AP II final - cardio
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Baroreceptor will return bp to _______ level
Myocardial Oxygen Balance:
how much O2 is extracted?
what is this # in other tissues?
which form of work requires the most O2 supply in the heart?
Increase in myocardial demand must be met by what? how is this diff from other muscles?
- increase in coronary blood flow
- others can extract more Hgb (only using 25% at rest)
What is the major cardiovasc control center?
Secondary center of cardiovasc control?
- temperature sensing
Cardiovascular control can be affected by ______ _________ from the cerebral cortex
PArasympathetic innervation of the heart is mostly in the _________. Ach acts on ___ receptors to produce __________ effects.
__________ fibers are widely distributed throughout the heart. They originate from T1- ____. Norepi acts on __1 recpetors, causing positive effects.
B2 recpetors are found mostly in ____ and are _____ in #. still slightly increases HR and BP.
where are baroreceptors found? stretch causes what?
- aortic arch
- carotid arteries
- decrease in hr, blood vessels dilate
CPP= ________- ____________
arterial diastolic pressure - LVEDP
what is a normal CO?
CI=CO/BSA. what is a normal CI?
What would you like to do?
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