NCLEX-RN
NCLEX RN Exam Review Answers
1. Mr. V is receiving treatment for a spinal cord injury after falling off of his deck at home. He has undergone spinal surgery and has been placed in a halo traction device. Which of the following nursing interventions is most appropriate for a client with a spinal cord injury?
- A. Turn the client and use incentive spirometry each shift
- B. Administer stool softeners as ordered
- C. Turn the head slowly to avoid further damage to the spine
- D. Change NPO status
Correct answer: B
Rationale: In a client with a spinal cord injury, administering stool softeners as ordered is a crucial nursing intervention. Patients with spinal cord injuries are at higher risk of constipation due to decreased mobility. Stool softeners help prevent constipation and potential fecal impaction. Turning the client and using incentive spirometry each shift can be beneficial for respiratory function but is not the most vital intervention in this scenario. Turning the head slowly to avoid further damage to the spine is important but is not directly related to preventing constipation. Changing NPO status is not relevant to preventing constipation or managing a spinal cord injury.
2. A serum potassium level of 3.2 mEq/L (3.2 mmol/L) is reported for a patient with cirrhosis who has scheduled doses of spironolactone (Aldactone) and furosemide (Lasix) due. Which action should the nurse take?
- A. Administer both drugs.
- B. Administer the spironolactone.
- C. Withhold the spironolactone and administer the furosemide.
- D. Withhold both drugs until discussed with the healthcare provider.
Correct answer: B
Rationale: A serum potassium level of 3.2 mEq/L is low (hypokalemia), which can be concerning in a patient with cirrhosis who is already at risk for electrolyte imbalances. Spironolactone is a potassium-sparing diuretic that can help increase the patient's potassium level and correct the hypokalemia. Therefore, the appropriate action for the nurse to take in this scenario is to administer the spironolactone. Withholding the spironolactone could further lower the potassium level. Furosemide, on the other hand, is a loop diuretic that can lead to potassium loss and worsen hypokalemia; hence, it should be withheld until the nurse discusses the situation with the healthcare provider. While the healthcare provider should be informed about the low potassium value, immediate administration of spironolactone is necessary to address the hypokalemia in this patient population.
3. The nurse provides preoperative instruction for a patient scheduled for a left pneumonectomy for lung cancer. Which information should the nurse include about the patient's postoperative care?
- A. Positioning on the right side
- B. Bed rest for the first 24 hours
- C. Frequent use of an incentive spirometer
- D. Chest tube placement with continuous drainage
Correct answer: C
Rationale: After a pneumonectomy, frequent deep breathing and coughing are essential to prevent atelectasis and promote gas exchange. Patients are typically positioned on the surgical side to aid in gas exchange. Early mobilization is crucial to reduce the risk of postoperative complications such as pneumonia and deep vein thrombosis. While chest tubes may or may not be placed in the surgical space, if used, they are clamped and only adjusted by the surgeon to manage serosanguineous fluid accumulation. Overfilling of the chest cavity can compromise remaining lung function and cardiovascular status. Chest x-rays are useful for monitoring fluid volume and space postoperatively. Therefore, the correct postoperative care instruction for the patient undergoing a left pneumonectomy is the frequent use of an incentive spirometer. Choices A, B, and D are incorrect as positioning on the right side, bed rest for the first 24 hours, and continuous chest tube drainage are not standard postoperative care practices for patients undergoing pneumonectomy.
4. An infant with hydrocele is seen in the clinic for a follow-up visit at 1 month of age. The scrotum is smaller than it was at birth, but fluid is still visible on illumination. Which of the following actions is the physician likely to recommend?
- A. Massaging the groin area twice a day until the fluid is gone.
- B. Referral to a surgeon for repair.
- C. No treatment is necessary; the fluid is reabsorbing normally.
- D. Keeping the infant in a flat, supine position until the fluid is gone.
Correct answer: C
Rationale: A hydrocele is a collection of fluid in the scrotum that results from a patent tunica vaginalis. Illumination of the scrotum with a pocket light demonstrates the clear fluid. In most cases, the fluid reabsorbs within the first few months of life and no treatment is necessary. Massaging the groin area (Choice A) is not recommended as it will not help in the resolution of the hydrocele. Referral to a surgeon (Choice B) is not necessary at this stage since hydroceles often resolve on their own in infants. Keeping the infant in a flat, supine position (Choice D) does not aid in the reabsorption of fluid and is not a recommended intervention for hydrocele management.
5. A client in the ICU has been intubated and placed on a ventilator. The physician orders synchronous intermittent mandatory ventilation (SIMV). Which statement best describes the work of this mode of ventilation?
- A. The ventilator delivers a set rate and tidal volume regardless of whether the client is attempting to breathe
- B. The ventilator coordinates delivered breaths with the client's respiratory efforts
- C. The ventilator provides a supplemental breath for every third breath of the client
- D. The ventilator provides breaths during the expiratory phase of the client's respirations
Correct answer: B
Rationale: Synchronous intermittent mandatory ventilation (SIMV) is a ventilation mode that coordinates delivered breaths with the client's own respiratory efforts. This mode allows the client to initiate breaths, with the ventilator providing preset breaths at a controlled rate and volume. Option A is incorrect because in SIMV, the ventilator syncs with the client's respiratory efforts. Option C is incorrect as it does not accurately depict the way SIMV works. Option D is also incorrect as SIMV does not specifically provide breaths during the expiratory phase of the client's respirations. Therefore, the correct answer is B, where the ventilator coordinates breath delivery with the client's breathing efforts.
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