ATI LPN
ATI PN Comprehensive Predictor 2020 Answers
1. How should a healthcare professional assess a patient for potential deep vein thrombosis (DVT)?
- A. Assess for unilateral leg swelling
- B. Encourage early mobilization
- C. Check for calf tenderness
- D. Observe for redness and warmth
Correct answer: A
Rationale: To assess a patient for potential deep vein thrombosis (DVT), healthcare professionals should look for unilateral leg swelling. This is a classic sign of DVT. While encouraging early mobilization is generally beneficial for preventing DVT, it is not a method of assessment. Checking for calf tenderness is also relevant but not as specific as unilateral leg swelling. Observing for redness and warmth can be signs of inflammation but are not as specific to DVT as unilateral leg swelling.
2. Which of the following interventions should the nurse implement for a client with hyperkalemia?
- A. Administer calcium gluconate
- B. Increase fluid intake to promote potassium excretion
- C. Administer a diuretic
- D. Administer sodium bicarbonate
Correct answer: A
Rationale: The correct intervention for a client with hyperkalemia is to administer calcium gluconate. Calcium gluconate helps counteract the effects of hyperkalemia by stabilizing the cardiac cell membrane. Increasing fluid intake (Choice B) may not effectively lower potassium levels. Administering a diuretic (Choice C) or sodium bicarbonate (Choice D) is not the primary treatment for hyperkalemia and may not address the immediate need to lower potassium levels.
3. A client with a pressure ulcer is being cared for by a nurse. Which of the following is the most appropriate action?
- A. Use a phenol solution to clean the wound
- B. Place a warm compress over the wound
- C. Cleanse the wound from the center outwards
- D. Administer antibiotics prophylactically
Correct answer: C
Rationale: Cleaning a wound from the center outwards is the most appropriate action as it helps prevent the spread of infection. Choice A is incorrect as phenol solutions can be harmful to the wound and delay healing. Choice B may increase the risk of infection as warmth can promote bacterial growth. Choice D is unnecessary unless there are signs of infection present.
4. A client with asthma is being taught how to use a peak flow meter by a nurse. Which of the following instructions should the nurse include?
- A. Perform the test in the morning after taking medications
- B. Blow into the meter as slowly as possible
- C. Perform the test when feeling short of breath
- D. Use the peak flow meter after using your rescue inhaler
Correct answer: D
Rationale: The correct instruction is to use the peak flow meter after using the rescue inhaler. This ensures accurate monitoring of asthma control during symptoms. Choice A is incorrect because peak flow measurements should be done before taking medications. Choice B is incorrect as the client should blow into the meter quickly and forcefully to get an accurate reading. Choice C is also incorrect as peak flow should be measured regularly, not just when feeling short of breath.
5. A nurse is reviewing the medical record of a client who is receiving warfarin for atrial fibrillation. Which of the following findings should the nurse report to the provider?
- A. International normalized ratio (INR) of 2.5
- B. Platelet count of 180,000/mm³
- C. Prothrombin time (PT) of 12 seconds
- D. Partial thromboplastin time (PTT) of 30 seconds
Correct answer: C
Rationale: A prothrombin time (PT) of 12 seconds is below the therapeutic range for warfarin and indicates a need for dosage adjustment. The correct answer is C. A normal International normalized ratio (INR) for a client on warfarin therapy is usually between 2.0 to 3.0; therefore, an INR of 2.5 is within the expected range. A platelet count of 180,000/mm³ is within the normal range (150,000 to 450,000/mm³) and does not require immediate reporting. A partial thromboplastin time (PTT) of 30 seconds is also within the normal range (25-35 seconds) and does not indicate a need for urgent action.
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