure
D)splenic flexure
E)left colonic bend
31

Which of the following are not structural components of the large intestine? (656)
A)taeniae coli
B)haustra
C)villi
D)epiploic appendages
E)goblet cells
32

Which of the following constitutes the innervation of the large intestine? (659)
A)sympathetic and parasympathetic
B)visceral afferent, sympathetic, and parasympathetic
C)visceral afferent and parasympathetic
D)somatic efferent, sympathetic, and parasympathetic
33

Which of the following types of movement does not occur within the large intestine? (659)
A)pendular churning
B)peristaltic movement
C)haustral churning
D)mass movement
34

Which of the following is not a lobe of the liver? (660)
A)right lobe
B)medial lobe
C)left lobe
D)caudate lobe
E)quadrate lobe
35

The liver is composed of millions of liver cells called (661)
A)hepatocytes
B)Kupffer cells
C)portal cells
D)sinusoids
E)mast cells
36

Which of the following statements concerning a liver lobule is false? (661)
A)It receives both arterial and venous blood.
B)It consists of plates of hepatocytes no more than two cells thick.
C)Blood travels towards the periphery of the lobule between adjacent hepatocytes.
D)None of the above.
37

Which of the following is not a function of the liver? (662)
A)detoxification of blood
B)secretion of digestive enzymes
C)synthesis, storage, and release of vitamins
D)synthesis, storage, and release of glycogen
E)production of bile
38

Bile, produced by the liver and stored and concentrated in the gallbladder, contains (662)
A)bilirubin
B)enterokinase
C)triglyceride
D)urobilinogen
E)albumin
39

The pancreas (663)
A)produces glucagon
B)secretes insulin into the pancreatic duct
C)is composed of porous sinusoids
D)secretes mucus into the duodenum
40

The exocrine secretory units of the pancreas are called (668)
A)islets cells
B)alpha cells
C)acini
D)beta cells
41

The primitive gut is derived from (665)
A)ectoderm
B)mesoderm
C)endoderm
42

All of the following are derived from the embryonic foregut except the (665)
A)esophagus
B)pancreas
C)liver
D)stomach
E)cecum
43

Which of the following is not a congenital disorder of the GI tract? (669)
A)esophageal atresia
B)cleft palate
C)pyloric stenosis
D)hepatoma
E)imperforate anus
44

Botulism is (669)
A)an inflammation of the intestinal mucosa
B)a type of food poisoning caused by a CLOSTRIDIUM bacterium
C)a type of food poisoning caused by a SALMONELLA bacterium
D)an inflammation of the gastric mucosa
45

Inflammation of the liver is called (670)
A)jaundice
B)cirrhosis
C)cholelithiasis
D)hepatitis
46

Peritonitis could affect each of the following organs except the (671)
A)esophagus
B)spleen
C)liver
D)cecum
E)stomach