Nursing Elites

1. The healthcare provider prescribes magnesium sulfate 6 grams intravenously (IV) to be infused over 20 minutes for a client with preterm labor. The IV bag contains magnesium sulfate 20 grams in dextrose 5% in water 500 mL. How many mL/hour should the nurse set the infusion pump?

• A. 150 mL/hour
• B. 250 mL/hour
• C. 50 mL/hour
• D. 275 mL/hour

Correct answer: A

Rationale: To calculate the infusion rate, first, determine the total volume to be infused (6 grams of magnesium sulfate) over a specific time frame (20 minutes). Then, calculate the concentration of magnesium sulfate in the IV bag to determine the mL/hour rate. The IV bag contains 20 grams of magnesium sulfate in 500 mL of solution, which means there are 4 grams of magnesium sulfate per 100 mL. Since 6 grams are required, the nurse should set the pump to deliver 150 mL/hour to infuse the prescribed dose over 20 minutes. Choice B, 250 mL/hour, is incorrect because it miscalculates the amount of magnesium sulfate infused per hour. Choice C, 50 mL/hour, is incorrect as it is too slow to deliver the required dose in the specified time frame. Choice D, 275 mL/hour, is incorrect as it overestimates the infusion rate and would deliver the dose too quickly.

2. In developing a teaching plan for expectant parents, the nurse plans to include information about when the parents can expect the infant's fontanels to close. The LPN/LVN bases the explanation on knowledge that for the normal newborn, the

• A. anterior fontanel closes at 2 to 4 months and the posterior by the end of the first week.
• B. anterior fontanel closes at 5 to 7 months and the posterior by the end of the second week.
• C. anterior fontanel closes at 8 to 11 months and the posterior by the end of the first month.
• D. anterior fontanel closes at 12 to 18 months and the posterior by the end of the second month.

Correct answer: D

Rationale: The anterior fontanel typically closes between 12 to 18 months, while the posterior fontanel usually closes by the end of the second month. It is important for parents to know these timeframes as it helps in monitoring the normal growth and development of their newborn. Delayed closure of fontanels may indicate potential health issues, and early closure may also warrant further evaluation by healthcare providers.

3. The LPN/LVN caring for a laboring client encourages her to void at least q2h, and records each time the client empties her bladder. What is the primary reason for implementing this nursing intervention?

• A. Emptying the bladder during delivery is difficult because of the position of the presenting fetal part.
• B. An over-distended bladder could be traumatized during labor as well as prolong the progress of labor.
• C. Urine specimens for glucose and protein must be obtained at certain intervals throughout labor.
• D. Frequent voiding minimizes the need for catheterization, which increases the chance of bladder infection.

Correct answer: B

Rationale: The primary reason for encouraging the laboring client to void regularly is to prevent an over-distended bladder, which could impede the descent of the fetus, prolong labor, and be at risk for trauma during delivery. Choice A is incorrect because the difficulty in emptying the bladder during delivery is not the main reason for this nursing intervention. Choice C is incorrect as it pertains to obtaining urine specimens for glucose and protein, not the primary reason for encouraging voiding. Choice D is incorrect because although frequent voiding can indeed minimize the need for catheterization, the primary reason is to prevent an over-distended bladder and potential complications.

4. A multiparous client is involuntarily pushing while being wheeled into the labor triage area. The nurse observes the fetal head presenting at the perineum. Which action should the nurse take?

• A. Support the infant as it emerges.
• B. Review prenatal laboratory results.
• C. Obtain fetal heart tones.
• D. Apply suprapubic pressure.

Correct answer: A

Rationale: When the fetal head is visible at the perineum, the priority is to support the infant's birth to prevent injury. Providing support as the infant emerges helps ensure a safe delivery process and reduces the risk of complications associated with rapid or uncontrolled birth.

5. A 4-week-old premature infant has been receiving epoetin alfa (Epogen) for the last three weeks. Which assessment finding indicates to the healthcare provider that the drug is effective?

• A. Slowly increasing urinary output over the last week.
• B. Respiratory rate changes from the 40s to the 60s.
• C. Changes in apical heart rate from the 180s to the 140s.
• D. Change in indirect bilirubin from 12 mg/dl to 8 mg/dl.

Correct answer: C

Rationale: The correct answer is C. Epoetin alfa stimulates erythropoiesis, leading to an increase in red blood cell production and improving oxygen-carrying capacity. As the oxygenation status improves, there is a reduction in heart rate. Therefore, changes in apical heart rate from the 180s to the 140s indicate that the drug is effective. Choices A, B, and D are incorrect because they do not directly reflect the expected outcome of epoetin alfa therapy. Increasing urinary output, changes in respiratory rate, and decreasing bilirubin levels are not primary indicators of the drug's effectiveness in this context.

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