Flashcards
Acute Stress
Flashcards do conjunto (2)
- 1What is acute stress caused by?Caused by acute stressors - something which happens suddenly, body has to react quickly.
- 2Explain the body's response to acute stress.1. The autonomic nervous system.
2. ANS subdivided into:
- Sympathetic nervous system
- Parasympathetic branch
3. SNS prepares body for fight or flight, parasympathetic branch returns body to a state of relaxation.
Splits into 2:
4. SAM releases adrenaline. Adrenaline boosts oxygen and glucose supplies and supressed non urgent bodily functions.
5. SAM I regulated by the SNS and the adrenal medulla - just above the kidneys. The adrenal gland has two zones - adrenal medulla and adrenal cortex.
OR
4. SNS sends messages via neurons to most body organs and causes the release of noradrenaline - a neurotransmitter.
5. Noradrenaline increases heart rate, pupil size and mobilises fat and glycogen which provides energy.
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- Psychology (Stress) FlashCards sobre Acute Stress, criado por smita089 em 16-04-2013.
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- smita089
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