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A child underwent a tonsillectomy at 6 years of age with no complications. He underwent a preoperative screening for bleeding at the age of 12 years before an elective laparotomy, and was found to have a prolonged partial thromboplastin time, but normal prothrombin time. There was no family history of bleeding. The patient is likely to have acquired Vitamin K deficiency:

AAcquired Vitamin K deficiency
BAcquired liver disease
CFactor XII deficiency
DMild hemophilia A
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