Final answer:
The nurse should monitor the potassium electrolyte as a result of cyanocobalamin treatment for pernicious anemia. Cyanocobalamin is a form of vitamin B12, and it plays a role in the production of red blood cells.
Step-by-step explanation:
The nurse should monitor the potassium electrolyte as a result of cyanocobalamin treatment for pernicious anemia. Cyanocobalamin is a form of vitamin B12, and it plays a role in the production of red blood cells. Potassium is an important electrolyte involved in nerve and muscle function, including the contraction of the heart. Cyanocobalamin treatment can affect potassium levels, and monitoring potassium is essential to prevent potential imbalances and ensure the patient's safety and well-being.