Canadian Practical Nurse Registration Examination (CPNRE) 2026 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 595

Which of the following symptoms is not associated with lithium toxicity?

Tremors

Oliguria

Confusion

Weight gain

Weight gain is not typically associated with lithium toxicity. Lithium is a medication often used to treat bipolar disorder and can cause a range of side effects, especially when levels in the body become too high. Symptoms of lithium toxicity include tremors, oliguria (reduced urine output), and confusion, all of which indicate that the body is being adversely affected by elevated lithium levels.

While weight gain can be a side effect of long-term lithium use, it is not considered a direct symptom of acute lithium toxicity. Instead, weight gain is more related to how lithium affects the metabolism and fluid retention over time rather than an immediate or acute reaction to high lithium levels.

Understanding the difference between chronic effects and acute toxicity symptoms is crucial for anyone working in nursing or mental health, as it directly impacts patient assessment and management strategies.

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