Digestive 2
Gastric and Intestinal Anatomy Quiz
Test your knowledge on the structure and fun
Challenge yourself with statements on:
- Gastric glands and cells
- Intestinal villi and enterocytes
- Lipid absorption mechanisms
Each of the following statements concerning the gastric mucosa is true, EXCEPT
Gastric pits form its microrelief
Is covered with simple columnar mucous epithelium
Possesses its own nerve plexus
Its lamina propria contains simple tubular glands
Each of the following statements concerning the gastric fundic glands is true, EXCEPT
Occur in the submucosa
Are simple tubular and slightly branched
Secrete gastric juice
Consist of five cell types
The gastric fundic glands consist of the following cells, EXCEPT
Chief cells
Parietal cells
Mucous neck cells
Goblet cells.
Each of the following statements concerning the parietal cells of the gastric glands is true, EXCEPT
Secrete hydrochloric acid
Secrete pepsinogen
Their activity is stimulated by gastrin, histamine, and acetylcholine
Secrete an intrinsic factor
Each of the following statements concerning the pyloric region of the stomach is true, EXCEPT:
Pyloric gastric pits are deep and occupy about half of the mucosa thickness
Pyloric glands are tubular branched
Pyloric glands are tubular branched
Pyloric glands contain parietal cells
Each of the following statements concerning the undifferentiated cells of the gastric glands is true, EXCEPT
Are located mainly in the neck region of the glands
Are absent in the pyloric glands
Give rise to all glandular cell types
Serve for renewal of gastric surface epithelium
Each of the following statements concerning the intestinal villus is true, EXCEPT
Each of the following statements concerning the intestinal villus is true, EXCEPT
Contains fenestrated sinusoidal blood capillaries
Contains a blind-ending lymphatic capillary called the lacteal
Lacks the covering epithelium
Each of the following statements concerning the enterocytes of the small intestine epithelium is true, EXCEPT
Are tall columnar
Lack microvilli
Are specialized for absorption and transport of substances from the gut lumen to circulation
Enterocyte junctions establish a barrier between the lumen and the intercellular compartment
Each of the following statements concerning the lipid absorption in the small intestine is true, EXCEPT
Enterocytes absorb fatty acids and glycerol from the lumen
Enterocytes resynthesize neutral fat
Neutral fat is transported into the lacteal
Neutral fat is transported into the blood capillaries
Each of the following statements concerning the Paneth cells of the small intestine mucosa is true, EXCEPT
Are located in villus epithelium
Have large acidophilic apical granules
Their granules contain the antibacterial enzyme lysozyme
Their lysozyme digests cell walls of certain bacteria
Each of the following statements concerning the renewal of the intestinal epithelium is true, EXCEPT
All mature cells arise from the common stem (intermediate) cells
Intermediate cells are located in the lower half of crypts
Epithelial cells, except Paneth cells, migrate from crypts onto villi
Paneth cells are stem cells for intestinal epithelium
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