Protoporphyria Treatment and Management Quiz
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Questions and Answers

What is a common manifestation of hyperinsulinemia in infants born to diabetic mothers?

  • Episodes of sweating
  • Large body size (correct)
  • Hypothermia
  • Sudden pallor

    • Which of the following can result from an exuberant insulin release in hypoglycemic infants?

  • Sudden pallor
  • Rebound hypoglycemia (correct)
  • Hyperglycemia
  • Episodes of sweating

    • What hormone surge is subnormal in infants immediately after birth?

  • Cortisol
  • Epinephrine
  • Glucagon (correct)
  • Insulin

    • What is a potential consequence of excessive sympathetic activity in hypoglycemic infants?

    <p>Adrenomedullary exhaustion</p> Signup and view all the answers

    What is the main cause of hypoglycemia associated with endocrine deficiency?

    <p>Adrenal cortisol insufficiency</p> Signup and view all the answers

    Which clinical manifestation might hint at primary adrenal insufficiency?

    <p>Weakness or salt craving</p> Signup and view all the answers

    In newborns with hypopituitarism, what might be an additional clinical presentation besides hypoglycemia?

    <p>Hepatitis and cholestasis</p> Signup and view all the answers

    What is a possible cause of hypoglycemia in cortisol-GH deficiency?

    <p>Decreased gluconeogenic enzymes with cortisol deficiency</p> Signup and view all the answers

    Which of the following is a characteristic of Addison's Disease?

    <p>Defect in the adrenal receptor for ACTH</p> Signup and view all the answers

    How do counter-regulatory hormones influence glucose levels during a hypoglycemic episode?

    <p>By raising blood glucose levels</p> Signup and view all the answers

    What is the central role of glucose in fuel economy?

    <p>Provides 38 mol of ATP per mole of glucose oxidized</p> Signup and view all the answers

    Why does deficiency of brain glucose transporters result in seizures?

    <p>Low cerebral CSF glucose concentrations</p> Signup and view all the answers

    Which hormones increase blood glucose concentrations by activating glycogenolytic enzymes?

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

    What clinical features are generally associated with hypoglycemia due to decreased cerebral glucose utilization?

    <p>Symptoms from cerebral glucopenia</p> Signup and view all the answers

    Which hormones inhibit glucose uptake by muscles during hypoglycemia?

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

    What hormone activates lipolysis during hypoglycemia?

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

    Why do patients with cerebral glucopenia experience symptoms during hypoglycemia?

    <p>Caused by decreased glucose utilization in the brain</p> Signup and view all the answers

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