What is the homeostatic feedback loops for high/low blood volume. Stimulus: Decrease in blood volume Sensor:...

What is the homeostatic feedback loops for high/low blood volume.

Stimulus: Decrease in blood volume

Sensor: ?

Integrator: ?

Effector: ?

Response: ?

Stimulus: Increase in blood volume

Sensor: ?

Integrator: ?

Effector: ?

Response: ?

Solutions

Expert Solution

Decrease in blood volume

Sensor: Blood volume Pulse (BVP) sensor that measures cardiovascular dynamics by detecting changes in the arterial translucency.

Integrator: cardiovascular centre. It can alter heart rate and stroke volume to increase blood pressure and flow.

Effector: kidney

Response: collapsing vessels, reduced pressure, and subsequently leads to reduced perfusion pressure.

Increase in blood volume

Sensor: blood volume pulse sensor, same as above

Integrator: cardiovascular centre by altering the heart rate and stroke volume to decrease pressure and flow.

Effector: .heart, blood vessels, and kidneys

Response: An increase in blood volume increases central venous pressure. This increases right atrial pressure, right ventricular end-diastolic pressure and volume.This increase in ventricular preload increases ventricular stroke volume by the Frank-Starling mechanism.

Sydney Mullin answered 9 months ago

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