Pre-Lecture Quiz, Chapter 37, Thyroid and Parathyroid Agents True/False 1. Levothyroxine is for used as replacement therapy for hypothyroidism. 2. The parathyroid glands are four small groups of glandular tissue located on the back of the thyroid gland. 3. Parathyroid hormone (PTH) is the most important regulator of serum calcium levels in the body. 4. Calcitrol (Rocaltrol) is used in the management of hypercalcemia to help decrease calcium. 5. Bisphosphonates are used to treat hypocalcemia by increasing the uptake of calcium from the bone. Fill-in-the-Blank 1. The thyroid hormone regulates the rate of _________________, which is the rate at which energy is burned. 2. A lack of sufficient levels of thyroid hormones needed to maintain normal metabolism is defined as __________________. 3. Children who do not have a thyroid gland or have a nonfunctioning gland develop ___________. 4. The most common cause of hyperthyroidism in adults is ___________ disease. 5. The thyroid gland needs _________ to produce the thyroid hormones that regulate body metabolism.