Lecture 20 Stress And Management Flashcards
What is stress?
State of body, mind, and emotions when a STRESSOR triggered stress response
What is a Stressor?
An event or agent that cause stress
Stress response is…
Series of physiological changes in our body
What does stress response secrete?
Catecholamines (Adrenaline)
Cortisol
What’s catecholamines?
Adrenaline where it’s secreted in situations that are challenging
What’s cortisol?
Hormone when an individual is faced with a threat or challenge
What does adrenal medulla secretes?
Epinephrine
Norepinephrine
What does adrenal cortex secrete?
Glucocorticoids
Mineral corticosteroids
Testosterone
Adrenaline(Epinephrine) central role
(Short term effect)
Increases heart rate and stroke volume
Dilated pupils
Elevates BG
Suppresses immune system
Cortisol’s central role
(Long term effect)
Increases BG
Aids metabolism of fat, protein, and carbs
What’s homeostasis?
State of stability and balance where body functions normally
What’s the relaxation response?
Physiological changes where the body calms down and returns to normal function
What does stress response do in Sympathetic Nervous System?
Increases:
heart rate
BG
Glucose in bloodstream
Muscle tension
Cortisol
Noradrenaline
Rate of ageing
What does relaxation response do in ParaSympathetic Nervous System?
Reduces:
heart rate
BG
Glucose in bloodstream
Muscle tension
Cortisol
Noradrenaline
Rate of ageing
Negative effects of prolonged levels of Cortisol
Weak immune system
Heart diseases
Nerve problems
Digestive issues
High BG
High blood pressure
Anxiety, Depression, Headaches
