Body's response to stress

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Sympathomedullary Pathway (Fight or Flight system)
SNS (Sympathetic Nervous System) prepares body in immediate (acute) stress. Causes increase in heart rate and blood pressure and causes adrenal medulla to release adrenaline into bloodstream.
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Parasympathetic Nervous System (PNS)
Restores body to resting state after immediate stressor stops
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Pituitary Adrenal System
Deals with ongoing (chronic stress) - activates the hypothalamus which releases CRF and triggers ACTH to release cortisol.
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Effects of cortisol on the body
Positive - lower pain sensitivity. Negative - lowered immune system
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What did Kiecolt-Glaser et al test?
The effect of stress (cortisol) on immune system reaction.
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How did Kiecolt-Glaser test their theory?
They took blood samples from medical students one month before and during their final exams, testing the amount of Natural Killer (NK) cells. They found that during the exam period the level of NK cells was fewer - immune system functioning weaker.
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Who was immune system functioning weakest in in the Kiecolt study?
Those with high levels of loneliness
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What is the difference between males and females in response to stress?
Males - fight or flight. Females - Tend and Befriend
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Other cards in this set

Card 2

Front

Restores body to resting state after immediate stressor stops

Back

Parasympathetic Nervous System (PNS)

Card 3

Front

Deals with ongoing (chronic stress) - activates the hypothalamus which releases CRF and triggers ACTH to release cortisol.

Back

Preview of the back of card 3

Card 4

Front

Positive - lower pain sensitivity. Negative - lowered immune system

Back

Preview of the back of card 4

Card 5

Front

The effect of stress (cortisol) on immune system reaction.

Back

Preview of the back of card 5
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