Q. No.Digestion of polymers is brought about by:
1. polymerization
2. absorption
3. condensation
4. hydrolysis
1. polymerization
2. absorption
3. condensation
4. hydrolysis
An accessory digestive gland amongst the following would be:
1. Pyloric glands
2. Crypts of Lieberkuhn
3. Salivary glands
4. Oxyntic glands
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Which layer in the wall of the gastrointestinal tract has an inner circular and outer longitudinal layer?
| 1. lamina propria | 2. muscularis mucosa |
| 3. submucosa | 4. muscularis |
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Most of the parasympathetic supply to the alimentary canal is by:
1. vagus nerve
2. thoracic spinal nerves
3. lumbar spinal nerves
4. sacral spinal nerves
What prevents GER [gastro esophageal reflux]?
1. lower esophageal sphincter
2. sphincter of Oddi
3. esophageal hiatus
4. glottis
A column-shaped cell found in the respiratory and intestinal tracts, which secretes the main component of mucus, is the:
| 1. G cell | 2. enterochromaffin-like cell |
| 3. parietal cell | 4. goblet cell |
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Perhaps the only function of stomach that appears to be essential for life is the:
1. bactericidal action of HCl
2. digestion of proteins
3. absorption of drugs like acetyl salicylic acid
4. secretion of intrinsic factor
The part of the small intestine that has maximum length is the:
1. duodenum
2. jejunum
3. ileum
4. colon
The term brush border refers to:
| 1. ciliated epithelium | 2. transitional epithelium |
| 3. microvilli | 4. villi |
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Identify a brush border enzyme amongst the following:
1. rennin
2. lactase
3. trypsin
4. pancreatic amylase
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