NCLEX-RN
NCLEX RN Exam Review Answers
1. Why should a 30-year-old Caucasian woman who works the night shift take Vitamin D supplements?
- A. It's a standard part of the overall nutritional treatment for the prevention of osteomalacia.
- B. It helps your intestines absorb calcium, which is important for bone formation.
- C. It stimulates skin cells to produce calcium, which is then released into the bloodstream to be used for bone formation.
- D. Vitamin D supplements should not be taken by someone of your age.
Correct answer: B
Rationale: The correct answer is B: 'It helps your intestines absorb calcium, which is important for bone formation.' Vitamin D plays a crucial role in aiding the absorption of calcium from the intestines into the bloodstream, which is essential for bone health and formation. Choice A is incorrect because it does not specifically address the role of Vitamin D in calcium absorption. Choice C is incorrect as Vitamin D does not stimulate skin cells to produce calcium; rather, it helps regulate calcium levels in the body. Choice D is incorrect as age alone is not a contraindication for Vitamin D supplementation; the need for supplementation is based on individual health status and risk factors.
2. During an assessment of a child admitted to the hospital with a probable diagnosis of nephrotic syndrome, what assessment findings should the nurse expect to observe? Select one that applies.
- A. Proteinuria
- B. Weight gain
- C. Decreased serum lipids
- D. Hematuria
Correct answer: A
Rationale: In nephrotic syndrome, the hallmark finding is massive proteinuria due to increased glomerular permeability. This leads to hypoalbuminemia, resulting in generalized edema. Weight gain, not weight loss, is typically seen due to fluid retention. Serum lipids are elevated, not decreased, in nephrotic syndrome. Hematuria, the presence of blood in the urine, is not a typical finding in nephrotic syndrome.
3. A patient's nursing diagnosis is Insomnia. The desired outcome is: "Patient will sleep for a minimum of 5 hours nightly by October 31."? On November 1, a review of the sleep data shows the patient sleeps an average of 4 hours nightly and takes a 2-hour afternoon nap. What is the nurse's next action?
- A. Continue the current plan without changes.
- B. Remove this nursing diagnosis from the plan of care.
- C. Write a new nursing diagnosis that better reflects the problem.
- D. Revise the target date for outcome attainment and examine interventions.
Correct answer: D
Rationale: The correct action for the nurse in this scenario is to revise the target date for outcome attainment and reevaluate interventions. The initial desired outcome was for the patient to sleep for a minimum of 5 hours nightly by October 31. Since the patient is currently sleeping an average of 4 hours nightly and taking a 2-hour afternoon nap, the goal has not been achieved. By extending the time frame for attaining the outcome, the patient may have more time to progress towards the desired sleep duration. Additionally, examining interventions is crucial to identify any changes or adjustments that may be necessary to help the patient achieve the desired outcome. Continuing the current plan without changes is not appropriate as the goal has not been met. Removing the nursing diagnosis from the plan of care should only be considered when the problem is resolved. Writing a new nursing diagnosis is not needed as the current diagnosis of Insomnia still accurately reflects the patient's condition.
4. Which of the following can cause coup-contrecoup injuries?
- A. Rotational forces
- B. Deformation forces
- C. Deceleration forces
- D. Acceleration forces
Correct answer: C
Rationale: Deceleration forces occur when the head is moving and abruptly comes to a stop, such as in a car crash. This sudden deceleration can cause the brain to hit against the skull, resulting in coup-contrecoup injuries. In a coup-contrecoup injury, the brain is damaged on opposite sides due to the initial impact and the rebound effect inside the skull. Rotational forces usually result in diffuse axonal injuries rather than coup-contrecoup injuries. Deformation forces can cause focal brain injuries but not coup-contrecoup injuries. Acceleration forces typically lead to diffuse brain injuries, not coup-contrecoup injuries. Therefore, the correct answer is deceleration forces.
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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