HESI RN
HESI RN CAT Exam Quizlet
1. A client with chronic obstructive pulmonary disease (COPD) is receiving oxygen at 4 liters per minute via nasal cannula. The client becomes lethargic and confused. What action should the nurse take first?
- A. Decrease the oxygen flow rate
- B. Increase the oxygen flow rate
- C. Encourage the client to cough and deep breathe
- D. Monitor the client's oxygen saturation level
Correct answer: A
Rationale: In this scenario, the priority action for the nurse is to decrease the oxygen flow rate. Clients with COPD are sensitive to high levels of oxygen and can develop oxygen toxicity, leading to symptoms like lethargy and confusion. Decreasing the oxygen flow rate helps prevent this complication. Increasing the oxygen flow rate would worsen the client's condition. Encouraging coughing and deep breathing may not address the immediate issue of oxygen toxicity. While monitoring the client's oxygen saturation level is important, taking action to address the oxygen toxicity by decreasing the flow rate is the priority in this situation.
2. The nurse is planning care for a client with a stage III pressure ulcer. Which intervention is most important for the nurse to include in the plan of care?
- A. Reposition the client every 2 hours
- B. Cleanse the ulcer with normal saline
- C. Apply a moisture-retentive dressing
- D. Measure the ulcer's depth and diameter
Correct answer: D
Rationale: The correct answer is to measure the ulcer's depth and diameter. This intervention is crucial as it helps monitor healing progress and evaluate the effectiveness of the care plan. Measuring the ulcer provides valuable information about the wound's improvement or deterioration. Repositioning the client every 2 hours (Choice A) is important for preventing further skin breakdown but may not be the priority in this case. Cleansing the ulcer with normal saline (Choice B) is essential for wound care but not the most crucial intervention at this stage. Applying a moisture-retentive dressing (Choice C) can promote healing, but assessing the ulcer's dimensions is more critical for monitoring progress.
3. When the nurse enters the room to change the dressing of a male client with cancer, he asks, 'Have you ever been with someone when they died?' What is the nurse's best response to him?
- A. Yes, I have. Do you have some questions about dying?
- B. Several times. Now, let's get your dressing changed.
- C. A few times. It was peaceful and there was no pain.
- D. Yes, but you're doing great. Are you concerned about dying?
Correct answer: A
Rationale: The correct response is to acknowledge the client's question and open the door for further discussion by asking if they have questions about dying. This approach allows the nurse to address the client's concerns and fears, promoting open communication and providing emotional support. Choices B and C do not encourage further dialogue about the client's feelings and concerns regarding death. Choice D briefly acknowledges the question but does not actively invite the client to express their thoughts and emotions regarding dying.
4. A client with cirrhosis is taking lactulose (Cephulac). Which finding indicates that the lactulose is having the desired effect?
- A. Two to three soft bowel movements per day
- B. Increased serum ammonia levels
- C. Decreased white blood cell count
- D. Soft, formed stool twice a day
Correct answer: A
Rationale: The correct answer is A: 'Two to three soft bowel movements per day.' Lactulose is prescribed to produce soft, regular bowel movements to reduce ammonia levels in clients with cirrhosis. This helps in preventing hepatic encephalopathy. Option B is incorrect because increased serum ammonia levels would indicate that lactulose is not effectively reducing ammonia levels. Option C is incorrect because lactulose does not directly affect white blood cell counts. Option D is incorrect because soft, formed stools twice a day may not be frequent enough to effectively reduce ammonia levels in clients with cirrhosis.
5. The nurse assesses a client who is receiving an infusion of 5% dextrose in water with 20 mEq of potassium chloride. The client has oliguria and a serum potassium level of 6.5 mEq/L. What action should the nurse implement first?
- A. Notify the healthcare provider of the laboratory results
- B. Decrease the rate of the IV infusion
- C. Stop the infusion
- D. Administer sodium polystyrene sulfonate (Kayexalate)
Correct answer: C
Rationale: The correct action for the nurse to implement first is to stop the infusion. Stopping the infusion is crucial to prevent further potassium from being administered, which can exacerbate the client's hyperkalemia. Notifying the healthcare provider of the laboratory results (Choice A) can be done after taking immediate action to stop the infusion. Decreasing the rate of the IV infusion (Choice B) may not be sufficient to address the high potassium level quickly. Administering sodium polystyrene sulfonate (Kayexalate) (Choice D) is not the initial action for managing hyperkalemia; stopping the potassium infusion takes precedence.
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