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</p> Signup and view all the answers

    In which nodes do the parathyroid glands drain lymphatically?

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

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

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

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

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

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