Which tamper-evident packaging innovation became mandatory for over-the-counter medications in the US after the 1982 Tylenol poisoning crisis?

In the medical industry, packaging isn't just about protection—it's about safety, sterility, compliance, and usability. As healthcare has evolved, so too has the packaging that contains vital medications and devices. This trivia question focuses on an important innovation in pharmaceutical packaging that has become standard practice worldwide. Test your knowledge about how medical product packaging has changed to improve patient safety!

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Blister packs with aluminum backing
Sealed foil or plastic inner liners under bottle caps
Child-resistant caps with locking mechanisms
Heat-shrink plastic bands around bottle necks