Certification of Pharmacy Technicians (ExCPT) Practice Exam

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When preparing medication doses, what is the minimum required run time for laminar airflow systems before re-use?

5 minutes
10 minutes
20 minutes
30 minutes

The correct answer is: 30 minutes

The minimum required run time for laminar airflow systems before re-use is 30 minutes. This duration is essential to ensure that the airflow system has adequately cleared any contaminants from the work area. Laminar airflow systems are designed to provide a continuous flow of sterile air, which helps to maintain a clean environment when preparing medication doses. By allowing the system to run for 30 minutes prior to use, the airflow becomes stable and reliable, ensuring that the environment remains controlled and minimizes the risk of contamination during the compounding process. This is critical for the safety and efficacy of the medications being prepared, especially in a pharmacy setting where sterile preparations are necessary.