NHA Phlebotomy Certification Practice Exam

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Which test is specifically performed to assess coagulation status?

  1. Complete blood count (CBC)

  2. Activated partial thromboplastin time (APTT)

  3. Glucose

  4. Cholesterol

The correct answer is: Activated partial thromboplastin time (APTT)

The activated partial thromboplastin time (APTT) test is specifically designed to evaluate the coagulation status of an individual. This test measures the time it takes for blood to clot, which helps assess the intrinsic and common pathways of coagulation. Prolongation of the APTT can indicate potential bleeding disorders, liver disease, or the presence of anticoagulants. In contrast, a complete blood count (CBC) assesses various components of blood, including red and white blood cells and platelets, but it does not specifically measure coagulation factors. Glucose testing evaluates blood sugar levels, and cholesterol testing measures lipid levels in the blood, both of which are unrelated to the coagulation process. Therefore, the APTT is the most appropriate choice for assessing coagulation status.

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