A nurse is assisting with the care of a client who has hypocalcemia. For which of the following signs should the nurse monitor?

Rationale: A. Chvostek’s sign is a clinical indicator of hypocalcemia. It is elicited by tapping the facial nerve in front of the ear, which causes twitching of the facial muscles in clients with low calcium levels due to increased neuromuscular excitability. B. Brudzinski’s sign indicates meningeal irritation, such as in meningitis, not hypocalcemia. C. Cullen’s sign is bruising around the umbilicus, associated with intra-abdominal bleeding, not electrolyte imbalance. D. Kernig’s sign is another sign of meningeal irritation and is unrelated to calcium levels.