HESI LPN
HESI CAT Exam 2022
1. A client with a large pleural effusion undergoes a thoracentesis. Following the procedure, which assessment finding warrants immediate intervention by the nurse?
- A. The client has asymmetrical chest wall expansion
- B. The client complains of pain at the insertion site
- C. The client's chest x-ray indicates decreased pleural effusion
- D. The client's arterial blood gases show pH 7.35, PaO2 85, PaCO2 35, HCO3 26
Correct answer: A
Rationale: Asymmetrical chest wall expansion is a critical finding post-thoracentesis as it may suggest a pneumothorax, requiring immediate intervention to prevent further complications. The other options, such as pain at the insertion site (Choice B), decreased pleural effusion on chest x-ray (Choice C), and normal arterial blood gases within acceptable ranges (Choice D) do not indicate an immediate need for intervention like asymmetrical chest wall expansion does.
2. To reduce the risk of symptoms exacerbation for a client with multiple sclerosis (MS), which instructions should the nurse include in the client’s discharge plan? (Select all that apply).
- A. Practice relaxation exercises
- B. Limit fluids to avoid bladder distention
- C. Space activities to allow for rest periods
- D. Avoid persons with infections
Correct answer: A
Rationale: The correct instruction to include in the discharge plan for a client with MS to reduce symptom exacerbation is practicing relaxation exercises. Relaxation exercises can help manage MS symptoms by reducing stress. Limiting fluids to avoid bladder distention is not appropriate as adequate hydration is essential for overall health and helps prevent complications like urinary tract infections. While spacing activities to allow for rest periods can be beneficial for general well-being, it is not directly related to symptom exacerbation in MS. Avoiding persons with infections is important to prevent infections, but it is not specifically targeted at reducing MS symptom exacerbation.
3. The nurse is assessing an infant with pyloric stenosis. Which pathophysiological mechanism is the most likely consequence of this infant’s clinical picture?
- A. Metabolic acidosis
- B. Metabolic alkalosis
- C. Respiratory alkalosis
- D. Respiratory acidosis
Correct answer: B
Rationale: Pyloric stenosis often leads to metabolic alkalosis due to the loss of gastric acid from vomiting. Metabolic acidosis would not be expected in pyloric stenosis as there is no excessive acid accumulation. Respiratory alkalosis and respiratory acidosis are not typically associated with pyloric stenosis, making them incorrect choices.
4. A female client reports she has not had a bowel movement for 3 days, but now is defecating frequent small amounts of liquid stool. Which action should the nurse implement?
- A. Digitally check the client for a fecal impaction
- B. Increase fluid intake to promote bowel regularity
- C. Provide a high-fiber diet to facilitate bowel movements
- D. Administer a stool softener
Correct answer: A
Rationale: The correct answer is A: Digitally check the client for a fecal impaction. Small, frequent liquid stools following constipation may indicate a fecal impaction. This intervention is crucial to assess and address a potential impaction promptly. Choices B, increasing fluid intake, and C, providing a high-fiber diet, may help with bowel regularity in general cases, but they don't directly address the urgent concern of a possible impaction. Choice D, administering a stool softener, is not appropriate as the first action when a fecal impaction is suspected; it could worsen the condition by causing further liquid stool output without addressing the impaction.
5. A young adult who is hit with a baseball bat on the temporal area of the left skull is conscious when admitted to the ED and is transferred to the Neurological Unit to be monitored for signs of closed head injury. Which assessment finding is indicative of a developing epidural hematoma?
- A. Altered consciousness within the first 24 hours after injury
- B. Confusion immediately following the injury
- C. Headache that resolves quickly
- D. Brief loss of consciousness with a lucid interval
Correct answer: A
Rationale: The correct answer is A. Epidural hematoma often presents with a brief loss of consciousness followed by a lucid interval and then a rapid decline in consciousness. Therefore, altered consciousness within the first 24 hours after the injury is indicative of a developing epidural hematoma. Choices B, C, and D are incorrect because confusion immediately following the injury, headache that resolves quickly, and brief loss of consciousness with a lucid interval are not specific signs of epidural hematoma.
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