Exam 15: The Endocrine System

are hormones synthesized from cholesterol.

Cells that respond to peptide hormones usually do so through a sequence of biochemical reactions involving receptor and kinase activation.In order for cells to respond,it is necessary for first and second messengers to communicate.This is possible because .

Gluconeogenesis occurs in the liver due to the action of .

The only amine hormone to act like a steroid is .

Thyroxine is a peptide hormone,but its mechanism is different from other peptide hormones.Which of the following statements is true concerning this difference?

ACTH .

Which of the following organs is affected by thyroid hormone in adults?

Sometimes prolonged excessive exposure to high hormone concentrations causes a phenomenon known as .

As a result of stress the adenohypophysis releases ,which stimulates release of hormones from the adrenal cortex that retain sodium and water,increase blood sugar,and begin breaking down fats.

Which of the following is not a cardinal sign of diabetes mellitus?

Which organ is responsible for synthesizing ANP?

are the result of hypersecretion of growth hormone.

Give an example of synergism in hormones.

Steroid hormones exert their action by .

How do glucocorticoids enable the body to deal appropriately with stress?

Which of the following is not a change that may be caused by hormonal stimulus?

Which of the following is not a category of endocrine gland stimulus?

Endocrine gland stimuli include hormonal,_ _,and _ stimuli.

Chemical substances secreted by cells into the extracellular fluids and that regulate the metabolic function of other cells in the body are called .

Glucagon and insulin both target the cells of the liver and are both made in the pancreas,yet they have very different effects on the cells they target.What accounts for this fact?