A patient diagnosed with bipolar disorder is prescribed lithium carbonate. Which laboratory result should prompt the nurse to hold the medication and notify the healthcare provider?
Potassium 4.2 mEq/L
Sodium 136 mEq/L
Calcium 9.0 mg/dL
Creatinine 2.1 mg/dL
The Correct Answer is D
A. Potassium 4.2 mEq/L is within the normal range (3.5–5.0 mEq/L).
B. Sodium 136 mEq/L is slightly low but does not warrant withholding lithium. However, sodium levels should be monitored regularly as low sodium increases the risk of lithium toxicity.
C. A calcium level of 9.0 mg/dL is within the normal range (8.5–10.2 mg/dL).
D. An elevated creatinine level (2.1 mg/dL) indicates possible renal dysfunction, which is a concern for lithium use. Lithium is excreted by the kidneys, and impaired renal function increases the risk of lithium toxicity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. A semi-private room may not provide enough structure or prevent overstimulation, which could exacerbate manic behavior.
B. A private room close to the nursing station is ideal for a client in the manic phase of bipolar disorder. The nurse can monitor the client's behavior more closely while providing a quiet, private space to prevent overstimulation from other clients.
C. A seclusion room should not be the first option unless the client is a danger to themselves or others, and the client's activity level can usually be managed with more supportive measures.
D. A private room in a quiet location is not ideal because the nurse needs to be able to monitor the client closely and intervene if necessary, which would be more difficult in a remote area.
Correct Answer is B
Explanation
A. Agoraphobia is marked by the fear of being in situations where escape may be difficult or help unavailable in case of panic-like symptoms. It is not characterized by generalized worry.
B. Generalized anxiety disorder (GAD) is characterized by excessive anxiety and worry that is difficult to control and is associated with a variety of circumstances. Individuals with GAD often experience chronic worry about multiple life domains, without a specific focus.
C. Separation anxiety disorder involves excessive fear of being separated from loved ones or familiar environments, which is different from generalized worry about multiple life events.
D. Panic disorder involves recurrent panic attacks that are not necessarily related to generalized anxiety or worry about various life situations.
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