Before a procedure in which a neuromuscular blocking agent is used, the nurse will evaluate a client's electrolyte levels. Which abnormality would provoke the most concern?
1. Hypomagnesemia
2. Hyperkalemia
3. Hyponatremia
4. Hypercalcemia
Correct Answer: 2
Rationale 1: Hypomagnesemia would have little effect when using a neuromuscular blocking agent.
Rationale 2: Hyperkalemia could cause cardiac arrest when a neuromuscular blocking agent is used.
Rationale 3: Hyponatremia would have little effect when using a neuromuscular blocking agent.
Rationale 4: Hypercalcemia would have little effect when using a neuromuscular blocking agent.
Global Rationale: Hyperkalemia could cause cardiac arrest when a neuromuscular blocking agent is used. Hypomagnesemia, hyponatremia, and hypercalcemia would have little effect when using a neuromuscular blocking agent.
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