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Describe the changes in ACTH and cortisol concentrations during diurnal rhythm in humans.
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- Describe how TSH, thyroxine, calcitonin, PTH, ACTH, cortisol, insulin, glucagon, hGH, ADH, epinephrine, and aldosterone maintain homeostatsis through negative feedback.explain how these hormonal changes are interrelated to produce a self-cycling pattern?Describe the physiological consequences of imbalances of TSH, thyroxine, calcitonin, PTH, ACTH, cortisol, insulin, glucagon, hGH, ADH, epinephrine, and aldosterone.
- Describe the role of the hypothalamus – pituitary – thyroid axis in maintaining body temperature and metabolic rate.A group of college students is restricted to four hours of sleep per night for five days. After this time, the students are given a glucose tolerance test and are found to be pre-diabetic. Researchers hypothesize that the lack of sleep triggered the body to respond as if it were undergoing long-term stress. The hormone that is released in response to long-term stress and its effect on blood glucose levels are, respectively: Select one: a. Hormone Effect on Blood Glucose Levels Cortisol Raises blood glucose levels b. Hormone Effect on Blood Glucose Levels Cortisol Lowers blood glucose levels c. Hormone Effect on Blood Glucose Levels Adrenaline Lowers blood glucose levels d. Hormone Effect on Blood Glucose Levels Adrenaline Raises blood glucose levelsContrast the roles of insulin and glucagon in regulating blood glucose levels.
- Describe the functions of the following hormones: TSH, thyroxine, calcitonin, PTH, ACTH, cortisol, insulin, glucagon, hGH, ADH, epinephrine, and aldosterone.Draw a summary graph of the changes in the following hormones with exercise of increasing intensity or duration: epinephrine, norepinephrine, cortisol, growth hormone, insulin, and glucagon.Identify the classical vertebrate endocrine glands and describe the actions of their hormones; describe the effects of hypersecretion and hyposecretion on homeostasis.
- Identify the major storage pools and major roudtes of Ca2+ and phosphate loss from the bodyMatch each hormone with its general effects on metabolism: promotes glycogenesis (storing glucose) insulin promotes lipogenesis (storing fats) glucagon and cortisol secretion increases when blood insulin glucose increases promotes glycogenolysis (breaking down glycogen) glucagon and cortisol promotes gluconeogenesis (making glucose) insulin > > > > >Diagram an endocrine pathway, such as parathyroidregulation of blood-calcium levels, which maintainshomeostasis of a bodily function by means of negativefeedback.