The Glucagon Quiz
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Questions and Answers

Which of the following is NOT a hormone secreted by the endocrine pancreas?

  • Amylase (correct)
  • Somatostatin
  • Insulin
  • Glucagon

    • Which cells in the islets of Langerhans secrete insulin and amylin?

  • A cells
  • D cells
  • G cells
  • B cells (correct)

    • Which hormone is responsible for mobilizing glycogen, fat, and protein as energy sources?

  • Insulin
  • Somatostatin
  • Amylin
  • Glucagon (correct)

    • Which organ is the major target of glucagon?

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

    Which hormone inhibits glucagon secretion?

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

    What is the normal fasting plasma glucose concentration?

    <p>70-99 mg/dl</p> Signup and view all the answers

    Which type of diabetes is characterized by insulin deficiency?

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

    Which organ catabolizes 50% of the secreted insulin on its first pass?

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

    What is the half-life of insulin?

    <p>3-5 minutes</p> Signup and view all the answers

    Which hormone stimulates insulin secretion?

    <p>Glucagon-like peptide1 (GLP-1)</p> Signup and view all the answers

    Which of the following is a cause of hypoglycemia?

    <p>Alcohol intake</p> Signup and view all the answers

    Which of the following is a clinical manifestation of hyperglycemia?

    <p>Polyuria and polydipsia</p> Signup and view all the answers

    Which hormone increases plasma glucose levels by stimulating glycogenolysis and inhibiting insulin secretion?

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

    What is the hormonal response to hypoglycemia that may slow mental processes, cause confusion, and coma?

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

    Which hormone is responsible for mobilizing glycogen, fat, and protein as energy sources?

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

    Which hormone inhibits secretion of pancreatic hormones?

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

    Which cells in the islets of Langerhans secrete insulin and amylin?

    <p>B (β) cells</p> Signup and view all the answers

    Which hormone is responsible for increasing plasma levels of glucose and free fatty acids, while decreasing amino acid levels?

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

    What is the major signal for the release of glucagon?

    <p>Low plasma glucose levels</p> Signup and view all the answers

    Which hormone inhibits glucagon secretion?

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

    What is the normal fasting plasma glucose concentration?

    <p>70-99 mg/dl</p> Signup and view all the answers

    Which of the following is NOT a cause of hypoglycemia?

    <p>Liver, kidney, or heart disorders</p> Signup and view all the answers

    Which of the following is NOT a clinical manifestation of hyperglycemia?

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

    Which hormone is responsible for mobilizing glycogen, fat, and protein as energy sources?

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

    What is the normal fasting plasma glucose concentration?

    <p>70-100 mg/dL</p> Signup and view all the answers

    Which of the following is true about C-peptide?

    <p>C-peptide is released in equimolar amounts with insulin</p> Signup and view all the answers

    Which of the following is a function of C-peptide?

    <p>Reducing glomerular hyperfiltration</p> Signup and view all the answers

    Which of the following is a stimulator of insulin secretion?

    <p>Glucagon-like peptide 1 (GLP-1)</p> Signup and view all the answers

    Which of the following is true about insulin receptors?

    <p>Insulin receptors activate insulin-receptor substrate</p> Signup and view all the answers

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