Thyroid Nodule Diagnosis and Hyperthyroidism Causes
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Questions and Answers

What is the most common cause of thyrotoxicosis?

  • Pituitary adenoma
  • Thyroiditis
  • Exogenous thyroid hormone use
  • Graves' disease (correct)
  • What is the typical presentation in Graves' disease?

  • Low T4 and high TSH levels
  • High T4 and high TSH levels
  • Normal T4 and TSH levels
  • High T4 and low TSH levels (correct)
  • Which of the following is a symptom of hyperthyroidism that is NOT typically seen in patients?

  • Proptosis
  • Bradycardia (correct)
  • Pretibial Myxedema
  • Onycholysis
  • What is the main treatment modality for a diffuse goiter in hyperthyroidism?

    <p>Radioactive Iodine</p> Signup and view all the answers

    Which subtype of subacute thyroiditis is typically associated with post-partum presentation?

    <p>Painless (Silent)</p> Signup and view all the answers

    When approaching a solitary thyroid nodule, what is the recommended initial step before performing a biopsy?

    <p>Check for TSH/T4 levels</p> Signup and view all the answers

    Which test is used to diagnose panhypopituitarism?

    <p>Triple Bolus Test</p> Signup and view all the answers

    What hormone is increased in panhypopituitarism when Insulin is infused during the Triple Bolus Test?

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

    Which medication can cause a decrease in FSH and LH levels, mimicking hyperprolactinemia?

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

    What condition can be diagnosed by an initial hormone panel showing increased Prolactin levels?

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

    What is the treatment approach for panhypopituitarism?

    <p>Replace deficient hormones</p> Signup and view all the answers

    What diagnostic test is commonly used in the workup for a patient with hyperthyroidism to determine thyroid activity?

    <p>RAIU scan</p> Signup and view all the answers

    In a patient presenting with hyperthyroidism, which of the following symptoms should raise suspicion for a thyroid storm?

    <p>Extreme hyperthermia and tachycardia</p> Signup and view all the answers

    What is the most common cause of hyperthyroidism?

    <p>Grave's disease</p> Signup and view all the answers

    Which of the following treatments is NOT typically used for managing hyperthyroidism?

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

    In a patient with subacute thyroiditis, what is a common symptom that differentiates it from other forms of hyperthyroidism?

    <p>Tender thyroid gland</p> Signup and view all the answers

    Which diagnostic test is used to differentiate between a hot nodule and a cold nodule in the thyroid gland?

    <p>RAIU scan</p> Signup and view all the answers

    What treatment is specifically mentioned as a method to manage hyperthyroidism caused by Grave's disease?

    <p>$\text{Propylthiouracil}$</p> Signup and view all the answers

    What is the primary treatment for hypothyroidism?

    <p>$\text{Levothyroxine (L-Thyroxine)}$</p> Signup and view all the answers

    What is a characteristic feature of Hashimoto Thyroiditis, the most common cause of primary hypothyroidism in North America?

    <p>Cell-mediated destruction of thyroid follicles</p> Signup and view all the answers

    Which of the following conditions can lead to severe hypothyroidism known as Myxedema Coma?

    <p>Stress or trauma exposure</p> Signup and view all the answers

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