101.  Enzymes secreted by the small intestine include  
A.  disaccharidases.
B.  secretin.
C.  cholecystokinin.
D.  bile.
E.  histamine.

102.  The villi, microvilli and plicae circularis function to  
A.  liberate hormones.
B.  promote peristalsis.
C.  produce bile.
D.  increase surface area for absorption.
E.  stimulate chemical digestion.

103.  The hepatopancreatic ampulla is formed by the union of the  
A.  pancreatic duct with the lacteals.
B.  greater duodenal papilla with the lesser duodenal papilla.
C.  common bile duct and pancreatic duct.
D.  cystic duct and interlobular duct.
E.  hepatic ducts and cystic ducts.

104.  Which layer of the small intestine wall contains cells with microvilli?  
A.  submucosa
B.  mucosa
C.  muscularis
D.  serosa
E.  adventitia

105.  What portion of the small intestine is most distal from the pylorus of the stomach?  
A.  jejunum
B.  duodenum
C.  ileum
D.  common bile duct
E.  hepatopancreatic ampulla

106.  Which of the following cell types is correctly matched with its function?  
A.  endocrine cells – produce mucus
B.  absorptive cells – produce digestive enzymes
C.  granular cells – absorb nutrients
D.  goblet cells – produce hormones
E.  granular cells – produce granules

107.  Blockage of the ileocecal valve would prevent  
A.  pancreatic juice from entering the duodenum.
B.  bile from entering the duodenum.
C.  lymph from entering the jejunum.
D.  chyme from entering the ileum.
E.  chyme from entering the large intestine.

108.  What is found in an intestinal villus?  
A.  brush border
B.  digestive enzymes
C.  blood capillaries and a lacteal
D.  Peyer patches and a lacteal

109.  Where does the majority of nutrient absorption occur?  
A.  the stomach and duodenum 
B.  the duodenum and ileum
C.  the jejunum and duodenum
D.  the ileum and jejunum

110.  What is the purpose of segmental contractions of the small intestine?  
A.  propelling the chyme forward
B.  mixing of intestinal contents
C.  moving intestinal contents into the colon
D.  stretching the intestinal wall