A nurse is caring for a client who is receiving morphine intravenously. Which of the following findings indicates the client is experiencing morphine toxicity?
Prolonged QT interval
Fluid retention
Bradypnea
Hyperactive deep tendon reflexes
The Correct Answer is C
Rationale:
A. Prolonged QT interval: This is not a typical sign of morphine toxicity. QT prolongation is more commonly associated with certain antipsychotics, antiarrhythmics, or methadone, not opioids like morphine.
B. Fluid retention: Morphine does not typically cause fluid retention. While it may contribute to urinary retention, generalized fluid accumulation is not characteristic of opioid toxicity and may point to other causes like heart or renal failure.
C. Bradypnea: Respiratory depression, including bradypnea, is the hallmark sign of opioid toxicity. Morphine suppresses the brainstem’s respiratory centers, reducing respiratory rate and depth, which can become life-threatening without intervention.
D. Hyperactive deep tendon reflexes: Opioids tend to cause central nervous system depression, which would more likely lead to diminished reflexes. Hyperactive reflexes are not associated with morphine toxicity and may suggest a different neurological issue.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Rationale:
A. Troponin level: Troponin is a cardiac biomarker used to detect myocardial injury or infarction. It is not an indicator of nutritional status and does not reflect protein levels or nutrient balance.
B. Serum albumin: Albumin is a plasma protein synthesized in the liver and commonly used as a marker of long-term nutritional status. Low levels may suggest protein-energy malnutrition or chronic illness affecting nutrient absorption or intake.
C. Erythrocyte sedimentation rate: ESR is a nonspecific marker of inflammation or infection. While chronic disease can indirectly affect nutrition, ESR does not directly assess nutrient levels or dietary sufficiency.
D. Serum sodium: Sodium levels reflect fluid balance and electrolyte status but are not indicators of nutritional status. They may be influenced by hydration, renal function, or hormonal imbalances, not by dietary protein intake.
Correct Answer is C
Explanation
Rationale:
A. Alkaline phosphatase: This enzyme is typically used to assess liver or bone disorders, not renal function. Although some values may rise due to medications or illness, it is not a primary marker for kidney health in transplant clients.
B. Amylase: Amylase is used to evaluate pancreatic function and is not directly related to kidney function. It may be elevated in pancreatitis or abdominal conditions, but it does not provide information about renal performance.
C. Creatinine: Serum creatinine is a key indicator of renal function and is commonly monitored alongside BUN in clients taking nephrotoxic drugs like cyclosporine. Elevations may signal impaired kidney function or transplant rejection.
D. Bilirubin: Bilirubin reflects liver function and bile metabolism rather than kidney function. Although important in overall health assessment, it is not used to evaluate renal function in clients post-transplant.
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