The tourniquet test is primarily used to assess which of the following?

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Platelet activityFragility of capillariesFunction of the intrinsic coagulation pathwayFunction of the extrinsic coagulation pathwayNone of the above

Explanation

The tourniquet test is designed to evaluate capillary fragility by applying pressure to observe petechiae formation. It does not assess platelet function or coagulation pathways directly.