ATI LPN
PN ATI Comprehensive Predictor
1. 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.
2. Which dietary instruction is appropriate for a client with chronic kidney disease?
- A. Increase the intake of potassium
- B. Limit the intake of phosphorus-rich foods
- C. Encourage the intake of protein-rich foods
- D. Advise the client to increase fluid intake
Correct answer: B
Rationale: Limiting the intake of phosphorus-rich foods is appropriate for a client with chronic kidney disease. In individuals with chronic kidney disease, the kidneys cannot filter phosphorus effectively, leading to a buildup in the blood. This can result in bone and heart problems. Therefore, reducing phosphorus intake is crucial to prevent complications. Choices A, C, and D are incorrect. Increasing potassium intake may be harmful as potassium levels can accumulate in the blood with impaired kidney function. Encouraging protein-rich foods may not be suitable as excessive protein intake can strain the kidneys. Advising to increase fluid intake should be done cautiously as individuals with chronic kidney disease may need to restrict fluids based on their stage of the disease.
3. A nurse is caring for a client who has diabetes mellitus and is experiencing hypoglycemia. Which of the following findings should the nurse expect?
- A. Bradycardia
- B. Tachycardia
- C. Hypotension
- D. Diaphoresis
Correct answer: A
Rationale: Corrected Rationale: Bradycardia is a common sign of hypoglycemia due to the body's response to low blood sugar. During hypoglycemia, the body releases epinephrine, leading to sympathetic nervous system activation. This can result in bradycardia as a compensatory mechanism to preserve glucose for vital organs such as the brain. Tachycardia, hypotension, and diaphoresis are more commonly associated with hypoglycemia when it progresses to severe stages and the body's compensatory mechanisms are overwhelmed.
4. A home health nurse is caring for an older adult client who just returned home following a total knee arthroplasty. Which of the following actions should the nurse take first?
- A. Assess mobility
- B. Monitor vital signs
- C. Provide pain relief
- D. Reinforce discharge teaching
Correct answer: A
Rationale: Assessing mobility should be the nurse's priority as it ensures the client's safety and helps in developing an appropriate care plan. By evaluating the client's ability to move after the knee arthroplasty, the nurse can identify any immediate issues or complications that need to be addressed promptly. Monitoring vital signs, providing pain relief, and reinforcing discharge teaching are important aspects of care but assessing mobility takes precedence in ensuring the client's immediate well-being and identifying any potential risks.
5. A nurse is delegating the collection of a sputum specimen to an assistive personnel (AP). At which of the following times should the nurse instruct the AP to collect the specimen?
- A. In the afternoon
- B. As soon as the client awakens in the morning
- C. Before bedtime
- D. Immediately after lunch
Correct answer: B
Rationale: The correct answer is B: 'As soon as the client awakens in the morning.' Sputum specimens should be collected early in the morning to obtain a concentrated sample. This timing ensures that the specimen is less diluted, providing a more accurate analysis. Choices A, C, and D are incorrect as they do not align with the optimal timing for collecting a sputum specimen, which is in the morning.
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