The patient has received a total of 7 units of blood over the last 24 hours.The nurse assesses the patient's laboratory test results in the morning.Which of the following would be an expected complication?

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Blood that is preserved with citrate phosphate dextrose (CPD)contains a high concentration of citrate ions.The excess citrate may combine with the ionized calcium in the recipient's blood,resulting in transient low ionized calcium levels.Although ionized calcium deficiency resulting from blood transfusions is rare,it is more likely to occur in young children,older adults,and patients with osteoporosis.
When blood is stored,there is continual destruction of RBCs,which releases potassium from the cells into the plasma.If blood is transfused rapidly,transient hyperkalemia may occur before the potassium is reabsorbed.Patients receiving multiple transfusions should be assessed for iron overload.

The Patient Has Received a Total of 7 Units of Blood