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PTSD
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PTSD is a chronic, ___ condition in which memories of traumatic events become uncontrollable, intrusive and disabling.
Debilitating
Approximately whay percentage of those involved in traumatic events may develop PTSD?
10-30%
What did studies in the USA in the 1980's focus on?
Vietnam war veterans
A traumatic event must meet two criteria from three of which symptom clusters:
Stressor
Intrusive Recollection
Avoidance/Numbing
Hyper-arousal
Duration
Impairment
Fear activates the ___ axis.
Hypothamlic-pituitary-adrenal (HPA)
The HPA axis activates the ___ response.
Stress
In healthy people, stress signals initiate the release of ___ from the hypothalamus.
Cortico-releasing factor (CRF)
The release of CRF from the hypothalamus stimulates the antrior pituitary gland to produce ___.
corticotropin (ACTH)
ACTH acts on the adrenal glands and promotes a release of ___.
Cortisol
PTSD patients have an elevated level of ___.
Cortico-releasing factor (CRF)
Elevated levels of CRF in PTSD patients leads to a blunted ___ response to the CRF, which in turn leads to lower baseline levels of cortisol.
ACTH
Author
rach123
ID
123348
Card Set
PTSD
Description
PTSD
Updated
2011-12-13T13:58:46Z
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