Metabolic Stress and Hormonal Regulation Quiz
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Questions and Answers

Which hormone promotes gluconeogenesis, amino acid uptake by the liver, ureagenesis, and protein catabolism?

  • Insulin
  • Estrogen
  • Glucagon (correct)
  • Testosterone

    • What is the primary effect of cortisol on skeletal muscle and hepatic use of amino acids?

  • Has no effect on skeletal muscle or hepatic use of amino acids
  • Reduces skeletal muscle catabolism and inhibits hepatic use of amino acids for gluconeogenesis
  • Promotes skeletal muscle anabolism and inhibits hepatic use of amino acids for gluconeogenesis
  • Enhances skeletal muscle catabolism and promotes hepatic use of amino acids for gluconeogenesis (correct)

    • What is the source of energy for skeletal muscle during increased energy production after injury or sepsis?

  • Ketone bodies
  • Fatty acids
  • Glucose
  • Branched-chain amino acids (BCAAs) (correct)

    • What is the primary impact of metabolic stress on the use of carbohydrate, protein, fat, and oxygen?

    <p>Increased flow of substrate but poor use of carbohydrate, protein, fat, and oxygen</p> Signup and view all the answers

    Which hormones play a role in the accelerated proteolysis after injury and sepsis?

    <p>Counterregulatory hormones</p> Signup and view all the answers

    What is the primary role of counterregulatory hormones in the context of injury and sepsis?

    <p>Promote accelerated proteolysis</p> Signup and view all the answers

    How does glucagon primarily affect amino acids in the liver?

    <p>Promotes amino acid uptake by the liver</p> Signup and view all the answers

    What is the main impact of cortisol on skeletal muscle and hepatic amino acid utilization?

    <p>Enhances skeletal muscle catabolism and promotes hepatic use of amino acids</p> Signup and view all the answers

    What is the primary source of energy for skeletal muscle during increased energy production after injury or sepsis?

    <p>Branched-chain amino acids (BCAAs)</p> Signup and view all the answers

    What is the main effect of metabolic stress on energy production and substrate utilization?

    <p>Energy production increasingly depends on protein</p> Signup and view all the answers

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