The nurse is reviewing serum laboratory values for a client who is scheduled for surgery tomorrow. Which value requires the nurse to promptly notify the surgeon?
Serum glucose of 118 mg/dL
Blood urea nitrogen (BUN) of 16 mg/dL
Serum sodium of 130 mEq/L
Serum potassium of 3.9 mEq/L
The Correct Answer is C
A. Serum glucose of 118 mg/dL: This value is slightly above the normal range but not critically elevated; it does not typically require immediate notification to the surgeon.
B. Blood urea nitrogen (BUN) of 16 mg/dL: This BUN level is within the normal range and does not suggest an immediate concern for surgical risk.
C. Serum sodium of 130 mEq/L: A serum sodium level of 130 mEq/L indicates hyponatremia, which can lead to serious complications including neurological symptoms and should be addressed prior to surgery.
D. Serum potassium of 3.9 mEq/L: This level is within the normal range and does not require immediate action related to surgery.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Respiratory acidosis without compensation: The pH of 7.22 indicates acidosis, but the HCO3 level of 23 mEq/L suggests that compensation is occurring because the HCO3 is within the normal range for respiratory acidosis.
B. Metabolic acidosis with full compensation: The high PaCO2 level is more indicative of respiratory issues, not metabolic acidosis. Additionally, compensation for metabolic acidosis would show elevated HCO3.
C. Respiratory acidosis with partial compensation: The elevated PaCO2 and low pH indicate respiratory acidosis. The normal HCO3 level suggests partial compensation by the kidneys.
D. Metabolic acidosis without compensation: The elevated PaCO2 and normal HCO3 suggest respiratory acidosis rather than metabolic acidosis.
Correct Answer is C
Explanation
A. 10% dextrose in water: This solution is used primarily for providing calories and is not suitable for volume replacement.
B. 10% dextrose in 0.45% sodium chloride: This solution combines dextrose and a hypotonic sodium chloride solution, which is not ideal for immediate volume replacement in severe bleeding cases.
C. 0.9% sodium chloride: This is the correct choice. Normal saline (0.9% sodium chloride) is an isotonic solution used for volume replacement, especially in cases of significant blood loss.
D. 2.5% sodium chloride: This is a hypotonic solution and would not be appropriate for volume replacement in severe bleeding as it does not adequately address the need for fluid resuscitation.
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