Thyroid-Stimulating Hormone (TSH) Quiz
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Questions and Answers

Which of the following hormones has the same alpha subunit as TSH but a different beta chain?

  • Thyroid-stimulating hormone (TSH)
  • Luteinizing hormone (LH) (correct)
  • Follicle-stimulating hormone (FSH)
  • Human chorionic gonadotropin (HCG)

    • What is the primary stimulus for thyroid hormone production by the thyroid gland?

  • Thyroid-stimulating hormone (TSH) (correct)
  • Luteinizing hormone (LH)
  • Human chorionic gonadotropin (HCG)
  • Follicle-stimulating hormone (FSH)

    • What does a gain in function mutation of the TSH receptor result in?

  • Diabetes insipidus
  • Addison's disease
  • Hypothyroidism
  • Hyperthyroidism (correct)

    • What are the two main components of T3 and T4?

    <p>$Iodine$ and $tyrosine$</p> Signup and view all the answers

    Which G-protein coupled receptor is activated by TSH on the basolateral surface of thyroid follicular cells?

    <p>TSH receptor (TSHR)</p> Signup and view all the answers

    Which medical condition can lead to secondary hyperthyroidism?

    <p>TSH-secreting tumor</p> Signup and view all the answers

    What is the most common cause of hypothyroidism?

    <p>Hashimoto thyroiditis</p> Signup and view all the answers

    In primary hyperthyroidism, what happens to TSH levels?

    <p>Tend to decrease</p> Signup and view all the answers

    What are symptoms of hyperthyroidism?

    <p>Weight loss, increased appetite, and heat sensitivity</p> Signup and view all the answers

    What characterizes hypothyroidism?

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

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