Stress and Disease Flashcards
Mental or physical tension that results from physical, emotional, or chemical causes.
Stress
who studied the relation of stress to disease
walter cannon
He demonstrated that stimulation of the autonomic nervous system (in particular, the sympathetic NS) initiated the ___________________ response
“fight or flight”
what is the general adaptation syndrome?
- the alarm reaction
- the stage of resistance- internal stress reponse continues but exteral symptoms of arousal disappear as person copes
- stage of exhaustion
who developed the general adaptation syndrome?
Hans Selye
3 main physiological responses to acute stress:
Neurotransmitter release
Endocrine
Immune
These allow the “fight or flight response”
Increased blood sugar
Increased heart rate and blood pressure
Decreased immune response
what are the catecholamines that increase HR, and blood pressure
catecholamines
_________ acts on the adrenal cortex to stimulate synthesis and release of glucocorticoids
ACTH
________________ promote energy use, increase cardiovascular activity, and inhibit growth, reproduction, and immunity
Glucocorticoids
_____ is secreted from the hypothalamus into the HPA system
corticotropin releasing hormone
CV events such as angina and sudden cardiac death occur most often during the __________, with a second peak in the early evening
morning
when are peak death rates for employed people?
mondays
A person’s assessment of the threat involved in various stressors
perception