Stress

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  • Created by: annrose
  • Created on: 15-02-13 13:17

Body's response to stress

sympathetic division - increases arousal (fight/flight)

Acute 

  • stressor acts on hypothalamus - releases noradrenaline
  • activates sympathetic branch of ANS
  • stimulates adrenal medulla - releases adrenaline
  • increases heart rate, blood pressure, sweat glands

Chronic

  • stressor acts on hypothalamus - releases noradrenaline
  • activates pituitary gland - releases ACTH
  • stimulates adrenal cortex - releases cortisol
  • suppresses immune system

Illness

stroke: in vessel in brain, 2 types of blockages can occur: atherosclerotic clot (fat) or blood clot (HPA storage fat = a lot of fat = stroke

stomach ulcer: acid…

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