Please answer all questions. The numbers at the end of each question refer to the textbook page where the question topic is discussed.
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1 | |
The swallowing of food or fluid from the mouth to the esophagus is called (635) |
| | A) | deglutition |
| | B) | ingestion |
| | C) | absorption |
| | D) | peristalsis |
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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 |
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3 | |
All of the following are accessory digestive organs except the (635) |
| | A) | teeth |
| | B) | spleen |
| | C) | liver |
| | D) | pancreas |
| | E) | salivary glands |
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4 | |
The abdominal wall is lined with the (636) |
| | A) | greater omentum |
| | B) | parietal peritoneum |
| | C) | mesentery |
| | D) | mesocolon |
| | E) | visceral serosa |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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11 | |
The teeth that are best adapted for shearing food are the (642) |
| | A) | canines |
| | B) | premolars |
| | C) | molars |
| | D) | incisors |
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12 | |
The number of teeth in a full set of permanent dentition is (642) |
| | A) | 20 |
| | B) | 24 |
| | C) | 30 |
| | D) | 32 |
| | E) | 34 |
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13 | |
Which type of teeth are not represented in deciduous dentition? (642) |
| | A) | molars |
| | B) | premolars |
| | C) | incisors |
| | D) | canines |
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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 |
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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. |
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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 |
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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 |
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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 |
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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 |
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20 | |
Which of the following is not a region of the stomach? (649) |
| | A) | antrum |
| | B) | cardia |
| | C) | fundus |
| | D) | body |
| | E) | pylorus |
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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 |
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22 | |
The small intestine is supported by (652) |
| | A) | ligaments |
| | B) | elastic fibers |
| | C) | omentum |
| | D) | mesentery |
| | E) | diaphragm |
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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 |
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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. |
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25 | |
Aggregates of lymph nodules within the walls of the ileum are called (653) |
| | A) | plicae |
| | B) | cisterna chyli |
| | C) | lacteals |
| | D) | mesenteric patches |
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26 | |
The brush border of the intestinal mucosa consists of (655) |
| | A) | hair cells |
| | B) | villi |
| | C) | cilia |
| | D) | flagella |
| | E) | microvilli |
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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 |
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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. |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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. |
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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 |
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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 |
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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 |
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40 | |
The exocrine secretory units of the pancreas are called (668) |
| | A) | islets cells |
| | B) | alpha cells |
| | C) | acini |
| | D) | beta cells |
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41 | |
The primitive gut is derived from (665) |
| | A) | ectoderm |
| | B) | mesoderm |
| | C) | endoderm |
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42 | |
All of the following are derived from the embryonic foregut except the (665) |
| | A) | esophagus |
| | B) | pancreas |
| | C) | liver |
| | D) | stomach |
| | E) | cecum |
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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 |
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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 |
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45 | |
Inflammation of the liver is called (670) |
| | A) | jaundice |
| | B) | cirrhosis |
| | C) | cholelithiasis |
| | D) | hepatitis |
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46 | |
Peritonitis could affect each of the following organs except the (671) |
| | A) | esophagus |
| | B) | spleen |
| | C) | liver |
| | D) | cecum |
| | E) | stomach |
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2002 McGraw-Hill Higher Education