1. A deficiency of which factor would most likely cause a significantly elevated Partial Thromboplastin Time (PTT)?
II
V
VII
IX
X

2. A deficiency of which of the following is associated with hemophilia?
V
VII
X
XI
XII

3. Inhibitory antibodies to this factor can show an immediate correction of the mixing study, but a prolonged 60 minute result.
V
VII
VIII
IX
XII

4. Which of the following describes the typical effect of antiphospholipid antibodies?
In vivo anticoagulant, in vitro anticoagulant
In vivo procoagulant, in vitro procoagulant
In vivo anticoagulant, in vitro procoagulant
In vivo procoagulant, in vitro anticoagulant
None of the above

5. Which of the following is correct??
Lupus anticoagulants are routinely detected by ELISA
Anticardiolipin and lupus anticoagulant are both types of antiphospholipid antibodies.
Patients with lupus anticoagulant are more likely to bleed than those with a factor VIII inhibitor.
Factor X levels can be used to monitor patients with antiphospholipids on warfarin.
All of the above.