VPY-0088
QUESTION
Which of the following is not an anticoagulant?
OPTIONS
(A) Heparin
(B) Sodium oxalate
(C) Calcium chloride
(D) EDTA
ANSWER
(C) Calcium chloride
EXPLANATION
Calcium chloride is the correct option because calcium chloride supplies calcium ions and promotes coagulation rather than preventing it, so it is not an anticoagulant. Heparin enhances antithrombin activity, sodium oxalate binds calcium, and EDTA chelates calcium; these three are used to prevent clotting.
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