NCLEX-PN

Category - Pharmacological Therapies

A client in manic phase of bipolar disorder is admitted to the unit. Lithium carbonate is ordered. The nurse monitoring the client should suspect lithium toxicity if the client is noted with which of the following signs and symptoms?
  1. Inability to sit still, restlessness, and decreased blood pressure.
  2. Coarse hand tremors, blurring of vision, tinnitus, diarrhea, slurred speech
  3. Protrusion of tongue, chewing motion, involuntary movement of the extremities
  4. Tremors, masklike facies, shuffling gait
Explanation
Answers - B - Coarse hand tremors, blurring of vision, tinnitus, diarrhea, and slurred speech are signs of lithium toxicity. The items in option A show akathisia, items in option C demonstrate tardive dyskinesia, and the items in option D are signs of extrapyramidal syndrome. These are common side effects of antipsychotic medications.
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