PN Adult Medical Surgical Practice Exam

According to diabetes care standards, how should opened insulin be stored?

1. In the freezer for up to 1 month.

2. On a cool countertop away from light.

3. In the refrigerator and used immediately after removal.

4. In direct sunlight to maintain potency.

The correct answer is: On a cool countertop away from light.

Opened insulin should be stored on a cool countertop away from light. This method allows the insulin to remain at a temperature that is comfortable for injection and prevents it from being damaged by extreme cold or direct sunlight. Insulin typically does not require refrigeration after it has been opened, as this can make it more difficult for patients to use and can cause discomfort during injection due to the cold temperature. Storing it in a location that avoids extreme temperatures—either too hot or too cold—and away from light helps maintain the insulin’s effectiveness. The other methods suggested do not adhere to the standard recommendations for insulin storage. Storing insulin in the freezer or under direct sunlight can lead to degradation of the medication, while immediate use after refrigeration is not necessary and could result in wasting medication. Understanding proper insulin storage is crucial for effective diabetes management and ensures that patients receive the full therapeutic benefit from their medication.