Exam 23: Endocrine Control of Growth and Metabolism

Juan has great hopes that his 12-year-old son will play professional basketball and wants to do anything that might be helpful.He has heard that the administration of testosterone or other androgens might increase his son's height.Alarmed, you tell him that this may be a treatment that would actually limit his future athletic potential.Why?

Mature, less active bone cells are termed

Bill does not begin puberty until he is 16.What effect would you predict this will have on his stature?

ACTH is synthesized from a large glycoprotein called ________, which also produces ________ in the pituitary.

Increased blood calcium levels result in increased

Structurally similar steroids sometimes bind to the same receptor, producing ________ effects.

Hyperthyroidism

Match the disease with the description. -may result from a pituitary tumor

All of the hormones secreted by the adrenal gland play a major role in growth and metabolism.

Define hypertrophy and hyperplasia, and describe their hormone regulation.

Cortisol secretion shows a ________ pattern of secretion, normally peaking in the ________.

Todd is in the emergency room, complaining of severe back pain and pain when trying to urinate.The physician has ordered blood tests and urinalysis to measure levels of parathyroid hormone (PTH)and phosphates.What possible reason would the physician have for doing this? What would the physician conclude if the results of the blood test show high levels of PTH and calcium and the urinalysis shows high levels of phosphate? How are calcium and phosphates related?

In bone, the calcium phosphate forms crystals of ________.

Cortisol has which of the following effects?

Describe the endocrine regulation of bone growth.

Excess secretion of growth hormone during adulthood will cause

Explain how the mutant agouti mouse is proving useful as a model for obesity-related disease.

Elevated levels of calcium ion in the blood stimulate the secretion of the hormone

Describe the sources, targets, and primary effects of the hormones of calcium metabolism.

Match the condition with the description. -associated with Graves' disease