NCLEX CRUSADE ACADEMY TEST - 18 MOOD DISORDERS - LITHIUM TOXICITY

1. Which lithium level is considered therapeutic?. 0.2–0.5 mEq/L. 0.6–1.2 mEq/L. 1.5–2.0 mEq/L. >2.5 mEq/L.

2. A client presents with diarrhea and vomiting while taking lithium. What is the priority concern?. Dehydration causing lithium toxicity. Increased lithium excretion. Improved therapeutic effect. No clinical concern.

3. What is the first nursing action for suspected lithium toxicity?. Administer antidote. Hold the next dose. Call the provider. Start IV fluids.

4. Which symptom is associated with severe lithium toxicity?. Fine tremors. Mild nausea. Seizures. Weight gain.

5. What mnemonic is used to identify mania symptoms?. SIGECAPS. DIGFAST. ABCDE. FAST.

6. Which finding indicates depression?. Flight of ideas. Increased energy. Anhedonia. Pressured speech.

7. What dietary teaching is essential for patients on lithium?. Low sodium diet. Consistent sodium intake. High potassium diet. Fluid restriction.

8. Which medication increases lithium toxicity risk?. Acetazolamide. NSAIDs. Sodium bicarbonate. Caffeine.

9. What is a priority safety intervention for manic patients?. Group therapy. Strict isolation. 1:1 supervision. Encourage caffeine.

10. Which medication is contraindicated in pregnancy?. Lamotrigine. Clonazepam. Lithium. ECT.

11. What is a key sign of moderate lithium toxicity?. Fine tremor. GI distress. Seizures. Coma.

12. Why should lithium be taken with food?. Improve absorption. Reduce toxicity. Prevent GI irritation. Increase excretion.

13. What is the correct timing for lithium blood draw?. Immediately after dose. 6 hours after dose. 12 hours after dose. 24 hours after dose.

14. What is the main danger of sudden mood improvement in depression?. Relapse. Medication failure. Suicide risk. Mania.

15. Which intervention is appropriate for manic patients' nutrition?. Large meals. Finger foods. Fasting. Liquid diet.