Susie Chapter 12 Flashcards

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1
Q

true or false

stress only happens in human

A

fase

stress affects all organisms

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2
Q

this protein guides damaged proteins to where they can be repaired or degraded, thus protecting cells from toxicity or dysfunction

A

heat-shock proteins

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3
Q

the study of __ is the circulation of hormones in the blood are monitored by the brain to enable the body to cope with stress

A

neuroendocrinology

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4
Q

after receiving stress, this system computes the right response (activates nerves originating from control centres in the brainstem)

A

sympathetic nervous system

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5
Q

list 3 physiological response to stressful events

A

sweating, heightened awareness, rapid heart rate, higher blood pressure, feeling of fear, pupil dilated, bladder relaxation, decrease salvation, goosebumps

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6
Q

what does HPA axis stand for?

A

hypothalamic-pituitary-adrenal axis

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7
Q

HPA axis consists of which 4 parts?

A

hypothalamus, pituitary gland, adrenal cortex, hippocampus

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8
Q

what hormone does pituitary gland secete?

A

adrenocorticotrophin (ACTH)

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9
Q

what hormones does adrenal gland secrete?

A

cortisol

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10
Q

this hormone raises blood sugar and other metabolic fuels for the muscles and brain, it also helps adrenaline to raise blood pressure

A

cortisol

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11
Q

which part of the brain has the highest density of cortisol receptors?

A

hippocampus

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12
Q

the classical curve that shows too much stress is bad

A

bell-shaped curve

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13
Q

the hippocampus has 2 receptors for cortisol:

A

low MR and high GR

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14
Q

this cortisol receptor is activated by normally circulating levels of cortisol

A

low MR

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15
Q

as cortisol levels begin to rise, which receptor is activated?

A

high GR

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16
Q

in severe __, cortisol is over-produced and hippocampus also shrinks

A

depression

17
Q

cortisol levels are __ in unsuccessful than in successful ageing

A

higher

18
Q

true or false
individuals who make the greatest responses to stressors are those who get more memory loss and other cognitive disorders

A

true

19
Q

this response prepares us to cope with violent stressors, it mobilizes energy and turns off non-essential functions

A

fight-or-flight response

20
Q

what part of the brain releases CRF?

A

hypothalamus

21
Q

where is adrenal cortex located?

A

above the kidney

22
Q

which brain area is activated by cortisol?

A

amygdala