Across a sample container cap, which item is used to show tampering?

• A. Sealed label
• B. Tamper-proof seal sticker
• C. Plastic wrap
• D. Seal tape

Answer: (D)

Tamper-evident signaling across a cap relies on a seal that reveals any opening. Seal tape is applied across the cap seam so that when the cap is twisted off, the tape either tears, distorts, or leaves a clear void pattern. That visible change makes it obvious that the container has been accessed. Sealed labels or plastic wrap can be replaced or bypassed more easily, and a tamper-proof sticker may not always cross the cap opening in a way that guarantees an obvious sign of tampering. So the tape provides a straightforward, reliable indication that tampering occurred, which is why it’s used across a sample container cap.