<prompt> Action of adrenaline on which of the following receptor is not required in the treatment of analphylactic shockα1α2β1β2  <response>: Action of adrenaline is necessary on:α1 Receptors: To increase diastolic BP by vasoconstriction.β1 receptors: To increase systolic BP by Cardiac stimulation.β2 receptors: To cause bronchodilation relieve bronchospasm. 