Deck 16: Lower Digestive Segment

Question 1

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

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

Answer 1

A
Brunner's glands

Question 2

Which of the following are not mucosal specializations of the small intestine?
A) Peyer's patches

A) Villi
B) Plicae circulares
C) Microvilli
D) Rugae

Answer 2

E
Rugae

Question 3

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

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

Answer 3

D
Parietal cells

Question 4

Which of the following is not true of the crypts of Lieberkühn?
A) Their bases may contain Paneth cells

A) They are found between the intestinal villi
B) They are intestinal glands
C) They are simple tubular glands
D) They are unique to the small intestine

Question 5

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

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

Question 6

Which of the following is characteristic of the ileum but not of the duodenum or jejunum?
A) Brunner's glands

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

Question 7

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

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

Question 8

Fat-filled pouches in the large intestinal adventitia are called

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

Question 9

Cholecystokinin
A) Inhibits gastric juice secretion

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