For a potassium level of 2.9 in a patient with cardiac disease and without renal impairment, the prescriber will order which of the following treatments? Group of answer choices C. 10 meq KCL orally in orange juice each day for four days. D. An oral potassium supplement, like K-dur, 10 meq daily. B. 20 meq KCL intramuscularly. A. 40 meq KCL/250 ml NS over four hours.