Podcast
Questions and Answers
What is the percentage of anaplastic carcinoma among malignant thyroid tumors?
What is the percentage of anaplastic carcinoma among malignant thyroid tumors?
- 10-20%
- 75-85%
- 5% (correct)
- Less than 5%
Which type of thyroid cancer is most commonly associated with ionizing radiation?
Which type of thyroid cancer is most commonly associated with ionizing radiation?
- Medullary carcinoma
- Follicular carcinoma
- Papillary carcinoma (correct)
- Anaplastic carcinoma
What is the characteristic nuclear feature of papillary carcinoma?
What is the characteristic nuclear feature of papillary carcinoma?
- Amyloid deposits
- Orphan Annie eye nuclei (correct)
- Hyalinizing trabecular pattern
- Psammoma bodies
Which type of thyroid cancer is derived from C cells (parafollicular cells)?
Which type of thyroid cancer is derived from C cells (parafollicular cells)?
What is the main function of parathyroid hormone (PTH)?
What is the main function of parathyroid hormone (PTH)?
What is the effect of high blood calcium levels on PTH secretion?
What is the effect of high blood calcium levels on PTH secretion?
What is the most common cause of primary hyperparathyroidism?
What is the most common cause of primary hyperparathyroidism?
What is the effect of PTH on calcium reabsorption in the kidneys?
What is the effect of PTH on calcium reabsorption in the kidneys?
What is the clinical feature of primary hyperparathyroidism?
What is the clinical feature of primary hyperparathyroidism?
What is the cause of secondary hyperparathyroidism?
What is the cause of secondary hyperparathyroidism?
What is the primary function of the parafollicular cells in the thyroid gland?
What is the primary function of the parafollicular cells in the thyroid gland?
What is the mechanism by which thyroid hormones regulate oxygen use in the body?
What is the mechanism by which thyroid hormones regulate oxygen use in the body?
What is the term for the enlargement of the thyroid gland, which is often caused by iodine deficiency?
What is the term for the enlargement of the thyroid gland, which is often caused by iodine deficiency?
What is the autoimmune disease that is characterized by the production of IgG autoantibodies to the TSH receptors?
What is the autoimmune disease that is characterized by the production of IgG autoantibodies to the TSH receptors?
What is the term for the excessive sweating, heat intolerance, and hypermetabolic state that is characteristic of hyperthyroidism?
What is the term for the excessive sweating, heat intolerance, and hypermetabolic state that is characteristic of hyperthyroidism?
What is the treatment of choice for Graves' disease?
What is the treatment of choice for Graves' disease?
What is the term for the accumulation of proteoglycans and water in the skin, which is a characteristic feature of hypothyroidism?
What is the term for the accumulation of proteoglycans and water in the skin, which is a characteristic feature of hypothyroidism?
What is the most common cause of hypothyroidism in the United States?
What is the most common cause of hypothyroidism in the United States?
What is the term for the autoimmune disease that is characterized by the destruction of the thyroid gland, leading to hypothyroidism?
What is the term for the autoimmune disease that is characterized by the destruction of the thyroid gland, leading to hypothyroidism?
What is the term for the benign tumor that arises from the follicular epithelium of the thyroid gland?
What is the term for the benign tumor that arises from the follicular epithelium of the thyroid gland?
