[Answered]: Mr

Mr. Smith has the following laboratory results and no bleeding history: PT: normal APTT: prolonged APTT: results on a 1:1 mixture of the patient plasma with normal plasma are: Immediate: corrected APTT Mixing Study Phospholipid Neutralization: no corrected APTT, negative These results are consistent with: A. Factor VIII deficiency B. Factor VII deficiency C. Factor VII inhibitor D. Lupus Anticoagulant