Endocrine Pancreas and Insulin Signaling Quiz
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Questions and Answers

Which hormone is antagonistic to the effects of insulin?

  • Leptin
  • Amylin
  • Adiponectin
  • Glucagon (correct)
  • What is the main function of amylin in regulating blood glucose concentration?

  • Enhancing insulin sensitivity
  • Promoting glycogen breakdown
  • Delaying gastric emptying (correct)
  • Stimulating glucagon secretion
  • Which of the following tissues requires insulin for glucose transport?

  • Brain
  • Muscle
  • Liver (correct)
  • Red blood cells
  • What factors affect insulin sensitivity in a cell?

    <p>Weight and physical activity</p> Signup and view all the answers

    Which hormone is co-secreted with insulin by beta cells in response to nutrient stimuli?

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

    What is the main role of insulin in adipose tissue?

    <p>Stimulating lipogenesis</p> Signup and view all the answers

    What hormone is released by F cells in response to hypoglycemia and protein-rich meals?

    <p>Pancreatic polypeptide</p> Signup and view all the answers

    What is the hormone that inhibits gallbladder contraction and exocrine pancreas secretion?

    <p>Pancreatic polypeptide</p> Signup and view all the answers

    What type of diabetes mellitus results from defects in both insulin secretion and insulin action?

    <p>Type 2</p> Signup and view all the answers

    Which hormone is involved in immunologically mediated beta cell destruction and apoptosis?

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

    What are the pathologies characteristic of Type 2 Diabetes mellitus?

    <p>Decreased insulin secretion and insulin resistance</p> Signup and view all the answers

    Which genetic-environmental interaction can cause Type 2 Diabetes mellitus?

    <p>Genetic-environmental interaction</p> Signup and view all the answers

    Which hormone is secreted by delta cells in the islets of Langerhans?

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

    What is the primary stimulus for insulin secretion?

    <p>Increase in blood glucose levels</p> Signup and view all the answers

    Which hormone is secreted along with insulin by beta cells in the pancreas?

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

    What is the precursor molecule from which insulin is synthesized?

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

    Which factor stimulates insulin secretion before a meal?

    <p>Parasympathetic nervous system</p> Signup and view all the answers

    What causes a decrease in insulin secretion?

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

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