Hormone Synthesis and Release

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Questions and Answers

What is the percentage of cases of Cushing's syndrome caused by ectopic ACTH secretion by non-pituitary tumors?

  • 10-15% (correct)
  • 30-35%
  • 5-10%
  • 20-25%

What is the result of excess aldosterone secretion in the body?

  • Hypotension with hyperkalemia
  • Hypertension with hypokalemia (correct)
  • Hypotension with hypokalemia
  • Hypertension with edema

What is the term for the phenomenon where normal individuals excrete excess sodium when given excess aldosterone?

  • Conn's Syndrome
  • Cushing's Syndrome
  • Escape Phenomenon (correct)
  • Aldosterone Resistance

What is the cause of 65% of Primary Hyperaldosteronism cases?

<p>Small tumor arising from the zona glomerulosa (D)</p> Signup and view all the answers

What is the result of loss of feedback inhibition in Nelson's Syndrome?

<p>Intense skin pigmentation (B)</p> Signup and view all the answers

What is the laboratory finding in patients with Adrenal Adenoma, Carcinoma, and Cortical Hyperplasia?

<p>Increased cortisol levels and decreased ACTH levels (D)</p> Signup and view all the answers

What is the percentage of cases of Primary Hyperaldosteronism caused by hyperplastic adrenal cortices?

<p>30% (B)</p> Signup and view all the answers

What is the consequence of excess aldosterone secretion on potassium levels?

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

What is the term for the condition characterized by hypertension with hypokalemia due to excess aldosterone secretion?

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

What is the cause of 10-15% of cases of Cushing's syndrome?

<p>Ectopic ACTH secretion by non-pituitary tumors (B)</p> Signup and view all the answers

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