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Physiology
Cardiovascular
Cardiovascular (7)
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Created by
Jessica adejko
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Cards (8)
Carbonic
anhydrase
Catalyzes carbon dioxide and
water
to
carbonic
acid
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Active
hyperaemia
Increased blood flow during
increased
metabolic activity due to decreased oxygen and
increased
metabolites
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Flow autoregulation
Ability of an organ to
maintain constant
blood flow despite changes in
perfusion pressure, restored
by local dilation of blood vessels
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Adrenaline
Released from
adrenal medulla
,
vasoconstrictor
in most vascular beds but vasodilation in skeletal muscle predominates
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Angiotensin
2
Vasoconstrictor
, part of
renin-angiotensin
system
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Vasopressin
Vasoconstrictor
, released from
posterior pituitary
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Valsalva
manoeuvre
Attempting to
forcibly exhale
while keeping mouth and nose closed, used to evaluate heart condition and correct
abnormal heart rhythms
or relieve chest pain
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Exercise
Increases metabolic demand, increases
blood
flow to exercising muscles, increases heat production and increases
blood
flow to skin, increases cardiac output, affects blood pressure and pulse pressure
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