The older adult receives dexamethasone for chronic lymphocytic leukemia. It is most important for the nurse to report which finding the the HCP? A. Serum K 3.4 mEq and serum Ca+ 7.8 mEq B. normal K is 3.5-5 C. normal Ca is 8.5-10.2 D. this indicates hypokalemia and hypocalcemia