Which of the following manifestations would be considered a result of stress-induced cortisol hormone secretion?
A) Increased blood glucose level to 180 with excess hunger and thirst
B) Increased hematopoiesis resulting in hemoglobin levels in the 20s with blood clots in legs
C) Increased thyroid-stimulating hormone secretions resulting in signs of hyperthyroidism
D) Depressed CNS function exhibited by drowsiness and change in level of consciousness
Ans: A
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Cortisol acts as both a mediator of the stress response and an inhibitor of the stress response. Prolonged presence of cortisol leads to suppression of growth hormone and decreased levels of thyroid-stimulating hormone. The neuroendocrine stress response affects the corticotropin-releasing factor (CRF) that increases adrenocorticotropic hormone (ACTH) secretion. ACTH stimulates the adrenal to secrete increased amounts of cortisol.
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