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What does a tamper-evident lock on a rigid container indicate?

  1. Expiration Date

  2. Manufacturer's Origin

  3. Seal Quality

  4. It has not been opened or tampered with

The correct answer is: It has not been opened or tampered with

A tamper-evident lock on a rigid container indicates that the container has not been opened or tampered with. This security feature helps ensure the integrity and safety of the contents inside the container by providing a visual indication if someone has attempted to access or tamper with the contents. This is a critical feature in healthcare facilities where maintaining the sterility and cleanliness of instruments, supplies, or medications is essential for patient safety. Options A and B are unrelated to tamper-evident locks, while option C, seal quality, may be related but is not the primary purpose of a tamper-evident lock.