Pancreas


 
 
Concept Explanation
 

Pancreas

Pancreas

The pancreas is located in the abdomen and placed between stomach and spleen. It is a leaf shaped green coloured organ. It is called as a mixed gland as it has both endocrine and exocrine parts. 

Function of Pancreas

Pancreas secrete pancreatic juice which is carried by the pancreatic duct into the duodenum. Pancreatic juice contains a number of digestive enzymes such as

  • ‘amylase’ for the splitting of polysaccharides (carbohydrate)
  • ‘lipase’ for the breakdown of fats, and ‘
  • trypsin and chymotrypsin’ for the breakdown of proteins. These enzymes catalyze the breakdown of their substrates in an alkaline medium. But the catalysis does not completely break all the substrates into their simplest form.
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    Sample Questions
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    Question : 1

    Which of the following are correct ?

    (a) The exocrine glands include the thyroid glands, pituitary  gland and glands within the gastrointestinal tract.

     (b) The pancreas consists of exocrine glands that produce enzymes. 

     (c) These enzymes contain chymotrypsin and trypsin to digest proteins, amylase for the digestion of carbohydrates and lipase to break down fats.

    Right Option : B
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    Question : 2

    The endocrine part of the pancreas release ________________ and glucagon directly into the bloodstream.

    Right Option : B
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    Explanation
    Question : 3

    Which of the following are correct ?

    (a) The pancreas is located in the abdomen and placed between stomach and spleen.

    (b) Pancreas secrete pancreatic juice which is carried by the pancreatic duct into the duodenum.

    Right Option : C
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    Explanation
     
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