Direct nervous stimulation triggered by stress (cold, heat, pain, infections) induces secretion of:
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Answer: D. Adrenocorticotrophic hormone
Explanation
Physical and physiological stress triggers the hypothalamus to stimulate adrenocorticotrophic hormone release. ACTH is secreted by the anterior pituitary gland in response to environmental stressors. This hormonal cascade prepares the body to cope with emergency physical demands. The hypothalamic-pituitary-adrenal axis mediates the body response to various physical stressors. Stressors such as extreme temperatures or infections activate neuroendocrine stress pathways. ACTH subsequently stimulates the adrenal cortex to release cortisol into the bloodstream.
Understanding stress hormones is crucial for studying chronic illness and immune system suppression. Medical evaluations measure stress hormone levels to diagnose adrenal and pituitary gland disorders. Chronic activation of this stress pathway can lead to long-term physical health complications. Somatotropin regulates general somatic growth rather than immediate acute stress responses. Thyroid stimulating hormone controls metabolic rate rather than direct physical stress reactions. Gonadotrophic hormones regulate reproductive organ function rather than acute stress adaptation.
- Subject
- Psychology
- Category
- Psychology
- Topic
- —
- Difficulty
- medium
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