<prompt> Antihypeensive may act by blocking all of the following exceptAlpha adrenoceptorsATP dependent potassium channelsNor adrenaline releaseBeta adrenoceptors  <response>: Refer kDT 7e p 558 Antihypeensives are a class of drugs that are used to treat hypeension high blood pressure. Antihypeensive therapy seeks to prevent the complications of high blood pressure, such as stroke and myocardial infarction. 