What is the best stimulus for release of vasopressin
Correct Answer: Hypotension
Description: Best / most impoant stimulus for ADH - Hypeonicity Next - hypotension Water deficit | |extracellular osmolarity |Osmoreceptors | ADH secretion (posterior pituitary) | |Plasma ADH | H2O permeability in |distal tubules. Collecting ducts | |H2O reabsorption | |H2O excreted 1. | Osmolality / tonicity 2. Aerial baroreceptor reflex - |aerial pressure - | ADH 3. Cardiopulmonary reflexes - | blood volume |ADH release |ADH release | plasma osmolality |plasma osmolality |blood volume |blood volume |blood pressure | blood pressure Nausea Hypoxia Drugs: Morphine Nicotine Cyclophosphamide Drugs: Alcohol Clonidine Haloperidol
Category:
Physiology
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