A newly diagnosed patient is prescribed lithium. Which information from the patient's history indicates that monitoring of serum concentrations of the drug will be challenging and critical?
Arthritis
Heart failure
Psoriasis
Epilepsy
The Correct Answer is B
Rationale:
A. Arthritis does not typically affect lithium metabolism or clearance.
B. Heart failure can impair renal function and fluid balance, increasing the risk of lithium toxicity and making serum concentration monitoring critical.
C. Psoriasis does not interfere with lithium pharmacokinetics.
D. Epilepsy is not directly related to lithium metabolism, though caution is warranted if the patient is on other medications.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","E"]
Explanation
Rationale:
A. Social isolation is more typical in depression or withdrawal, not acute mania, where patients are often excessively social or intrusive.
B. Impaired mood regulation is characteristic of mania, involving mood swings, irritability, and poor impulse control.
C. Imbalanced nutrition: more than body requirements is unlikely during mania; patients often have decreased appetite.
D. Chronic confusion is not typical in acute mania; cognitive impairment may be present but is usually not chronic.
E. Sleep deprivation is common in manic episodes due to decreased need for sleep and hyperactivity.
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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