<prompt> Na or K isare involved in mechanism of action of which of the following receptors?DopamineNm receptorNn receptorAll of the above  <response>: The sodium-potassium pump is found in many cell plasma membranes. Powered by ATP, the pump moves sodium and potassium ions in opposite directions, each against its concentration gradient. In a single cycle of the pump, three sodium ions are extruded from and two potassium ions are impoed into the cell Ref: guyton and hall textbook of medical physiology 12 edition page number:34,35,36 