A Client Received a First Dose of Cyanocobalamin (Vitamin B¹²)

question 246

Multiple Choice

A client received a first dose of cyanocobalamin (Vitamin B¹²) 2 days ago. The nurse is monitoring the client's electrolytes because of the possibility of which clinical manifestation?

• A) A marked decrease in serum osmolality and the risk of cerebral edema.
• B) A marked decrease in calcium and the risk of tetany.
• C) A marked decrease in potassium and the potential for dangerous dysrhythmias.
• D) A decrease in sodium and the potential for renal failure.

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