Hyperthyroidism Quiz

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Questions and Answers

What is the most common cause of hyperthyroidism?

  • Toxic multinodular goiter
  • Graves disease (correct)
  • Excessive ingestion of thyroid hormone
  • Thyroiditis

What is the characteristic autoimmune disorder associated with hyperthyroidism?

  • Toxic multinodular goiter
  • Graves disease (correct)
  • Toxic adenoma
  • Thyroiditis

What is the gender predilection for Graves disease?

  • Affects men and women equally
  • Affects women and men in the same proportion
  • Affects women eight times more frequently than men (correct)
  • Affects men two times more frequently than women

What are the common clinical manifestations of hyperthyroidism?

<p>Anxiety, tachycardia, heat intolerance, weight loss (A)</p> Signup and view all the answers

What is the main reason for the increase in metabolic rate in hyperthyroidism?

<p>Excessive synthesis and secretion of thyroid hormones (C)</p> Signup and view all the answers

Which of the following is not a common cause of hyperthyroidism?

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

What is the age range for the onset of Graves disease?

<p>Between the second and fourth decades (D)</p> Signup and view all the answers

What is the main reason for the appearance of hyperthyroidism after an emotional shock or stress?

<p>Exact significance of these relationships is not understood (C)</p> Signup and view all the answers

What is the primary cause of hyperthyroidism resulting from an excessive synthesis and secretion of thyroid hormones?

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

What is the characteristic effect on the heart in patients with hyperthyroidism?

<p>Tachycardia and palpitations (B)</p> Signup and view all the answers

Which of the following is a common symptom of hyperthyroidism?

<p>Heat intolerance (D)</p> Signup and view all the answers

What ocular manifestation may patients with Graves disease present with?

<p>Reduced blinking and lid retraction (D)</p> Signup and view all the answers

What changes in menstruation may women with Graves disease experience?

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

What cardiac effects may be related to increased sensitivity to catecholamines in patients with Graves disease?

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

What may occur if hyperthyroidism in Graves disease is severe and untreated?

<p>Myocardial hypertrophy and heart failure (A)</p> Signup and view all the answers

What may be a cause of symptoms of hyperthyroidism in Graves disease?

<p>Excessive administration of thyroid hormone for the treatment of hypothyroidism (D)</p> Signup and view all the answers

What is a sign of greatly increased blood flow through the thyroid gland in Graves disease?

<p>A thrill often palpated and a bruit heard over the thyroid arteries (C)</p> Signup and view all the answers

How is the diagnosis made in advanced cases of Graves disease?

<p>Symptoms, decreased serum TSH, increased free T4, and increased radioactive iodine uptake (C)</p> Signup and view all the answers

What may be a consequence of long-standing use of thyroid hormone in Graves disease?

<p>Premature osteoporosis (D)</p> Signup and view all the answers

What may occur with the release of excessive amounts of thyroid hormone in Graves disease?

<p>Inflammation after irradiation of the thyroid or destruction of thyroid tissue by tumor (A)</p> Signup and view all the answers

What may be a consequence of untreated Graves disease?

<p>The untreated person becoming emaciated, intensely nervous, delirious, and even disoriented; eventually, the heart fails (B)</p> Signup and view all the answers

What may be a characteristic of the course of Graves disease?

<p>Mild, characterized by remissions and exacerbations, and may terminate with spontaneous recovery (C)</p> Signup and view all the answers

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