A nurse is reinforcing teaching with a client who takes lithium carbonate for bipolar disorder.For which of the following findings should the nurse monitor as an adverse effect of lithium carbonate?.

Choice A rationale:Constipation is not a common side effect of lithium carbonate.Choice B rationale:Thyroid enlargement is a known side effect of lithium carbonate. Lithium can cause hypothyroidism, which may result in an enlarged thyroid.Choice C rationale:Hyporeflexia is not typically associated with lithium carbonate use.Choice D rationale:Elevated blood pressure is not a common side effect of lithium carbonate.So, the correct answer is B.