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CEN Practice Exam (Certified Emergency Nurse)

Category - Eyes

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You are caring for a child who is going to have a tonsillectomy. Which of the following laboratory results would you want to check preoperatively?

Prothrombin time
Sedimentation rate
Blood urea nitrogen
Creatinine

Explanation

Answer: A - The nurse would want to check the prothrombin time preoperatively and report any abnormal results to the surgeon. The tonsillar area is very vascular, which can increase the patient’s chance of bleeding. If the prothrombin time is not adequate, the patient could bleed to death.

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CEN Practice Exam (Certified Emergency Nurse)

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CEN Practice Exam (Certified Emergency Nurse)

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