A nurse is caring for a client who is receiving a continuous heparin infusion. Which of the following laboratory tests should the nurse review prior to adjusting the client's heparin?
aPTT
PT
INR
WBC count
The Correct Answer is A
- A is correct because aPTT (activated partial thromboplastin time) measures the effectiveness of heparin therapy and guides dosage adjustments.
- B is incorrect because PT (prothrombin time) measures the effectiveness of warfarin therapy, not heparin.
- C is incorrect because INR (international normalized ratio) is a standardized version of PT that also monitors warfarin therapy, not heparin.
- D is incorrect because WBC count (white blood cell count) measures the body's immune response and has no relation to heparin therapy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Tightening the tubing connections may be necessary if there is a leak in the ventilator system, but it does not address the high-pressure alarm issue. The nurse needs to address the immediate alarm situation first.
Choice B rationale:
Requesting insertion of a tracheostomy tube is not the appropriate action for a high-pressure alarm on the ventilator. Tracheostomy tube insertion is a significant procedure that is not indicated solely based on a high-pressure alarm.
Choice C rationale:
Suctioning the client's airway is the correct action for a high-pressure alarm on the ventilator. The alarm indicates an obstruction in the airway, and suctioning can help clear any secretions or blockages, allowing the client to breathe more effectively.
Choice D rationale:
Looking for a leak in the tube's cuff may be necessary if the high-pressure alarm persists after suctioning and checking connections. Identifying and repairing any leaks can prevent further issues with ventilation. However, immediate action should be taken to clear the airway first, as indicated by suctioning.
Correct Answer is A
Explanation
Irritability.
The rationale for each choice is as follows:
- A. Irritability: Correct. Irritability is one of the signs of hypoglycemia, which occurs when blood glucose levels fall below 70 mg/dL (3.9 mmol/L). Other signs include shakiness, sweating, hunger, headache, confusion, and blurred vision.
- B. Increased urination: Incorrect. Increased urination is one of the signs of hyperglycemia, which occurs when blood glucose levels rise above 180 mg/dL (10 mmol/L). Other signs include thirst, dry mouth, fatigue, nausea, and fruity breath odor.
- C. Vomiting: Incorrect. Vomiting is not a specific sign of hypoglycemia or hyperglycemia, but it can occur as a complication of either condition if left untreated or poorly managed.
- D.Facial flushing: Incorrect. Facial flushing is not a sign of hypoglycemia or hyperglycemia, but it can occur as a side effect of some medications used to treat diabetes, such as niacin or rosiglitazone.
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