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

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

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

Which clinical manifestation might hint at primary adrenal insufficiency?

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

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

<p>Hepatitis and cholestasis (D)</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 (C)</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 (D)</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 (B)</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 (B)</p> Signup and view all the answers

Why does deficiency of brain glucose transporters result in seizures?

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

Which hormones increase blood glucose concentrations by activating glycogenolytic enzymes?

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

Which hormones inhibit glucose uptake by muscles during hypoglycemia?

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

What hormone activates lipolysis during hypoglycemia?

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

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