5.2 Fight or Flight

Question 1

when a potentially dangerous stimuli is detected what does the body trigger?

Answer 1

series of physical responses

Question 2

what is the fight or flight response intended to help mammals do?

Answer 2

survive

Question 3

what nervous system detects a threat?

Answer 3

autonomic

Question 4

(threat) hypothalamus communicates with the adrenal cortical system and which nervous system?

Answer 4

sympathetic

Question 5

the sympathetic nervous system uses which pathways to initiate reactions?

Answer 5

neuronal

Question 6

the adrenal cortical system uses which cell signalling molecules?

Answer 6

hormones

Question 7

the sympathetic nervous system sends out impulses to where?

Answer 7

glands and smooth muscle

Question 8

the sympathetic nervous system tells the adrenal medulla to release which hormones?

Answer 8

adrenaline and noradrenaline

Question 9

release of long term stress hormones from the adrenal cortex is controlled by what?

Answer 9

hormones from pituitary gland

Question 10

hypothalamus stimulates the pituitary gland to release which hormone?

Answer 10

ACTH

Question 11

where does ACTH travel?

Answer 11

bloodstream to adrenal cortex

Question 12

what does ACTH activate?

Answer 12

release of many hormones to prepare to deal with a threat

Question 13

one physical fight or flight response is increased heart rate what does this do?

Answer 13

pumps more oxygenated blood to body muscles in preparation to run or fight

Question 14

one physical fight or flight response is pupil dilation what does this do?

Answer 14

takes in as much light as possible for better vision

Question 15

one physical fight or flight response is arteriole constriction what does this do?

Answer 15

sends more blood to essential organs e.g. muscles, brain and heart

Question 16

one physical fight or flight response is increasing blood glucose levels what does this do?

Answer 16

increases respiration to provide energy for muscle contraction

Question 17

one physical fight or flight response is smooth muscle relaxation what does this do?

Answer 17

allows more oxygen into lungs

Question 18

one physical fight or flight response is non essential systems shut down what does this do?

Answer 18

focuses resources on emergency functions

Question 19

one physical fight or flight response is difficulty focusing on small tasks what does this do?

Answer 19

brain solely focuses on danger or threat