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Challenge Yourself
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1
Which organ is located in the right upper quadrant of the abdomen?
A)liver
B)spleen
C)descending colon
D)appendix
2
The _____ cells of the stomach secrete hydrochloric acid (HCI).
A)chief
B)parietal
C)mucous
D)enteroendocrine
3
Material leaving the ascending colon next enters the
A)cecum.
B)descending colon.
C)sigmoid colon.
D)transverse colon.
4
Which organ is retroperitoneal?
A)stomach
B)transverse colon
C)descending colon
D)ileum
5
Sympathetic innervation of the GI tract is responsible for
A)closing the pyloric sphincter.
B)stimulating peristalsis.
C)stimulating secretion of the pancreatic acinar cells.
D)vasodilating the major digestive system blood vessels.
6
The _____ is derived from the cranial part of the primary intestinal loop.
A)jejunum
B)cecum
C)ascending colon
D)appendix
7
The main pancreatic duct merges with the _____, and their contents empty into the duodenum through the major duodenal papilla.
A)left hepatic duct
B)common bile duct
C)cystic duct
D)common hepatic duct
8
Which statement is false about pancreatic juice?
A)It is secreted through the main pancreatic duct into the duodenum.
B)It is responsible for emulsifying (breaking down) fats.
C)It is produced by the acinar cells of the pancreas.
D)The juice has an alkaline pH.
9
The "living" part of a tooth is the
A)dentin.
B)cementum.
C)pulp.
D)enamel.
10
Most of the chemical digestion of our food occurs within the
A)large intestine.
B)pancreas.
C)small intestine.
D)esophagus.





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