Which packaging innovation revolutionized medical adhesives in the 1920s, leading to the modern Band-Aid design we know today?

Band-Aids and medical adhesives are essential tools in modern medicine, but they weren't always as advanced as they are today. The evolution of medical adhesives represents one of the most important packaging innovations in healthcare history, balancing the need for sterility, ease of use, and patient comfort. This trivia question tests your knowledge about a significant turning point in medical adhesive technology that changed how healthcare professionals and patients manage wounds.

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The invention of individual paper wrapping that maintained sterility until use
The addition of waterproof plastic coating over gauze bandages
The introduction of zinc oxide adhesive that reduced skin irritation
The creation of die-cut shapes that could conform to different body parts