NCLEX-RN
NCLEX RN Exam Review Answers
1. The nurse is reviewing the lab results of a patient taking lithium for schizoaffective disorder. The lab results show that the blood lithium value is 1.7 mcg/L. What would the nurse take as the priority action?
- A. Induce vomiting
- B. Hold the next dose of Lithium
- C. Administer an antiemetic
- D. Give the next dose of Lithium
Correct answer: B
Rationale: The correct answer is to hold the next dose of Lithium. The blood lithium value of 1.7 mcg/L exceeds the therapeutic range of 0.5-1.5 mcg/L, indicating potential toxicity. Holding the next dose is crucial to prevent further accumulation of lithium in the bloodstream. Inducing vomiting is not appropriate in this situation as the priority is to prevent further absorption of lithium. Administering an antiemetic is not the priority in lithium toxicity. Giving the next dose of lithium would exacerbate the toxicity and should be avoided.
2. A newborn infant in the nursery has developed vomiting, poor feeding, lethargy, and respiratory distress, and has been diagnosed with necrotizing enterocolitis. Which of the following nursing interventions is most appropriate for this infant?
- A. Feed the infant 30 cc of sterile water
- B. Position the infant on his back
- C. Administer antibiotics as ordered
- D. Allow the infant to breastfeed
Correct answer: C
Rationale: Necrotizing enterocolitis (NEC) is a serious condition characterized by ischemic bowel, leading to gastrointestinal symptoms, lethargy, poor feeding, and respiratory distress. In the management of NEC, it is crucial to stop oral feedings, insert a nasogastric tube for decompression, and administer antibiotics as prescribed by the physician. Therefore, the most appropriate nursing intervention for an infant with NEC is to administer antibiotics as ordered. Choice A, feeding the infant sterile water, is incorrect because oral feedings should be stopped in NEC. Choice B, positioning the infant on his back, is not directly related to the treatment of NEC. Choice D, allowing the infant to breastfeed, is contraindicated in NEC as oral feedings should be ceased to prevent further complications.
3. The healthcare provider is caring for a 20 lbs (9 kg) 6-month-old with a 3-day history of diarrhea, occasional vomiting, and fever. Peripheral intravenous therapy has been initiated, with 5% dextrose in 0.33% normal saline with 20 mEq of potassium per liter infusing at 35 ml/hr. Which finding should be reported to the healthcare provider immediately?
- A. 3 episodes of vomiting in 1 hour
- B. Periodic crying and irritability
- C. Vigorous sucking on a pacifier
- D. No measurable voiding in 4 hours
Correct answer: D
Rationale: The correct answer is 'No measurable voiding in 4 hours.' This finding should be reported to the healthcare provider immediately. The concern is the possibility of hyperkalemia, which could occur with continued potassium administration and a decrease in urinary output since potassium is excreted via the kidneys. It is crucial to monitor urinary output in pediatric patients receiving potassium-containing IV solutions to prevent electrolyte imbalances and potential complications. Choices A, B, and C are not the most critical findings that require immediate reporting. '3 episodes of vomiting in 1 hour' may suggest a need for antiemetic therapy or further assessment of the underlying cause but does not pose an immediate risk like the potential electrolyte imbalance from decreased urinary output. 'Periodic crying and irritability' and 'Vigorous sucking on a pacifier' are common behaviors in infants and are not indicative of a critical condition that requires urgent attention in this scenario.
4. The nurse is counting a client's respiratory rate. During a 30-second interval, the nurse counts six respirations, and the client coughs three times. In repeating the count for a second 30-second interval, the nurse counts eight respirations. Which respiratory rate should the nurse document?
- A. 14
- B. 16
- C. 17
- D. 28
Correct answer: B
Rationale: The most accurate respiratory rate is the second count obtained by the nurse, which was not interrupted by coughing. The nurse counted eight respirations over 30 seconds, so doubling this count gives a respiratory rate of 16 breaths per minute. This calculation is based on the assumption that the client's breathing pattern remained relatively stable during the two 30-second intervals. Options A, C, and D are incorrect because they do not reflect the accurate count obtained without interruptions. Choice B (16) is the correct answer as it reflects the uninterrupted count of respirations by the nurse.
5. When caring for a patient with Parkinson's Disease, which of the following practices would not be included in the care plan?
- A. Decrease the calorie content of daily meals to avoid weight gain
- B. Allow the patient extra time to respond to questions and perform ADLs
- C. Use thickened liquids and a soft diet
- D. Encourage the patient to hold the spoon when eating
Correct answer: A
Rationale: The correct answer is to decrease the calorie content of daily meals to avoid weight gain. Patients with Parkinson's Disease often experience dysphagia (difficulty swallowing) and muscle rigidity, which can lead to weight loss. Therefore, increasing calorie intake is essential to meet their nutritional needs. Choice A is incorrect because reducing calories can worsen malnutrition in these patients. Choices B, C, and D are appropriate interventions for patients with Parkinson's Disease. Allowing extra time for tasks, using thickened liquids and a soft diet for swallowing difficulties, and encouraging self-feeding promote independence and safety in eating.
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