NCLEX-PN
NCLEX PN Exam Cram
1. A mother brings her 13-month-old child with Down Syndrome to a pediatric clinic reporting muscle weakness and poor movement. The child's reflexes are noted to be diminished. Which action should the nurse take first?
- A. Contact the physician immediately
- B. Have the patient go for an X-ray for a c-spine work-up
- C. Start an IV on the patient
- D. Position the child's neck in a neutral position
Correct answer: D
Rationale: In a child with Down Syndrome presenting with muscle weakness and diminished reflexes, an atlanto-axial dislocation is a concern. The priority action is to position the child's neck in a neutral c-spine posture to prevent further injury. This should be done before any movement or manipulation. Contacting the physician should follow to ensure appropriate evaluation and management. Initiating an IV is not indicated unless specifically ordered for a medical reason. Ordering an X-ray for a c-spine work-up should not be the first action as it may involve movement that could exacerbate the condition if an injury is present.
2. A nurse is caring for a patient in the step-down unit. The patient has signs of increased intracranial pressure. Which of the following is not a sign of increased intracranial pressure?
- A. Bradycardia
- B. Increased pupil size bilaterally
- C. Change in LOC
- D. Vomiting
Correct answer: B
Rationale: The correct answer is 'Increased pupil size bilaterally.' When assessing for signs of increased intracranial pressure, bilateral pupil dilation is not typically associated with this condition. Instead, unilateral pupil changes, especially one pupil becoming dilated or non-reactive while the other remains normal, are indicative of increased ICP. Bradycardia, a change in level of consciousness (LOC), and vomiting are commonly seen in patients with increased intracranial pressure due to the brain's response to the rising pressure. Therefore, the presence of bilateral pupil dilation goes against the typical pattern observed in patients with increased intracranial pressure.
3. On morning rounds, the nurse finds a somnolent client with a Blood glucose of 89 mg/dL. A sulfonurea and a proton pump inhibitor are scheduled to be administered. What is the nurse's best action?
- A. Give the proton pump inhibitor and hold the sulfonurea until the client eats
- B. Hold medications and notify the physician
- C. Arouse the client and give some orange juice with sugar packets added
- D. Give the medications as ordered and re-check blood sugar in one hour
Correct answer: A
Rationale: The correct action is to give the proton pump inhibitor and hold the sulfonurea until the client eats. Sulfonureas should be held for blood glucose levels below 100 mg/dL until the client has food to prevent hypoglycemia. Giving the proton pump inhibitor is appropriate and does not need to be delayed. Option B is incorrect because holding both medications without taking appropriate action may lead to further complications. Option C is not the best choice as it does not address the need to hold the sulfonurea until the client eats. Option D is incorrect because administering the medications without ensuring the client eats may lead to hypoglycemia.
4. The client asked about the role of leptin in the body. Which response should the nurse provide?
- A. It increases food intake in clients, thereby promoting obesity.
- B. It assists in the regulation of steroids.
- C. It increases the total fat mass of people who are obese.
- D. It might decrease the total fat mass in the bodies of people who are obese.
Correct answer: D
Rationale: Leptin is a protein hormone expressed in fat cells that regulates fat cell percentage in the body. It is associated with increased energy expenditure and decreased food intake through hypothalamic control. In obese individuals, there may be insensitivity or resistance to leptin's effects. Leptin influences other hormones like insulin and genetic factors related to fat regulation. Therefore, the correct response is that leptin might decrease total fat mass in obese individuals as it is involved in energy balance and fat regulation. Choices A, B, and C are incorrect because leptin does not increase food intake or promote obesity; it does not assist in the regulation of steroids, and it does not increase total fat mass in people who are obese.
5. The client develops a tension pneumothorax. Assessment is expected to reveal?
- A. Sudden hypertension and bradycardia
- B. Productive cough with yellow mucus
- C. Tracheal deviation and dyspnea
- D. Sudden development of profuse hemoptysis and weakness
Correct answer: C
Rationale: In a tension pneumothorax, the trachea deviates to the unaffected side due to increased pressure in the affected pleural space, causing respiratory distress. Dyspnea is a hallmark symptom as the lung on the affected side collapses, leading to difficulty in breathing. Sudden hypertension and bradycardia (Choice A) are not typical findings of tension pneumothorax. Productive cough with yellow mucus (Choice B) is more suggestive of respiratory infections rather than a tension pneumothorax. Sudden development of profuse hemoptysis and weakness (Choice D) is not characteristic of tension pneumothorax presentation.
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