Which step involves the subject selecting a sealed collection kit?

The step that involves the subject selecting a sealed collection kit is Step 4. In this step, the subject is typically required to select a collection kit that has been appropriately sealed to ensure integrity and prevent tampering. This process is critical in maintaining the accuracy and reliability of the testing that will follow.

During this step, the subject must also verify that the collection kit is appropriate for the type of test being conducted and ensure that all items within the kit are intact and uncontaminated. By selecting a sealed kit, the subject plays an active role in guaranteeing the integrity of the specimen collection process.

The focus on a sealed collection kit aligns with the importance of following proper procedures to uphold the standards set by regulations, ensuring that the entire collection process is secure and credible.