<prompt> Atrial natriuretic polypeptide ANP acts by?Decreasing aldosterone productionDecreasing sodium reabsorption from renal tubulesInhibiting release of reninAll of the above  <response>: ANP is secreted by right atrium acts in many ways such as decreasing aldosterone production, decrease sodium absorption from renal tubules and also inhibit release of renin. Ref: General pathology in Textbook of PATHOLOGY 6th Edition by HARSH MOHAN 