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

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

<p>Counterregulatory hormones (C)</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 (D)</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 (D)</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 (A)</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) (C)</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 (A)</p> Signup and view all the answers

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