Introduction to Thyroid Disorders Exam Guidance
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Questions and Answers

Which thyroid hormone is significantly less biologically active than T3?

  • T4 (correct)
  • FT4
  • TSH
  • T3
  • What percentage of T3 and T4 is protein-bound?

  • T3: 99% T4: 50%
  • T3: <99% T4: 99%
  • T3: 99% T4: 99%
  • T3: 99% T4: <99% (correct)
  • What happens to only free (unbound) T3 and T4?

  • They diffuse into cells (correct)
  • They bind to proteins
  • They get stored in the liver
  • They break down immediately
  • Which hormone has a greater affinity for thyroid hormone receptors?

    <p>T3</p> Signup and view all the answers

    What does an increase in basal metabolic rate lead to?

    <p>Increase in oxygen consumption by tissues</p> Signup and view all the answers

    Which factor does thyroid hormones NOT affect according to the text?

    <p>Digestive function</p> Signup and view all the answers

    What does FT4 stand for in TFTs?

    <p>Free T4</p> Signup and view all the answers

    In the IBW calculation, how much weight do males gain for every inch over 5 feet?

    <p>2.3 Kg</p> Signup and view all the answers

    Which hormone is used to determine Hyper and Hypo states in TFTs?

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

    Which hormone's biological effects include regulating sleep and skin maintenance?

    <p>T3</p> Signup and view all the answers

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