Question 1

Cholecystokinin

Accepted Answer

A)   Inhibits gastric juice secretion
B)   Inhibits pancreatic juice secretion
C)   Stimulates antigen endocytosis
D)   Stimulates lysozyme secretion
E)   Stimulates the gallbladder to secrete bile E

Question 2

All of the following cell types participate in the immunity of the intestine EXCEPT

Accepted Answer

A)   Eosinophils
B)   Macrophages
C)   Mast cells
D)   Neutrophils
E)   Plasma cells D

Question 3

Where are electrolytes actively absorbed, and where is water passively absorbed?

Accepted Answer

A)   Duodenum
B)   Ileum
C)   Jejunum
D)   Large intestine
E)   Stomach D

Question 4

The ____ secrete(s) an alkaline fluid to protect the duodenum from acidic chyme.

Accepted Answer

A)   Brunner's glands
B)   Gallbladder
C)   Goblet cells
D)   Liver
E)   Peyer's patches

Question 5

Which of the following are not mucosal specializations of the small intestine?

Accepted Answer

A)   Peyer's patches
B)   Villi
C)   Plicae circulares
D)   Microvilli
E)   Rugae

Question 6

Which of the following cell types is not found in the small intestine epithelium?

Accepted Answer

A)   Enterocytes
B)   Microfold cells
C)   Paneth cells
D)   Parietal cells
E)   None of the above (all of the above cells are found in the small intestine epithelium)

Question 7

Which of the following is not true of the crypts of Lieberkühn?

Accepted Answer

A)   Their bases may contain Paneth cells
B)   They are found between the intestinal villi
C)   They are intestinal glands
D)   They are simple tubular glands
E)   They are unique to the small intestine

Question 8

Which of the following is characteristic of the ileum but not of the duodenum or jejunum?

Accepted Answer

A)   Brunner's glands
B)   Leaf-shaped villi
C)   Glandless submucosa
D)   Paneth cells
E)   Peyer's patches

Question 9

Fat-filled pouches in the large intestinal adventitia are called

Accepted Answer

A)   Appendices epiploicae
B)   Peyer's patches
C)   Plicae circulares
D)   Rugae
E)   Taeniae coli

Exam 16: Lower Digestive Segment