ATI RN
ATI Mental Health Proctored Exam Questions
Extract:
Question 1 of 5
A nurse is reviewing laboratory values for a client who has bipolar disorder and a prescription for lithium. Which of the following laboratory results places the client at risk for lithium toxicity?
Correct Answer: B
Rationale: The correct answer is B: Sodium 130 mEq/L. Low sodium levels increase the risk of lithium toxicity as lithium competes with sodium for reabsorption in the kidneys. This can lead to higher lithium levels in the bloodstream, putting the client at risk for toxicity. The other choices (A, C,
D) are within normal ranges and do not directly impact lithium toxicity.
Therefore, the client with low sodium levels is at the highest risk for lithium toxicity.
Question 2 of 5
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Question 3 of 5
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Question 4 of 5
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Question 5 of 5
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