A nurse is reviewing a client's prescription for 1,000 ml of 5% dextrose in water IV to infuse over 8 hr. At 1400, the nurse observes that there is 500 ml of solution remaining in the client's current IV bag. At what time should the nurse administer the next bag of IV solution?
1700
1600
1500
1800
The Correct Answer is D
The total volume to infuse is 1,000 ml over 8 hours, which calculates to a rate of 125 ml/hour (1,000 ml ÷ 8 hr).
- By 1400, the client has already received 500 ml (since there is 500 ml remaining in the IV bag).
- The infusion has been running for 4 hours (from 1000 to 1400), which means the nurse has infused 500 ml (125 ml/hour × 4 hours).
- Since there are 500 ml remaining in the bag, it will take another 4 hours to complete the infusion (500 ml ÷ 125 ml/hour).
- Therefore, if the nurse administers the next bag immediately after the current one runs out, it will be at 1800 (1400 + 4 hours).
- However, the timing of administering the next bag depends on when the current bag will run out. Since there is still 500 ml remaining, it will take 4 more hours until the IV solution runs out, which is at 1800.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. A chest tube to water seal is used to remove air or fluid from the pleural space. This does not directly impact the client's potassium levels.
B. A tracheostomy tube attached to humidified oxygen delivers oxygen directly to the client's airway and does not have a direct effect on potassium levels.
C. An indwelling urinary catheter to gravity drainage does not typically cause significant potassium loss. Urinary catheters primarily collect urine, which contains waste products, rather than electrolytes like potassium.
D. A client with an NG tube to suction may experience loss of gastric contents, which can lead to the loss of electrolytes, including potassium. This places the client at risk for hypokalemia.
Correct Answer is B
Explanation
A. A sheepskin heel pad is primarily used for pressure ulcer prevention, not for preventing plantar flexion contractures.
B. A footboard helps maintain the feet in a dorsiflexed position, preventing plantar flexion contractures in clients with impaired mobility. This device provides support and alignment to the lower extremities.
C. A trochanter roll is used to prevent external rotation of the hips and to maintain proper alignment. It is not specifically designed to prevent plantar flexion contractures.
D. An abduction pillow is used to maintain hip alignment and prevent hip adduction. It is not designed to address plantar flexion contractures.
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