Parathyroid Glands Anatomy

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Questions and Answers

What is the typical shape of the parathyroid glands?

  • Circular
  • Triangular
  • Flattened and oval (correct)
  • Rectangular

From which pharyngeal pouch do the superior parathyroid glands derive?

  • Sixth pharyngeal pouch
  • Fifth pharyngeal pouch
  • Third pharyngeal pouch
  • Fourth pharyngeal pouch (correct)

What is the primary artery responsible for the arterial supply of the parathyroid glands?

  • Inferior thyroid artery (correct)
  • Superior thyroid artery
  • Thyroid ima artery
  • Carotid artery

Where do the inferior parathyroid glands usually drain into?

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

In which nodes do the parathyroid glands drain lymphatically?

<p>Paratracheal and deep cervical nodes (C)</p> Signup and view all the answers

What is the origin of the sympathetic nerves that supply the parathyroid glands?

<p>Cervical ganglia (A)</p> Signup and view all the answers

What type of nerves are the sympathetic nerves that supply the parathyroid glands?

<p>Vasomotor nerves (A)</p> Signup and view all the answers

What is the risk of damaging or removing the parathyroid glands during surgery?

<p>High risk due to their posterior location (B)</p> Signup and view all the answers

What is the clinical consequence of a sudden drop in serum calcium levels?

<p>Tetany, muscle cramps, and paraesthesia (D)</p> Signup and view all the answers

Why is it standard post-operative practice to check parathyroid hormone and serum calcium levels after thyroid surgery?

<p>To monitor for hypocalcaemia (A)</p> Signup and view all the answers

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