5.2 Fight or Flight Flashcards

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1
Q

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

A

series of physical responses

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2
Q

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

A

survive

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3
Q

what nervous system detects a threat?

A

autonomic

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4
Q

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

A

sympathetic

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5
Q

the sympathetic nervous system uses which pathways to initiate reactions?

A

neuronal

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6
Q

the adrenal cortical system uses which cell signalling molecules?

A

hormones

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7
Q

the sympathetic nervous system sends out impulses to where?

A

glands and smooth muscle

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8
Q

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

A

adrenaline and noradrenaline

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9
Q

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

A

hormones from pituitary gland

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10
Q

hypothalamus stimulates the pituitary gland to release which hormone?

A

ACTH

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11
Q

where does ACTH travel?

A

bloodstream to adrenal cortex

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12
Q

what does ACTH activate?

A

release of many hormones to prepare to deal with a threat

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13
Q

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

A

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

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14
Q

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

A

takes in as much light as possible for better vision

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15
Q

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

A

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

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16
Q

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

A

increases respiration to provide energy for muscle contraction

17
Q

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

A

allows more oxygen into lungs

18
Q

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

A

focuses resources on emergency functions

19
Q

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

A

brain solely focuses on danger or threat