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 (A)</p> Signup and view all the answers

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

<p>Amylin (A)</p> Signup and view all the answers

What is the main role of insulin in adipose tissue?

<p>Stimulating lipogenesis (B)</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 (D)</p> Signup and view all the answers

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

<p>Pancreatic polypeptide (A)</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 (D)</p> Signup and view all the answers

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

<p>Insulin (D)</p> Signup and view all the answers

What are the pathologies characteristic of Type 2 Diabetes mellitus?

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

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

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

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

<p>Somatostatin (A)</p> Signup and view all the answers

What is the primary stimulus for insulin secretion?

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

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

<p>Amylin (D)</p> Signup and view all the answers

What is the precursor molecule from which insulin is synthesized?

<p>Proinsulin (A)</p> Signup and view all the answers

Which factor stimulates insulin secretion before a meal?

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

What causes a decrease in insulin secretion?

<p>Hypoglycemia (D)</p> Signup and view all the answers

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