When reviewing a patient's history and physical information,the nurse notes that the patient has physician's orders for chloral hydrate and warfarin.During assessment of this patient,the nurse observes areas of petechiae and ecchymosis on the upper and lower extremities.The most appropriate lab work for the nurse to assess next is:

Question

Quizplus · Accepted Answer

The presence of petechiae and ecchymosis suggests bleeding tendencies, which could be related to the use of warfarin. Prothrombin time is a laboratory test that assesses a patient's ability to form a clot, which is often monitored when a patient is taking warfarin. Liver function studies, C-reactive protein, and sedimentation rate are not as relevant in this case.

When Reviewing a Patient's History and Physical Information,the Nurse Notes