What preanalytical quality control prospect is necessary when performing platelet aggregation studies?

Question

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It is important to assess patient medications before obtaining a specimen for platelet aggregation studies as certain medications can affect platelet function and potentially alter the results. This allows for proper interpretation of results and helps prevent false positives or negatives. A 12 hour fast (B) and bleeding time (C) are not necessary for platelet aggregation studies, and collecting the specimen in a glass tube (D) is not recommended as it can activate platelets and alter results.

What Preanalytical Quality Control Prospect Is Necessary When Performing Platelet