Chapter 37: Thyroid and Parathyroid
Agents Final Exam Questions and
Actual Answers.
Bisphosphonates - Answer drugs used to block bone resorption and lower serum calcium
levels in several conditions
Calcitonin - Answer hormone produced by the parafolicular cells of the thyroid; conteracts the
effects of parathyroid hormone to maintain calcium levels
follicles - Answer structural unit of the thyroid gland; cells arranged in a circle
iodine - Answer important dietary element used by the thyroid gland to produce thyroid
hormone
Levothyroxine - Answer a synthetic salt of thyroxine (T4), a thyroid hormone. the most
frequently used replacement hormone for treating thyroid disease
Liothyronine - Answer the L-isomer of triodothyronine (T3) and the most potent thyroid
hormone with a short half life of 12 hours
myxedema - Answer severe lack of thyroid hormone in adults
Paget's disease - Answer a gentetically linked disorder of overactive osteoclasts that are
eventually replaced by enlarged and softened bony structures
pts will complain of deep bone pain, HA and hearing loss, bone malformation and heart failure
Thiomides - Answer drugs used to prevent the formation of thyroid hormone in the thyroid
cells, lowering thyroid hormone levels
Thryroxine - Answer (T4) a thyroid homrone that is converted to triodothyronine in the tissue;
it has a half life of 1 week
, --- Triiodothyronine or liothyronine (T3)
*Removes iodine from the blood, concentrates it, and prepares it for attachment to tyrosine, an
amino acid
Produces calcitonin - a hormone that helps in controlling calcium levels
functions of thyroid hormones - Answer Regulate the rate of metabolism
Affect heat production and body temperature
Affect oxygen consumption, cardiac output, and blood volume
Affect enzyme system activity
Affect metabolism of carbohydrates, fats, and proteins
Regulate growth and development
thyroid gland can not do its job without... - Answer iodine
Hypothyroidism S/S - Answer CNS & CV depression
Pale, coarse, dry thick skin
Thin, coarse hair, thick nails
low body temp, cold intolerance
weight gain, high cholesterol
Menorraghia, sterility, decreased sexual function
Graves disease - Answer an autoimmune disorder that is caused by hyperthyroidism and is
characterized by goiter and/or exophthalmos
Hyperthyroidism s/s - Answer stimulated CNS & CV
Flushed, warm, thin, sweating skin
fine, soft hair, soft thin nails
fever, weight loss, heat intolerance
increased appitite
exophthalmos