Lecture 43: Stress and Health Flashcards
1
Q
describe the SNS response to stress
A
- activates body systems to prepare for immediate actions (fight or flight)
- adrenal medulla stimulated to produce stress hormones such as adrenaline/noradrenaline
- stimulation of heart and lungs
- diversion of energy away from unnecessary functions e.g. digestion
2
Q
how does stress affect the GI system
A
- exacerbates GI disorders
- ^ gut motility
- ^ intestinal permeability
- low grade inflammation
3
Q
how does stress affect CVS
A
- ^ HR
- ^ BP
- ^ platelet activation
- endothelial dysfunction
- athersclerosis
