Question

a patient asks a pharmacy technician, why is my nitroglycerin bottle an amber color? which of the following responses should the technician make?
the amber vial protects the medication from moisture.
the amber vial protects the medication from the effects of light.
the amber vial protects the medication from temperature fluctuations.
the amber vial protects the medication from contamination.

Explanation:

Nitroglycerin is sensitive to light, and amber - colored vials are used to block out light and prevent the degradation of the medication due to photochemical reactions. They do not primarily protect from moisture, temperature fluctuations, or contamination.

Answer:

The amber vial protects the medication from the effects of light.