Pancreatic Hormones and Antidiabetic Drugs Quiz
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Questions and Answers

What is the molecular weight of human insulin?

  • 5000
  • 7000
  • 5808 (correct)
  • 6000
  • How many amino acids does insulin contain?

  • 55
  • 49
  • 45
  • 51 (correct)
  • Where is proinsulin processed within the cell?

  • Golgi apparatus (correct)
  • Lysosomes
  • Endoplasmic reticulum
  • Nucleus
  • In response to insulin secretagogues, what is the ratio of secretion between insulin and C-peptide?

    <p>Equimolar</p> Signup and view all the answers

    What are the two products of proinsulin hydrolysis?

    <p>Insulin and C-peptide</p> Signup and view all the answers

    What is the molecular weight of human insulin?

    <p>5808</p> Signup and view all the answers

    What are the two chains in insulin linked by?

    <p>Disulfide bridges</p> Signup and view all the answers

    Where is proinsulin processed within the cell?

    <p>Golgi apparatus</p> Signup and view all the answers

    What are the products of proinsulin hydrolysis?

    <p>Insulin and C-peptide</p> Signup and view all the answers

    In response to insulin secretagogues, what is the ratio of secretion between insulin and C-peptide?

    <p>Equimolar</p> Signup and view all the answers

    Study Notes

    The Endocrine Pancreas

    • The adult human endocrine pancreas consists of approximately 1 million islets of Langerhans scattered throughout the pancreatic gland.
    • Each islet contains at least five hormone-producing cell types.

    Hormones Produced by the Islets of Langerhans

    • Insulin: the storage and anabolic hormone of the body.
    • Islet amyloid polypeptide (IAPP or amylin): modulates appetite, gastric emptying, and glucagon and insulin secretion.
    • Glucagon: the hyperglycemic factor that mobilizes glycogen stores.
    • Somatostatin: a universal inhibitor of secretory cells.
    • Pancreatic peptide: a small protein that facilitates digestive processes by a mechanism not yet clarified.
    • Ghrelin: a peptide known to increase pituitary growth hormone release.

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    Description

    Test your knowledge of pancreatic hormones and antidiabetic drugs with this quiz. Learn about the endocrine pancreas, islets of Langerhans, and the hormone products including insulin.

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