The nurse receives a laboratory report indicating a patient's serum level is 1 mEq/L. The patient's last dose of lithium was 8 hours ago. This result is
within therapeutic limits
above therapeutic limits
invalid because of the time lapse since the last dose
below therapeutic limits
The Correct Answer is A
Rationale:
A. A lithium serum level between 0.6 and 1.2 mEq/L is generally considered within the therapeutic range for maintenance treatment.
B. Above therapeutic limits would typically be >1.5 mEq/L, which increases toxicity risk.
C. While timing of blood draw is important, an 8-hour interval is acceptable for monitoring lithium levels (usually drawn 12 hours post-dose but 8 hours is still interpretable).
D. A level of 1 mEq/L is not below therapeutic limits.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Rationale:
A. Energy drink containers may be counted because excessive caffeine intake can worsen agitation and mania symptoms. Monitoring caffeine consumption is relevant in manic episodes.
B. Hypodermic needles are not typically related to mania assessment unless substance abuse is suspected.
C. Empty soda cans may contain caffeine but energy drinks have a much higher caffeine concentration, making them more clinically relevant.
D. Fast food wrappers indicate diet but are less directly related to manic behavior management.
Correct Answer is C
Explanation
Rationale:
A. This indicates continued manic behavior such as distractibility and impulsivity, suggesting the treatment has not yet been effective.
B. These symptoms are consistent with acute mania, including poor sleep and distractibility, showing that the condition persists.
C. This reflects improvement in mood, behavior, and thought organization, indicating that the treatment is effective.
D. These are signs of ongoing manic behavior, especially impulsivity and rapid, excessive speech.
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