Thyroid Gland and Hormones Quiz
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Thyroid Gland and Hormones Quiz

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Questions and Answers

What is the mechanism of action of beta blockers in the treatment of thyroid conditions?

  • Inhibition of iodine absorption by the thyroid gland
  • Activating T4 to T3 conversion
  • Inhibition of adrenoreceptors (correct)
  • Stimulating thyroid hormone production

    • Which medication is commonly used for radioactive destruction of thyroid parenchyma?

  • Levothyroxine
  • Potassium iodide
  • Methimazole
  • Radioactive iodine (131I) (correct)

    • What is the function of Lugol's solution in the treatment of thyroid conditions?

  • Promote iodine absorption
  • Increase thyroid hormone production
  • Convert T4 to T3
  • Reduce gland size and vascularity (correct)

    • Which substance inhibits the conversion of T4 to T3 in the body?

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

    What is the generic name for Inderal, a beta blocker used in thyroid treatment?

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

    Which treatment involves radiation destruction of thyroid tissue?

    <p>Radioactive iodine (131I) therapy</p> Signup and view all the answers

    What is the primary pharmacological action of radioactive iodine (131I) in treating thyroid conditions?

    <p>Causing destruction of thyroid parenchyma</p> Signup and view all the answers

    What is the primary mechanism of action of propranolol (Inderal) in the treatment of thyroid conditions?

    <p>Inhibition of β-adrenoreceptors</p> Signup and view all the answers

    Which treatment modality is described as involving the 'radiation destruction of thyroid parenchyma'?

    <p>Radioactive iodine (131I) sodium</p> Signup and view all the answers

    Which substance is commonly used to reduce the size and vascularity of the thyroid gland?

    <p>Lugol's solution</p> Signup and view all the answers

    Which medication class is known to inhibit the conversion of T4 (thyroxine) to T3 (triiodothyronine)?

    <p>Beta blockers</p> Signup and view all the answers

    What is the primary pharmacological action of potassium iodide in the treatment of thyroid conditions?

    <p>Inhibition of thyroid hormone synthesis</p> Signup and view all the answers

    Which treatment modality is associated with the destruction of thyroid tissue through radiation?

    <p>Radioactive iodine (131I) sodium</p> Signup and view all the answers

    What is the primary mechanism of action of beta blockers in the management of hyperthyroidism?

    <p>Inhibition of β-adrenoreceptors</p> Signup and view all the answers

    Which substance is commonly used to reduce the size and vascularity of the thyroid gland, as well as inhibit thyroid hormone synthesis?

    <p>Lugol's solution</p> Signup and view all the answers

    Which medication class is known to inhibit the conversion of T4 (thyroxine) to T3 (triiodothyronine), thereby reducing the effects of excessive thyroid hormones?

    <p>Beta blockers</p> Signup and view all the answers

    Which treatment modality is associated with the destruction of thyroid tissue through radiation, and is often referred to as 'RAI'?

    <p>Radioactive iodine (131I) sodium</p> Signup and view all the answers

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