stress response 2 Flashcards
Catecholamines prepare the body to
to act
what does cortisol do in the stress response
mobilizes energy
stores (glucose) & other substances
needed to fuel the action
Epinephrine exerts its chief effects on
what system
CV system
Epinephrine increases what in the body
Epinephrine increases cardiac output & blood flow
to the heart, brain, & skeletal muscles
how does epinephrine increase cardiac output & blood flow to the heart, brain, & skeletal muscles
by dilating vessels that supply these
organs.
what does epinephrine also dilate
dilates airways thereby
increasing delivery of oxygen to the
bloodstream
Norepinephrine complement those
of
epinephrine
what does Norepinephrine
constrict
blood vessels of the viscera
& skin which shifts blood flow to the
vessels dilated by epinephrine.
Norepinephrine also increases what type of awareness
increases mental awareness
what does CRH influence
influences immune system indirectly
how does CRH influence the immune system indirectly
by activating glucocorticoids
(cortisol) & catecholamines
peripheral CRH is
proinflammatory
what does peripheral CRH cause
vasodilation & vascular
permeability.
what cells are the target of peripheral CRH
mast cells
