755521
Description
Flashcards by gina_evans0312, updated more than 1 year ago
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Created by gina_evans0312
over 11 years ago
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| Question | Answer |
| Heart | Control of CO (thought venous return) |
| Kidney | Control of Blood Volume |
| Kidney (Renal Arterioles) | Through the RAAS |
| Resistance Arterioles | Narrow to increase PVR when necessary |
| Capacitance Venules | Stretch to account for inc. blood flow & balances volume/pressure |
| Baroreflex (1) | Inc Blood Pressure stretches the arterial wall and stimulates the baroreceptor |
| Baroreflex (2) | Baroreceptor stimulates SNS & Increases noradrenaline |
| Baroreflex (3) | Inc Noradrenaline = inc PVR, CO & constriction of capacitance vesicles |
| Baroreflex Receptors | Alpha Receptor |
| (Intrinsic Control) Cardiac Output = | Venous Return- so the amount of blood in the heart determines the CO |
| (Intrinsic Control) Stroke Volume is Proportional To | End Diastolic Volume |
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