<prompt> Which of the following is not a cause for hyperkalemia:DigoxinPotassium sparing diureticRenin angiotensin system blockersCyclosporine  <response>: Digoxine effect: acts by the Inhibition of NaK ATPase which is clearly involved in the toxic actions of digitalis. At high doses, There is depletion of intracellular K ions.this is Paially reversed by infusing K. ESSENTIALS of medical PHARMACOLOGY SIXTH EDITION -KD TRIPATHI Page:514,515 