Hormones and Metabolic Regulation
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Questions and Answers

What is the primary effect of epinephrine on glucose metabolism?

  • Increase glucose uptake in cells
  • Stimulate protein synthesis
  • Promote glycogen synthesis
  • Enhance glycogenolysis and gluconeogenesis (correct)

What is the role of cortisol in fuel mobilization?

  • Decrease lipolysis
  • Facilitate the conversion of protein to glycogen (correct)
  • Stimulate cellular glucose uptake
  • Inhibit gluconeogenesis

Which hormone is responsible for decreasing appetite and increasing metabolism?

  • Leptin (correct)
  • Ghrelin
  • PYY-3-36
  • Orexin

What occurs in the absorptive state?

<p>Reactions that promote synthesis of glycogen, fats, and proteins are inhibited (C)</p> Signup and view all the answers

What is the primary effect of growth hormone on glucose metabolism?

<p>Enhance gluconeogenesis and lipolysis (C)</p> Signup and view all the answers

What is the primary effect of glucagon on glucose metabolism?

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

What is the primary source of energy during prolonged fasting?

<p>Metabolism of fats (B)</p> Signup and view all the answers

What is the role of insulin in glucose uptake by most cells?

<p>Insulin is required for glucose uptake by most cells except brain cells (D)</p> Signup and view all the answers

What is the consequence of oxaloacetate deficiency during starvation?

<p>Limited entry of acetyl-CoA into the citric acid cycle (C)</p> Signup and view all the answers

What is the characteristic feature of Insulin Dependent Diabetes Mellitus (IDDM) at the onset of the disorder?

<p>Insulinitis with pancreatic mononuclear cell infiltration (B)</p> Signup and view all the answers

What is the age range when 90% of Insulin Dependent Diabetes Mellitus (IDDM) cases typically begin?

<p>Between 10 and 14 years of age (A)</p> Signup and view all the answers

What is the result of the metabolism of fats during prolonged fasting?

<p>Production of large amounts of ketoacids (D)</p> Signup and view all the answers

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