A healthcare provider prescribes a maintenance dose of 2 grams per hour of intravenous magnesium sulfate for a client with preeclampsia.
The IV bag contains 20 grams of magnesium sulfate in 500 mL of 5% dextrose in water.
How many mL/hour should the nurse set the infusion pump to deliver? (Note: This is a medical math, so no options are provided.)
The Correct Answer is ["50"]
To calculate the rate at which the infusion pump should be set, we need to determine how many mL of the solution contain 2 grams of magnesium sulfate.
Step 1: First, we find out how many grams of magnesium sulfate are in 1 mL of the solution. The IV bag contains 20 grams of magnesium sulfate in 500 mL, so we divide 20 grams by 500 mL to get the amount of magnesium sulfate per mL: 20 grams ÷ 500 mL = 0.04 grams/mL
Step 2: Next, we find out how many mL contain 2 grams of magnesium sulfate.
We divide 2 grams by the amount of magnesium sulfate per mL: 2 grams ÷ 0.04 grams/mL = 50 mL Therefore, the nurse should set the infusion pump to deliver 50 mL per hour.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
While episodes of headache and irritability can occur as side effects of metformin and menotropins, they are not typically severe enough to warrant immediate reporting.
Choice B rationale
Persistent daytime fatigue can be a side effect of these medications, but it is also a common symptom in pregnancy and is not typically a cause for immediate concern.
Choice C rationale
Nausea and vomiting can occur as side effects of these medications. However, they are common side effects and are not typically a cause for immediate concern unless they are severe or persistent.
Choice D rationale
A rapid increase in abdominal girth can be a sign of ovarian hyperstimulation syndrome, a rare but potentially serious side effect of fertility treatments. This condition can cause rapid weight gain, abdominal pain, and bloating, and should be reported immediately.
Correct Answer is ["C","D","E"]
Explanation
Choice A rationale
Return of lochia rubra, or bright red bleeding, is not a sign of postpartum depression. It is a normal part of the postpartum period and can last for several weeks after childbirth.
Choice B rationale
Engorged, painful breasts can be a sign of breastfeeding complications, but they are not a sign of postpartum depression. They are a common experience for many women as their milk comes in after childbirth.
Choice C rationale
Difficulty falling asleep, even when the baby is sleeping, can be a sign of postpartum depression. Sleep disturbances are common among women with postpartum depression.
Choice D rationale
Decreased appetite can be a sign of postpartum depression. Changes in eating habits, such as eating too little or too much, are common symptoms of depression.
Choice E rationale
Feelings of sadness that last for more than two weeks after childbirth can be a sign of postpartum depression. While many women experience “baby blues” in the first few weeks after childbirth, prolonged feelings of sadness can indicate a more serious issue.
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