A Thrombin Time Test Was Performed and the Resulting Clotting

question 20

Multiple Choice

A thrombin time test was performed and the resulting clotting time exceeded the reference range. A 1:1 mixing study with normal pooled plasma was done that corrected the result to the normal range. Which abnormality is suspected?

• A) Thrombocytosis
• B) Fibrinogen deficiency
• C) Plasmin deficiency
• D) Circulating inhibitor
• E) None of the above

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