The nurse is caring for a patient who is receiving warfarin (Coumadin) and notes bruising and petechiae on the patient's extremities.The nurse will request an order for which laboratory test?
A) International normalized ratio (INR)
B) Platelet level
C) Partial thromboplastin time (PTT) and activated partial thromboplastin time (aPTT)
D) Vitamin K level
Correct Answer:
Verified
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