The healthcare provider prescribes a maintenance dose of magnesium sulfate 2 grams per hour intravenously (IV) for a client with preeclampsia.
The IV bag contains magnesium sulfate 20 grams in dextrose 5% in water 500 mL. How many mL/hour should the nurse program the infusion pump? (Enter numerical value only)
The Correct Answer is ["50"]
Step 1 is (2 grams/hour ÷ 20 grams) × 500 mL.
Step 2 is (2 ÷ 20) × 500.
Step 3 is 0.1 × 500. The final calculated answer is 50 mL/hour.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Drinking water is not necessary before a triple screen analysis. This test does not require a full bladder.
Choice B rationale
The left lateral tilt position is typically used to prevent supine hypotensive syndrome in pregnant women during ultrasounds, not for a blood draw.
Choice C rationale
A triple screen analysis involves drawing blood from the mother to test for specific markers that indicate the risk of certain fetal abnormalities. Blood sampling is necessary for the analysis.
Choice D rationale
Applying an external fetal monitor is unrelated to a triple screen analysis, which focuses on maternal blood markers rather than fetal heart rate monitoring.
Correct Answer is B
Explanation
Choice A rationale
While heartburn is common during pregnancy due to hormonal changes and pressure from the growing uterus, the presence of 3+ bilateral pitting pedal edema raises concerns. This symptom could indicate a more serious condition, such as preeclampsia, and should not be dismissed as a normal discomfort.
Choice B rationale
Asking if blurred vision and headache have occurred is essential because these symptoms, along with significant edema, are indicators of preeclampsia. Preeclampsia is a serious pregnancy complication characterized by high blood pressure and damage to other organ systems, often requiring immediate medical attention.
Choice C rationale
Checking urine for glucose and ketones is relevant for assessing gestational diabetes but does not address the immediate concern of preeclampsia. The symptoms of edema and possible preeclampsia should be prioritized over concerns of gestational diabetes.
Choice D rationale
Instructing the client to take an antacid for heartburn does not address the critical issue of significant edema. While heartburn relief is important, the symptoms of edema need immediate evaluation to rule out preeclampsia or other complications.
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