Patient 2 is being treated for rheumatoid arthritis with prednisone. These levels are characteristic of Cushing's syndrome. Which two patients have hormone levels characteristic of Cushing's syndrome (view Table 4.1 in Experiment Results)? Your answer: Patients 2 and 5 both have high levels of cortisol and low ACTH. Which patient would most likely be diagnosed with Cushing's disease (view Table 4.1 in Experiment Results)? Why? Your answer: Patient 3 would be diagnosed with Cushing's disease because the levels of cortisol and ACTH are both high 2. Therefore, you expect You correctly answered: b. A patient's chart lists the diagnosis of Addison's disease. abnormally low levels of CRH due to negative feedback. If a hypersecreting adrenal cortex tumor develops, then an expected outcome is You correctly answered: b. If a hypersecreting pituitary tumor develops, then an expected outcome is You correctly answered: a. the amount of secreted ACTH will likely decrease. Under normal conditions, if the amount of secreted cortisol increases, then You correctly answered: b. the amount of secreted CRH will likely decrease. Under normal conditions, if the amount of secreted ACTH increases, then You correctly answered: d. the amount of secreted ACTH will increase. Under normal conditions, if the amount of secreted CRH increases, then You correctly answered: c. CRH Experiment Data: Patient 1 2 3 4 5 Cortisol (mcg/dl) 3.33 39.12 42.43 3.44 49.69 High/Low ACTH (pg/ml) 16.81 12.37 86.22 95.91 16.32 Low High High Low High 09/06/17 page 2 High/Low Low Low High High Low Post-lab Quiz Results You scored 100% by answering 6 out of 6 questions correctly. both ACTH and CRH Which hormone(s) stimulate(s) the pituitary gland to release ACTH? You correctly answered: a. 09/06/17 page 1 Experiment Results Stop & Think Questions: Normally high levels of cortisol would inhibit release of You correctly answered: c. refers to low levels of cortisol in the blood. A condition of hypocortisolism You correctly answered: d. a hypercortisolism, which could be iatrogenic. Cushing's syndrome refers to You correctly answered: c. has a tropic effect on the anterior pituitary gland. is a tropic hormone that stimulates cortisol release. is a hormone important in the body's response to stress. Exercise 4: Endocrine System Physiology: Activity 4: Measuring Cortisol and Adrenocorticotropic Hormone Lab Report Pre-lab Quiz Results You scored 100% by answering 5 out of 5 questions correctly.
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