NCLEX-RN
NCLEX RN Exam Review Answers
1. A patient is suspected to have sustained a spinal cord injury. What best describes the overarching principles used to guide the care for this type of condition?
- A. Immobilize the cervical area to prevent further injury
- B. Monitor the patient's level of consciousness to prevent neurologic deterioration
- C. Help the patient with activities of daily living and provide emotional and physical support to help them adjust to their injury
- D. Facilitate tissue perfusion to the spinal cord while maintaining airway and breathing
Correct answer: D
Rationale: The correct answer is to facilitate tissue perfusion to the spinal cord while maintaining airway and breathing. In the acute phase of a spinal cord injury, ensuring proper tissue perfusion to the spinal cord is crucial to prevent further damage. Maintaining airway, breathing, and circulation is essential in guiding the overall care for a patient with a spinal cord injury. Choices A, B, and C, while important in certain aspects of care, are not the overarching principles that guide the immediate management of a suspected spinal cord injury.
2. The nurse is caring for a 13-year-old following spinal fusion for scoliosis. Which of the following interventions is appropriate in the immediate post-operative period?
- A. Raise the head of the bed at least 30 degrees
- B. Encourage ambulation within 24 hours
- C. Maintain in a flat position, logrolling as needed
- D. Encourage leg contraction and relaxation after 48 hours
Correct answer: C
Rationale: In the immediate post-operative period following spinal fusion for scoliosis in a 13-year-old, it is important to maintain the patient in a flat position and perform logrolling as needed. This helps prevent injury to the surgical site and ensures proper spinal alignment. Raising the head of the bed at least 30 degrees is contraindicated as it can put strain on the surgical site. Encouraging ambulation within 24 hours may be appropriate in the recovery process but not in the immediate post-operative period. Encouraging leg contraction and relaxation after 48 hours may also be part of the rehabilitation process but is not a priority in the immediate post-operative period.
3. The nurse analyzes the results of a patient's arterial blood gases (ABGs). Which finding would require immediate action?
- A. The bicarbonate level (HCO3) is 31 mEq/L
- B. The arterial oxygen saturation (SaO2) is 92%
- C. The partial pressure of CO2 in arterial blood (PaCO2) is 31 mm Hg
- D. The partial pressure of oxygen in arterial blood (PaO2) is 59 mm Hg
Correct answer: D
Rationale: While all the values are abnormal, the low PaO2 level of 59 mm Hg indicates that the patient is at a critical point on the oxyhemoglobin dissociation curve. At this level, a small decrease in PaO2 can lead to a significant drop in oxygen saturation and compromise tissue oxygenation. Therefore, immediate intervention is necessary to improve the patient's oxygenation status. Choice A (HCO3 of 31 mEq/L) may indicate metabolic alkalosis or compensation for respiratory acidosis; however, it does not require immediate action in this scenario. Choice B (SaO2 of 92%) is slightly low but not critically low to require immediate action. Choice C (PaCO2 of 31 mm Hg) is within the normal range and does not indicate immediate danger to the patient.
4. 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.
5. A patient presents to the office with a pencil that has completely penetrated the palm of her hand. Which of the following treatments would be BEST in this situation?
- A. Assist the doctor while he sedates the patient and removes the pencil from her hand.
- B. Have the patient gently pull the pencil out of her hand and assist the physician with stitches.
- C. Wrap a gauze around the pencil, securing it as much as possible until the patient can get to a local emergency room.
- D. Tell the patient to go to the local emergency room. With a doctor's order, give the patient some aspirin for the pain.
Correct answer: C
Rationale: Penetrating wounds that leave an object behind may have damaged important blood vessels. Removing the object may lead to significant bleeding. The correct approach is to gently wrap the wound with the object in place to help control bleeding and prevent further injury. The patient should be taken promptly to the nearest emergency room where healthcare professionals can safely and appropriately remove the object and provide necessary treatment. Choice A is incorrect because removing the pencil without proper medical evaluation can worsen the injury. Choice B is incorrect because pulling out the object can cause additional damage and bleeding. Choice D is incorrect because giving aspirin without knowing the extent of the injury and causing potential drug interactions can be harmful.
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