EASY
Earn 100

Opening of duct formed by union of common bile duct and main pancreatic duct into duodenum is guarded by
(a)Pyloric sphincter
(b)Sphincter of Boyden
(c)Ileocaecal valve
(d)Sphincter of Oddi

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Important Questions on Digestion and Absorption
EASY
The enzyme that is not present in succus entericus is:

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Which of the following guards the opening of the hepatopancreatic duct into the duodenum?

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The enzyme enterokinase helps in conversion of

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Intrinsic factor that helps in the absorption of vitamin is secreted by:

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Which of the following options best represents the enzyme composition of pancreatic juice?

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The proteolytic enzyme rennin is found in:

EASY
Identify the correct statement with reference to human digestive system.

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The crypts of Lieberkuhn are found in which one of the following parts of the human digestive tract?

EASY
Which cells of 'Crypts of Lieberkuhn' secrete antibacterial lysozyme?

EASY
Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes.

MEDIUM
In a T. S. of the human small intestine, serosa is the outermost layer and is made up of a thin __A__. Muscularis is formed by the smooth muscles arranged outer __B__ and inner __C__. Sub-mucosa is formed by the __D__. Mucosa is the innermost layer made of __E__.

EASY
In the digestive system, the pH of the stomach and the intestine, respectively are:

EASY
Following are different layers in the wall of the alimentary canal of man
I) Longitudinal muscles
II) Mucosa
III) Serosa
IV) Circular muscles
V) Submucosa
Arrange them in the correct sequence from the outer to the inner side

EASY
The primary dentition in human differs from permanent dentition in not having one of the following types of teeth:

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Study the following diagram of human tongue and identify the part I, II, and III

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The first enzyme that the food encounters in human digestive system is

EASY
Removal of the pancreas impairs the breakdown of

EASY
Match the following structures with their respective location in organs:
Column – I | Column – II | ||
---|---|---|---|
Crypts of Lieberkuhn | Pancreas | ||
Glisson’s capsule | Duodenum | ||
Islets of Langerhans | Small intestine | ||
Brunner’s Glands | Liver |
Select the correct option.

MEDIUM
A baby boy aged two years is admitted to playing school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?

MEDIUM
Which of the following statements is not correct?

