The nurse is caring for a client who is being treated with Magnesium Sulphate.
Ordered 2g/hr
Supplied 10g/250ml bag
What would be the correct calculations for the maintenance dose in ml/hr
50mg/hr
50ml/hr
5mg/mi
5ml/hr
The Correct Answer is B
A. 50mg/hr is not the correct unit for volume, it’s the dose in milligrams.
B. 50 mL/hr is the correct volume to administer to achieve the ordered dose of 2g/hr. Determine the concentration of the solution: The supply is 10g in 250mL. This means the concentration is 10g / 250mL, or 0.04g/mL (since 10g = 10,000mg, this is equivalent to 40mg/mL). Convert the ordered dose to match the concentration: The order is for 2g/hr (which is 2,000mg/hr). Calculate the volume to be infused to deliver the desired dose: Dose = Ordered/concentration= 2000/40= 50 mL/hr
C. 5mg/mL refers to the concentration, not the rate of infusion.
D. 5 mL/hr would administer only 200mg/hr, which is much lower than the ordered dose of 2g/hr.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Limit the amount of time the infant nurses on each breast is not an effective strategy for preventing sore nipples. The issue is usually related to poor latch or positioning, not the duration of breastfeeding. Limiting nursing time could negatively impact milk supply and bonding.
B. Apply nipple shields when not breastfeeding the infant is not typically recommended as a preventive measure for sore nipples. Nipple shields are more often used to assist with latching problems, not to prevent soreness. Prolonged use can sometimes contribute to nipple confusion and further complications.
C. Instruct client to apply lanolin-based product to nipples can provide temporary relief for sore or cracked nipples, but it does not prevent soreness. The root cause of nipple pain is often related to improper positioning and latch, so this is more of a remedy than a preventive measure.
D. Ensure that the client positions and latches the infant correctly on the breast is the most effective way to prevent sore nipples. A proper latch ensures that the infant is effectively removing milk and reduces the likelihood of nipple trauma. The nurse should help the client with correct positioning, ensuring that the infant's mouth covers a large portion of the areola, not just the nipple.
Correct Answer is D
Explanation
A. Increase in dietary protein is not the appropriate response based on the results of the glucose challenge test. Protein intake may be adjusted for other health reasons but is not typically a first-line intervention after an abnormal GCT result.
B. Schedule a repeat Glucose Challenge Test (GCT) is not typically the next step. If the initial GCT is abnormal (usually a result >130-140 mg/dL), a repeat test is not recommended. Instead, a 3-hour glucose tolerance test (GTT) is used to confirm or rule out gestational diabetes.
C. Restrict carbohydrate intake might be part of managing gestational diabetes if it is diagnosed, but it is not the immediate next step after an abnormal GCT result. The focus is on further testing with a 3-hour GTT to confirm gestational diabetes.
D. Return for a fasting 3-hour glucose tolerance test (GTT) is the correct next step. If a client’s GCT result is ≥130-140 mg/dL, a 3-hour GTT is typically scheduled. The 3-hour GTT is a more comprehensive test that involves fasting and measuring blood glucose levels after consuming a larger dose of glucose (100 g). This test is used to diagnose gestational diabetes.
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