A postoperative patient who had surgery for a perforated gastric ulcer has been receiving nasogastric suction for 3 days. The patient now has a serum sodium level of 127 mEq/L (127 mmol/L). Which prescribed therapy should the nurse question?
Administer IV morphine sulfate 4 mg every 2 hours PRN.
Dextrose 5% in 0.9% sodium chloride, continuous infusion.
Infuse 5% dextrose in water at 125 mL/hr.
Neurologic assessment Q2 hours.
The Correct Answer is C
Choice A reason: This statement is false. IV morphine sulfate is a pain medication that can be given as needed to the postoperative patient. It does not affect the serum sodium level.
Choice B reason: This statement is false. Dextrose 5% in 0.9% sodium chloride is a hypertonic solution that can be used to treat hyponatremia, or low serum sodium level. It provides both glucose and sodium to the patient.
Choice C reason: This statement is true. 5% dextrose in water is a hypotonic solution that can cause further dilution of the serum sodium level. It can worsen the hyponatremia and increase the risk of cerebral edema and seizures.
Choice D reason: This statement is false. Neurologic assessment Q2 hours is a necessary intervention for a patient with hyponatremia, as it can monitor for signs of neurologic deterioration such as confusion, lethargy, or coma.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: This statement is false. Glucose: 88 mg/dL is a normal blood sugar level and does not indicate any problem with fluid or electrolyte balance.
Choice B reason: This statement is false. WBCs: 4,000 is slightly below the normal range, but not significantly low. It may indicate a mild infection or inflammation, but not a serious fluid or electrolyte imbalance.
Choice C reason: This statement is false. K+: 3.4 mEq/L is slightly below the normal range, but not dangerously low. It may indicate a mild potassium deficiency, which can cause muscle weakness, but not restlessness or agitation.
Choice D reason: This statement is true. Na+: 154 mEq/L is above the normal range and indicates hypernatremia, or high blood sodium level. This can cause dehydration, confusion, restlessness, agitation, and seizures. It is a medical emergency that requires immediate treatment. Continuous tube feedings can increase the risk of hypernatremia if the formula is too concentrated or the fluid intake is inadequate.
Correct Answer is C
Explanation
Choice A reason: This statement is false. A 12-month-old who is 2-days post-op cleft palate repair whose vital signs are within normal limits is not the priority for pain medication. This infant may have some pain from the surgery, but it is likely to be mild and manageable with non-pharmacological interventions, such as distraction, comfort, or oral care.
Choice B reason: This statement is false. A 6-month-old who is crying and becomes calm when held by a parent is not the priority for pain medication. This infant may have some pain from an unknown cause, but it is likely to be transient and responsive to non-pharmacological interventions, such as soothing, rocking, or cuddling.
Choice C reason: This statement is true. An 8-month-old with legs drawn to chest and a temperature of 39.5 degrees C is the priority for pain medication. This infant may have severe pain from an infection, such as appendicitis, meningitis, or urinary tract infection. This infant may also have signs of inflammation, such as fever, leukocytosis, or elevated C-reactive protein. This infant needs immediate pain relief and antibiotic therapy.
Choice D reason: This statement is false. A 4-month-old that has just returned from the recovery room is not the priority for pain medication. This infant may have some pain from the surgery, but it is likely to be moderate and controlled with pharmacological interventions, such as opioids, NSAIDs, or local anesthetics.
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