A client with a history of deep vein thrombosis (DVT) is receiving a continuous IV heparin infusion. The nurse notes that the client’s activated partial thromboplastin time (aPTT) is 120 seconds. Which action should the nurse take? Reference Range: aPTT [25 to 35 seconds, therapeutic range for heparin 1.5 to 2.5 times baseline, approximately 38 to 88 seconds].
Continue the heparin infusion at the current rate.
Increase the heparin infusion rate by 100 units/hour.
Stop the heparin infusion and notify the provider.
Administer protamine sulfate immediately.
The Correct Answer is C
Choice A reason: Continuing heparin at aPTT 120 seconds is unsafe, as it exceeds the therapeutic range (38–88 seconds), indicating excessive anticoagulation. This risks bleeding, as heparin enhances antithrombin, inhibiting clotting factors. Stopping and notifying the provider prevents hemorrhage, making continuation dangerous for this DVT client.
Choice B reason: Increasing heparin is contraindicated with aPTT 120 seconds, far above therapeutic (38–88 seconds). Excessive anticoagulation from heparin’s antithrombin activation heightens bleeding risk. Stopping the infusion and notifying the provider corrects over-anticoagulation, preventing complications like hematoma, making an increase harmful and inappropriate.
Choice C reason: Stopping heparin and notifying the provider is critical at aPTT 120 seconds, indicating over-anticoagulation. Heparin’s inhibition of clotting factors increases bleeding risk in DVT treatment. Halting infusion prevents hemorrhage, and provider notification ensures dose adjustment or reversal, addressing the pathophysiological risk effectively and promptly.
Choice D reason: Administering protamine sulfate reverses heparin but requires provider order, as aPTT 120 seconds indicates high bleeding risk. Stopping infusion first prevents further anticoagulation, and notifying the provider ensures guided reversal, avoiding premature protamine use, which risks anaphylaxis or thrombosis, making this less immediate.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Administering a PRN narcotic at 9 cm dilation is inappropriate, as labor is in transition, nearing delivery. Narcotics risk fetal respiratory depression, crossing the placenta, especially with a stable fetal heart rate (120 beats/minute). Preparing for imminent delivery is critical, prioritizing a safe birth environment over pain relief.
Choice B reason: Asking the husband to leave does not address the client’s advanced labor (9 cm, 100% effaced, frequent contractions). His presence may provide support, and removal could increase distress. Setting up the delivery table is urgent, as birth is imminent, ensuring a sterile, safe environment for delivery.
Choice C reason: At 9 cm dilation, 100% effacement, and contractions every 2 minutes, the client is in transition, with delivery imminent. Setting up the delivery table ensures readiness for vaginal birth, providing a sterile field and equipment, addressing the physiological progression of labor for safe delivery of the newborn.
Choice D reason: Notifying the rapid response team is unnecessary, as the fetal heart rate (120 beats/minute) is normal (110–160), and screaming reflects labor pain. Delivery is imminent, making table setup the priority to facilitate safe birth, avoiding escalation to emergency response for a normal labor progression.
Correct Answer is B
Explanation
Choice A reason: Positioning right lateral with head elevation may shift fluid but does not restore drain suction. Compressing the bulb creates negative pressure, promoting drainage. Positioning is less effective, per surgical drain management and postoperative care standards in nursing practice.
Choice B reason: Compressing the bulb with the tab open, then reinserting it, restores negative pressure, enhancing drainage in the surgical drain. This ensures fluid removal, preventing hematoma or infection, per evidence-based surgical drain management and postoperative care protocols in nursing practice.
Choice C reason: Irrigating the drain with saline risks infection and is not standard for low drainage. Compressing the bulb restores suction, promoting drainage safely. Irrigation is inappropriate, per surgical drain management and infection control standards in postoperative nursing care.
Choice D reason: Reinforcing dressings and assessing drainage addresses symptoms, not the cause of low drainage. Compressing the bulb restores suction, increasing drainage effectively. Dressings are secondary, per surgical drain management and postoperative wound care protocols in nursing practice.
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