Choose the correct statement regarding proper specimen collection for coagulation testing from the following choices:
a. The tube needed for coagulation testing should be the first tube drawn.
b. It is acceptable to fill the sodium citrate tube halfway in a polycythemic patient for coagulation testing.
c. When drawing blood from a catheter, care must be taken to avoid heparin contamination.
d. Butterfly needles should not be used when drawing coagulation tubes.
Question 2
Antibodies to which component(s) are thought to complex with the phospholipids resulting in antiphospholipid antibody syndrome are:
a. Homocysteine
b. Fibrinogen and fibrin
c. 2-glycoprotein-1, prothrombin, PC, PS, and FVII
d. Plasminogen and plasmin