ATI LPN
ATI PN Adult Medical Surgical 2019
1. The nurse is caring for a client who is receiving chemotherapy. Which laboratory result indicates that the client is at risk for infection?
- A. Hemoglobin level of 12 g/dL.
- B. Platelet count of 150,000/mm3.
- C. White blood cell count of 2,000/mm3.
- D. Serum creatinine level of 1.0 mg/dL.
Correct answer: C
Rationale: A white blood cell count of 2,000/mm3 is low and indicates leukopenia, which increases the client's risk for infection. Hemoglobin level and platelet count are not directly indicative of infection risk. Serum creatinine level is related to kidney function, not infection risk.
2. What is the primary action of a short-acting beta2-agonist (SABA) prescribed to a patient with an acute asthma exacerbation?
- A. Reduce inflammation
- B. Relieve bronchospasm
- C. Thin respiratory secretions
- D. Suppress cough
Correct answer: B
Rationale: The correct answer is B: Relieve bronchospasm. The primary action of short-acting beta2-agonists (SABAs) is to relieve bronchospasm. These medications are bronchodilators that work by opening the airways, making breathing easier for patients experiencing asthma exacerbations. By relieving bronchospasm, SABAs help improve airflow and alleviate symptoms of asthma such as wheezing and shortness of breath. Choices A, C, and D are incorrect because SABAs do not primarily reduce inflammation, thin respiratory secretions, or suppress cough. While these actions may be part of asthma management, the immediate goal of using a SABA during an acute exacerbation is to quickly relieve bronchospasm and improve airflow.
3. A client with type 2 diabetes mellitus is prescribed metformin (Glucophage). Which instruction should the nurse provide?
- A. Take the medication on an empty stomach.
- B. Limit your fluid intake while on this medication.
- C. Monitor your blood glucose levels regularly.
- D. Avoid eating foods high in potassium.
Correct answer: C
Rationale: Monitoring blood glucose levels regularly is crucial for clients with type 2 diabetes who are taking metformin. This helps assess the effectiveness of the medication in managing blood sugar levels and allows for timely adjustments in the treatment plan if needed. By monitoring blood glucose levels, the client and healthcare team can work together to achieve optimal diabetes control and prevent complications associated with uncontrolled blood sugar levels.
4. After a client with ascites due to liver cirrhosis undergoes a paracentesis, what should the nurse do post-procedure?
- A. Encourage the client to drink plenty of fluids
- B. Monitor the client's blood pressure and heart rate
- C. Position the client flat on their back
- D. Administer a dose of furosemide
Correct answer: B
Rationale: Post-paracentesis, monitoring the client's blood pressure and heart rate is crucial as it helps in early detection of potential complications such as hypotension or bleeding. This close observation enables timely intervention and ensures the client's safety.
5. A client with deep vein thrombosis (DVT) is receiving heparin therapy. Which laboratory test should the nurse monitor to assess the effectiveness of the therapy?
- A. Prothrombin time (PT)
- B. Platelet count
- C. Activated partial thromboplastin time (aPTT)
- D. International normalized ratio (INR)
Correct answer: C
Rationale: Activated partial thromboplastin time (aPTT) is the appropriate laboratory test to monitor the effectiveness of heparin therapy. Heparin works by prolonging the clotting time, which is reflected in the aPTT results. Monitoring aPTT helps ensure the patient is within the therapeutic range and not at risk of bleeding or clotting complications. Prothrombin time (PT) (Choice A) primarily measures the extrinsic pathway of coagulation and is used to monitor warfarin therapy, not heparin. Platelet count (Choice B) assesses the number of platelets present in the blood and is not specific to monitoring heparin therapy. International normalized ratio (INR) (Choice D) is used to monitor warfarin therapy, not heparin.
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