U3 AOS1 Dot Point 7

Question 1

fight-flight response

Answer 1

sympathetic NS dominates
adrenaline and noradrenaline are released by the adrenal glands

Question 2

freeze response

Answer 2

when the threat is overwhelming and the fight or flight won’t work
body movements stop
HR slows
BP drops
before freezing there is a reflexive orienting response of the head or eyes towards the threat

response is common for a short period of time before the fight-flight response to give time to make an informed decision

Question 3

the role of cortisol

Answer 3

if the threat is ongoing and adrenaline is gone
energises the body

Question 4

effects of cortisol over time

Answer 4

slow tissue repair
impaired immune system functioning
increased vulnerability to disease
impaired cognitive functioning

Question 5

Selye’s General Adaptation Syndrome (GAS) - 3 stages

Answer 5

alarm reaction:
initial reaction when you first become aware of the stressor
involves shock and counter shock

Resistance:
if the stressor is not dealt with immediately, the body will continue to respond in order to adapt and cope

Exhaustion:
the body can’t sustain resistance and effects can no longer be dealt with