Term
The lining of the stomach...
A) is composed of simple columnar cells.
B) is constantly replaced.
C) is covered by thick, viscous mucus.
D) has folds called rugae
E) has all of the attributes above. |
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Definition
| E) has all of the attributes above. |
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Term
The correct order of the digestive tube layers, from lumen outward, is:
(1) mucosa (2) muscularis externa 3) serosa (4) submucosa
A) 3, 1, 2, 4
B) 1, 4, 2, 3
C) 4, 2, 3, 1
D) 4, 1, 2, 3
E) 1, 4, 3, 2 |
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Definition
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Term
Which of the following is not part of the digestive tract?
A) stomach
B) intestine
C) spleen
D) esophagus
E) pharynx |
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Definition
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Term
Sandwiched between the layer of circular and longitudinal muscle in the muscularis externa is the...
A) myenteric plexus.
B) mucosa.
C) submucosa.
D) mesocolon.
E) muscularis mucosa. |
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Definition
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Term
Functions of the gallbladder include...
A) secretion of gastrin, a a stomach hormone.
B) storage of bile.
C) secretion of acids to assist the duodenum in breakdown of lipids.
D) secretion of bile.
E) all of the above. |
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Definition
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Term
The muscular layer nearest the lumen is (the)...
A) oblique layer of the muscularis externa.
B) circular layer of the muscularis externa.
C) longitudinal layer of the muscularis externa.
D) muscularis mucosae.
E) none of the above. |
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Definition
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Term
Which of the following are true of the mesenteries?
(1) They are sheets of serous membrane.
(2) They suspend portions of the digestive tract within the peritoneal cavity.
(3) They are double sheets of peritoneal membrane.
(4) They provide an access route to digestive structures for nerves, lymphatics and blood vessels.
(5) They provide proprioceptive information to the spinal cord regarding the digestive organs.
A) All of the above are true.
B) None of the above are true.
C) 2, 4, and 5 are true.
D) 1, 3, and 5 are true.
E) 1, 2, 3, and 4 are true. |
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Definition
| E) 1, 2, 3, and 4 are true. |
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Term
In area where the digestive tract is not covered in serosa, it is covered by a fibrous connective tissue called...
A) the plexus of Auerbach.
B) mucosa.
C) peritoneum.
D) adventitia.
E) none of the above. |
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Definition
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Term
A retroperitoneal structure...
A) has only its anterior surface covered by peritoneum.
B) is covered by both the greater and lesser omenta.
C) is encased within teh lesser omentum.
D) has greater freedom of movement than an organ enclosed by the mesenteries.
E) has none of the above attributes. |
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Definition
| A) has only its anterior surface covered by peritoneum. |
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Term
Which of the following are salivary glands?
(1) parotid
(2) sublingual
(3) submandibular
(4) geniculate
(5) maxillary
A) all of the above
B) none of the above
C) 2, 4
D) 1, 2, 3
E) 3, 4, 5 |
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Definition
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Term
The tissue that suspends the transverse colon in the abdominal cavity is (the)...
A) greater omentum.
B) lesser omentum.
C) transverse mesocolon.
D) mesentary.
E) none of the above. |
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Definition
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Term
The esophagus...
A) is a hollow muscular tube that connects the pharynx to the stomach.
B) always remains open.
C) is under both voluntary and autonomic nervous control.
D) is reinforced by cartilaginous structures.
E) has all of the above attributes. |
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Definition
| A) is a hollow muscular tube that connects the pharynx to the stomach. |
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Term
The tongue has bumps called the...
A) papillae.
B) frenulum.
C) septa.
D) lingum.
E) body. |
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Definition
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Term
Which of the following is a small intestine feature that increases surface area for digestion and absorption?
A) microvilli
B) omentum
C) rugae
D) taeniaecoli
E) all of the above |
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Definition
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Term
The first intestinal segment entered by materials that leave the stomach through the pylorus is (the)...
A) jejunum.
B) duodenum.
C) ileum.
D) gallbladder.
E) none of the above. |
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Definition
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Term
The hardest substance in the body is...
A) pulp.
B) cementum.
C) enamel.
D) dentin.
E) bone. |
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Definition
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Term
Which of the following is not an accessory digestive organ?
A) spleen
B) gallbladder
C) liver
D) pancreas
E) salivary gland |
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Definition
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Term
Structures that unite to form the common bile duct include:
(1) hepatopancreatic sphincter
(2) porta hepatis
(3) cystic duct
(4) common hepatic duct
(5) duodenal papilla
A) 1, 3, 5
B) 1, 2, 3
C) 1, 2
D) 3, 4
E) 2, 4 |
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Definition
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Term
The visible portion of a tooth is the...
A) crown.
B) root.
C) head.
D) neck.
E) body. |
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Definition
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Term
The head of the pancreas is most closely associated with the...
A) descending colon.
B) posterior surface of the spleen.
C) inferior surface of the liver.
D) curve of the duodenum.
E) body of the gallbladder. |
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Definition
| D) curve of the duodenum. |
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Term
The basic functional unit of the liver is (the)...
A) falciform, round, and coronary ligaments.
B) hepatocyte.
C) liver lobule.
D) stellate reticuloendothelial cells.
E) none of the above. |
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Definition
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Term
A hepatic (portal) triad consists of branches of the...
A) central vein, hepatic vein, bile duct.
B) hepatic portal vein, central vein, hepatic artery.
C) hepatic artery, central vein, bile duct.
D) hepatic portal vein, hepatic artery, hepatic vein.
E) hepatic portal vein, hepatic artery, bile duct. |
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Definition
| E) hepatic portal vein, hepatic artery, bile duct. |
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Term
Chief cells secrete...
A) pepsin.
B) HCl
C) pepsinogen.
D) gastrin.
E) mucus. |
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Definition
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Term
The opening in the diaphragm that the esophagus passes through is (the)...
A) cardiac sphincter.
B) hilus.
C) hiatus.
D) crus.
E) none of the above. |
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Definition
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Term
The longest portion of the small intestine is the...
A) colon.
B) appendix.
C) jejunum.
D) ilium.
E) duodenum. |
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Definition
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