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

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

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

Which test is used to diagnose panhypopituitarism?

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

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

<p>GH (A)</p> Signup and view all the answers

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

<p>Antipsychotics (A)</p> Signup and view all the answers

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

<p>Hyperprolactinemia (C)</p> Signup and view all the answers

What is the treatment approach for panhypopituitarism?

<p>Replace deficient hormones (A)</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 (B)</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 (A)</p> Signup and view all the answers

What is the most common cause of hyperthyroidism?

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

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

<p>Hydrocortisone (C)</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 (C)</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 (A)</p> Signup and view all the answers

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

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

What is the primary treatment for hypothyroidism?

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

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