Q. No.The portion of a tooth that is embedded within the maxilla or mandible and is covered by gums is called as:
1. dentin
2. crown
3. root
4. cementum
1. dentin
2. crown
3. root
4. cementum
Calcified part of the human tooth that is most bone like is the:
1. enamel
2. cementum
3. dentin
4. pulp
The anatomic region of the stomach where the oesophagus opens into is:
1. cardiac
2. pyloric
3. fundus
4. corpus
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Parasympathetic stimulation of stomach leads to all the following except:
1. secretion of somatostatin
2. inhibition of somatostatin
3. secretion of gastrin
4. promotion of histamine
What is the approximate pH value at which the secretion of gastrin hormone stops?
1. 7.0
2. 4.5
3. 1.5
4. 3.0
Pancreatic secretions can be prevented from entering the duodenum by:
1. pyloric valve
2. sphincter of oddi
3. the common bile duct
4. cholecystokinin secretion
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A cause of pancreatitis can be autodigestion by the activation, within the pancreas, of:
1. bile
2. bacterial
3. carboxypeptidase
4. trypsin
The serous secretions [enzyme rich] are stimulated by the hormone:
1. cholecystokinin
2. secretin
3. enterogastrone
4. enterocrinin
The most metabolically active cells in the human body will be found in:
1. thyroid
2. liver
3. heart
4. small intestine
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