Levothyroxine Dosage Quiz
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Questions and Answers

What is the mechanism of action of levothyroxine?

  • It reduces the endogenous thyroid hormones
  • It replaces thyroid hormone and decreases the levels of T4
  • It decreases the levels of T4
  • It replaces thyroid hormone and increases the levels of T4 (correct)

What is the unit of dosage for levothyroxine?

  • Milligrams
  • Micrograms (correct)
  • Kilograms
  • Grams

What happens if a dose of 150 mg of levothyroxine is administered instead of 150 mcg?

  • The patient receives a dose 1,000 times what they should receive (correct)
  • The patient receives half the dose they should receive
  • The patient receives a dose 500 times what they should receive
  • The patient receives the correct dose

What are the side effects of levothyroxine?

<p>Heat intolerance, weight loss, diarrhea, insomnia, irritability, tachycardia, angina, and palpitations (D)</p> Signup and view all the answers

What is the similarity between the side effects of levothyroxine and the clinical manifestations of hyperthyroidism?

<p>They are similar because levothyroxine replaces thyroid hormone (C)</p> Signup and view all the answers

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