THE FIGHT OR FLIGHT RESPONSE INCLUDING THE ROLE OF ADRENALINE

WHAT IS THE FIGHT OR FLIGHT RESPONSE?

The body's physiological system of responding to a threat or stressor.

WHAT IS THE SEQUENCE OF RESPONSE OF THE FIGHT OR FLIGHT SYSTEM?

Hypothalamus --> Amygdala --> Adrenal medulla --> Release of adrenaline + nor-adrenaline

WHAT DOES THE RELEASE OF ADRENALINE AND NORADRENALINE DO IN THE BODY DURING THE AS STRESS REACTION?

Amplifies the effects brought about by the sympathetic nervous system

WHAT HAPPENS PHYSIOLOGICALLY DURING THE FIGHT OR FLIGHT RESPONSE?

- Breathing rate increase
- Heart rate increases
- Pupils dilate
- Digestion is inhibited
- Saliva production is inhibited
- Gluconeogenesis

WHAT HAPPENS ONCE THE STRESSOR HAS DISSOLVED?

- Body rapidly uses resources therefore stressed state cannot last long
- Stimulation of the sympathomedullary pathway
- Parasympathetic nervous system takes over