Hyperthyroidism Exam Questions with 100% Correct Answers

Definition of hyperthyroidism Correct Answer AKA thyrotoxicosis. Clinical syndrome where the tissues are exposed to high levels of thyroid hormone. More common in women (3 in 1,000 women occurrence) List the different type of hyperthyroidism Correct Answer 1. Graves' disease (most common) 2. Toxic multinodular goiter (MNG), toxic adenoma, and exogenous thyroid hormone ingestion Define thyroid storm Correct Answer A life-threatening sudden exacerbation of hyperthyroidism. Sx: fever, tachycardia, delirium, and coma Drugs that may cause hyperthyroidism. Correct Answer Amiodarone Iodine Signs and symptoms of hyperthyroidism. Correct Answer Heat intolerance Weight loss Weakness Palpitations Anxiety Tremor Tachycardia Moist, warm skin Weakness Eyelid lag Graves' dx pathophys Correct Answer Autoimmune disease in which thyroid-STIMULATING antibodies are produced. They mimic TSH on thyroid tissue. Toxic adenomas and MNGs pathophys Correct Answer These are masses of thyroid tissue that secrete thyroid hormones independent of pituitary control. How is hyperthyroidism diagnosed? Correct Answer Elevated T3/T4 in the presence of decreased TSH. Three primary ways of treating hyperthyroidism. Correct Answer 1. Surgery 2. Radioactive iodine (RAI) (tx of choice in most common forms!) 3. Antithyroid (thioamide) drugs RAI stands for Correct Answer radioactive iodine