QuestionSBA
QuestionChoice
Protein C and Protein S inhibit factor Va but do not inhibit factor IIa (this is inhibited by antithrombin).
10024404
e
Factors IIa and Va
QuestionChoice
Antithrombin acts to inhibit factors Xa and IIa (thrombin). It can also inhibit factors VIIa, IXa, XIa and XIIa.
10024402
c
Factors Xa and IIa
QuestionChoice
Protein C and Protein S inhibit factor Va but do not inhibit factor X directly.
10024403
d
Factors Va and X
QuestionChoice
Protein C & Protein S inhibit factor Va, but do not inhibit factor Xa (this is inhibited by antithrombin).
10024401
b
Factors Va and Xa
QuestionChoice
Activated protein C triggers protein S to inhibit factors VIIIa and Va.
10024400
a
Factors VIIIa and Va
Concept
Chapter
2693
5776
Clotting cascade
Topic
157
Haematology
17278
A 43-year-old female presents to her GP with unilateral leg pain and swelling. The overlying skin is red and warmer compared to the other limb. A Doppler ultrasound confirms a DVT and further testing shows she has a protein C deficiency.

Activated protein C acts on which factors in the clotting cascade pathway?
a