HESI LPN
HESI CAT Exam Test Bank
1. A client with intestinal obstructions has a nasogastric tube to low intermittent suction and is receiving an IV of lactated Ringer’s at 100 ml/H. Which finding is most important for the nurse to report to the healthcare provider?
- A. Gastric output of 900 mL in the last 24 hours
- B. Serum potassium level of 3.1 mEq/L or mmol/L (SI)
- C. Increased blood urea nitrogen (BUN)
- D. 24-hour intake at the current infusion rate
Correct answer: B
Rationale: The most crucial finding to report to the healthcare provider in this scenario is a serum potassium level of 3.1 mEq/L. Hypokalemia can lead to serious complications, including cardiac issues. Gastric output, increased BUN, and monitoring the 24-hour intake are essential but do not pose an immediate risk as hypokalemia does in this situation.
2. 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.
3. After the diagnosis and initial treatment of a 3-year-old with Cystic fibrosis, the nurse provides home care instructions to the mother. Which statement by the child's mother indicates that she understands home care treatment to promote pulmonary functions?
- A. Chest physiotherapy should be performed twice a day before a meal
- B. Energy should be conserved by scheduling minimally strenuous activities
- C. Administer a cough suppressant every 8 hours
- D. Maintain supplemental oxygen at 4 to 6 L/minute
Correct answer: A
Rationale: The correct answer is A. Chest physiotherapy is essential for maintaining pulmonary function in cystic fibrosis. It should be performed regularly, often twice daily, to clear mucus from the lungs. Choice B is incorrect because conserving energy does not directly promote pulmonary function. Choice C is incorrect as cough suppressants are not typically used to promote pulmonary function in cystic fibrosis. Choice D is incorrect as maintaining supplemental oxygen at 4 to 6 L/minute is not a standard home care treatment for promoting pulmonary functions in cystic fibrosis.
4. A client with skin grafts covering full-thickness burns on both arms and legs is scheduled for a dressing change. The client is nervous and requests that the dressing change be skipped this time. What action is most important for the nurse to take?
- A. Explain the importance of regular dressing changes
- B. Administer an anti-anxiety medication
- C. Proceed with the scheduled dressing change
- D. Encourage the client to express any anxieties
Correct answer: A
Rationale: In this situation, the most important action for the nurse to take is to explain the importance of regular dressing changes to the client. By doing so, the nurse can help the client understand the necessity for wound healing and infection prevention. Administering anti-anxiety medication (Choice B) may not address the root cause of the client's anxiety, which is the lack of understanding. Proceeding with the scheduled dressing change (Choice C) without addressing the client's concerns can worsen their anxiety and decrease trust. Encouraging the client to express any anxieties (Choice D) is important but not as crucial as ensuring the client comprehends the rationale behind the dressing change.
5. A male client with cirrhosis has jaundice and pruritus. He tells the nurse that he has been soaking in hot baths at night with no relief of his discomfort. What action should the nurse take?
- A. Explain that the symptoms are caused by liver damage and can be managed
- B. Obtain a PRN prescription for an analgesic that the client can use for symptom relief
- C. Encourage the client to use cooler water and apply oil-based lotion after soaking
- D. Suggest that the client take brief showers and apply oil-based lotion after showering
Correct answer: D
Rationale: Cooler water and oil-based lotion can help relieve pruritus and improve comfort in clients with cirrhosis experiencing jaundice and pruritus. Hot baths can exacerbate itching, so it is important to suggest cooler showers instead. Choice A is incorrect because symptoms like pruritus can be managed. Choice B is not the most appropriate initial intervention for pruritus related to liver disease. Choice C suggests the use of calamine lotion, which may not be as effective as oil-based lotion for relieving pruritus in this case.
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