Based on the following data, what is the patient's most likely factor deficiency? PT Prolonged
APTT Normal
TT Normal
A) F-II
B) F-X
C) F-IX
D) F-VII

Question

Quizplus · Accepted Answer

The patient's presentation of a prolonged PT with normal APTT and TT suggests a deficiency in the extrinsic pathway, which points to Factor VII deficiency. Factor VII is unique to the extrinsic pathway, which is assessed by the PT test.

Based on the Following Data, What Is the Patient's Most