Nursing Elites

1. A nurse is caring for a client in preterm labor who is receiving magnesium sulfate by continuous IV infusion. Which of the following client findings indicates medication toxicity?

• A. Blood glucose of 150 mg/dL
• B. Urine output of 20 mL per hour
• C. Systolic blood pressure of 140 mm Hg
• D. BUN 20 mg/dL

Correct answer: B

Rationale: A urine output of 20 mL per hour is low and indicates renal insufficiency, a sign of magnesium sulfate toxicity. The medication is excreted by the kidneys, so toxicity can occur if renal function declines. Blood glucose of 150 mg/dL is within normal range and not indicative of magnesium sulfate toxicity. A systolic blood pressure of 140 mm Hg is elevated but not specifically related to magnesium sulfate toxicity. A BUN level of 20 mg/dL is also within normal limits and not a sign of medication toxicity.

2. A client has been prescribed lithium for bipolar disorder. Which of the following should the nurse teach the client to monitor for signs of toxicity?

• A. Nausea and vomiting
• B. Increased urination
• C. Tremors
• D. Blurred vision

Correct answer: C

Rationale: The correct answer is C: Tremors. Lithium toxicity can present with symptoms such as tremors, nausea, and blurred vision. Tremors are a common early sign of lithium toxicity and should be monitored closely. While nausea and vomiting can also occur with lithium toxicity, tremors are more specific to lithium toxicity. Increased urination is not typically associated with lithium toxicity, and blurred vision is less common compared to tremors in this context.

3. A laboring client received meperidine IV one hour prior to delivery. Which of the following medications should the nurse have available to counteract the effects of this medication on the newborn?

• A. Naloxone
• B. Epinephrine
• C. Atropine
• D. Diazepam

Correct answer: A

Rationale: Meperidine is an opioid analgesic that can cross the placenta and cause respiratory depression in the newborn. Naloxone is an opioid antagonist that is administered to reverse the effects of opioids. It is critical to have Naloxone available when opioids are administered during labor, especially close to delivery. Epinephrine is not used to counteract the effects of opioids but rather for managing severe allergic reactions or cardiac arrest. Atropine is used for specific conditions like bradycardia, not to counteract opioid effects. Diazepam is a benzodiazepine used for anxiety, seizures, and muscle spasms, not for reversing opioid effects.

4. A nurse is reviewing the ABG results of a client with chronic emphysema. Which result suggests the need for further treatment?

• A. PaO2 level of 89 mm Hg
• B. PaCO2 level of 55 mm Hg
• C. HCO3 level of 25 mEq/L
• D. pH level of 7.37

Correct answer: B

Rationale: The correct answer is B. A PaCO2 level of 55 mm Hg is elevated, indicating carbon dioxide retention, a common complication of emphysema that necessitates intervention. Elevated PaCO2 can lead to respiratory acidosis, reflecting inadequate ventilation. Choices A, C, and D are within normal ranges. A PaO2 level of 89 mm Hg is acceptable. An HCO3 level of 25 mEq/L falls within the normal range, suggesting adequate compensation. A pH level of 7.37 is also within the normal range, indicating the client's acid-base balance is maintained.

5. Which of the following interventions is most appropriate for a client with hyperemesis gravidarum?

• A. Encourage high-calorie meals
• B. Administer intravenous fluids
• C. Provide frequent small meals
• D. Limit fluid intake

Correct answer: B

Rationale: The correct answer is B: Administer intravenous fluids. Hyperemesis gravidarum is severe, persistent nausea and vomiting during pregnancy that can lead to dehydration and electrolyte imbalances. The priority intervention is to administer intravenous fluids to maintain hydration. Encouraging high-calorie meals (Choice A) may exacerbate symptoms due to increased gastric stimulation. Providing frequent small meals (Choice C) may not be effective in severe cases where continuous vomiting occurs. Limiting fluid intake (Choice D) is contraindicated in hyperemesis gravidarum as dehydration is a significant concern.

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