Over the past year, Julie has gradually gained weight. The increasein adipose tissue is distributed over her trunk, face, and neck, and hermuscle mass appears to be decreased. Julie also feels weak and bruiseseasily. Her physician suspects Cushing syndrome and orders a seriesof blood tests. The results reveal elevated blood levels of cortisol andACTH. There is no evidence of an extrapituitary source of ACTH.Predict the cause of Julie’s condition and the treatments that are likelyto be recommended

Over the past year, Julie has gradually gained weight. The increasein adipose tissue is distributed over her trunk, face, and neck, and hermuscle mass appears to be decreased. Julie also feels weak and bruiseseasily. Her physician suspects Cushing syndrome and orders a seriesof blood tests. The results reveal elevated blood levels of cortisol andACTH. There is no evidence of an extrapituitary source of ACTH.Predict the cause of Julie’s condition and the treatments that are likelyto be recommended

Body Structures & Functions

12th Edition

ISBN:9781285695495

Author:Scott

Publisher:Scott

Chapter11: Endocrine Systems

Section: Chapter Questions

Problem 1CS

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Addisons disease develops when the adrenal cortex does not secrete enough mineralocorticoids and glucocorticoids. President John F. Kennedy was diagnosed with the disease when he was a young man. Before he started treatment with hormone replacement therapy, he was hypoglycemic and lost weight. Which missing hormone was responsible for his weight loss? How might Addisons disease have affected his blood pressure?
ADH and oxytocin are hypothalamic hormones secreted from the pituitarys _____________ lobe. a. anterior b. posterior c. primary d. secondary
Certain endocrine disorders, such as Cushing syndrome, can becaused by excessive secretion of a hormone (in this case, ACTH) bythe pituitary gland, or by a problem with the adrenal gland itself. Ifyou were able to measure the ACTH levels of a Cushing patient,how could you tell the difference between a pituitary problem and aprimary adrenal gland problem?
Becky has lost 30 pounds over the past several months, even though herappetite has been good and she has been eating more than usual. Shecomplains to her physician that she is nervous and restless, has a shortattention span, becomes fatigued easily but cannot sleep well, movescompulsively, and sweats excessively. Her physician notes that she alsoexhibits tachycardia. Suspecting hyperthyroidism, he orders a blood test,which indicates elevated levels of T3 and T4 and low levels of TSH. Beckyalso has a TSH-like immunoglobulin in her plasma. Explain these results.
Which of these dysfunctions of the endocrine system would most likely result in excess serum glucose? A. low secretion of insulin by the pancreas B. excess secretion of insulin by the pancreas C. low secretion of ADH by the pituitary D. excess secretion of ADH by the pituitary
Describe the effect on the natural secretion of hormonefrom the pituitary gland and the adrenal gland when largeamounts of glucocorticoids are administered.
cortisol is responsible for adjusting homeostasis under conditions of chronic stress shuch as starvation wheich of the following is/are upregulated under the in fluence of cortisol duringthe chronic stress of starvation. A. the conversion of adipose and animo acids into glucose B.the converion of glycogen into glucose C. the addition of body fat D. the production of new tissues such as bone and connective tissue
Adrenocorticotropic hormone (ACTH) stimulates the adrenal cortex to release cortisol hormone. This is an example of what type of stimulation: (a) hormonal, (b) humoral, or (c) nervous system?
If the pituitary is so important, and if Eric is not getting replacements of hormones the pituitary makes (except for adh), why isn’t he dead? To answer this question, think through the cascade of events from hypothalamus to effect Is it because the hypotalamus secretes it to the blood stream directly? May I have an explanation? I'm trying to understand so that I can answer this question properly
Compare and contrast the anatomical relationship ofthe anterior and posterior lobes of the pituitary gland to thehypothalamus.
If a patient is hypoglycemic, which of the following physiological processes will occur in an attempt to correct this situation? A). ACTH will be released by the posterior pituitary gland to stimulate the adrenal gland, B).glucocorticoid will be released by the adrenal cortex and increase serum glucose levels, C). mineralcorticoids will be released by the adrenal cortex and potentiate catecholamine effects, D). epinephrine will be secreted by the adrenal cortex in an attempt to increase blood serum glucose levels.
Henry is a well-informed patient who is interested in understanding how thyroid hormone is controlled by thyrotropin-releasing hormone (TRH) and thyroid-stimulating hormone (TSH). Briefly explain to him the hypothalamicpituitary-thyroid axis.