Int Physio Essays

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Describe the peripheral and central neural pathways that are involved in the response to an increase in blood pressure.

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Baroreceptors = stretch rec in aorta & carotid sinus

when BP dec, baroreceptors inhibited, decrease in AP from afferent vagus & glossopharyngeal to Solt tract nucleus (NTS)

Bp is controlled by baroreceptor reflex, a homeostatic mech, rapid neg feedback

Increased symp act in AutoNS, inc heart rate, force contract heart & constr arter&veins

NTS doesnt send exitation to depressor/RVLM, therefore pressor/CVLM isnt inhibited


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