Which of the following is the recommended method for storing disinfected electrodes in a microbiology laboratory?

• A. Exposed on an open bench for air drying
• B. In a clean, dry, covered container to prevent contamination
• C. Submerged in disinfectant solution until next use
• D. Wrapped in a damp cloth to maintain moisture

Answer: (B)

Verified step by step guidance

1. Understand the purpose of storing disinfected electrodes: to keep them free from contamination and maintain their functionality until next use.
2. Evaluate each storage method based on contamination risk and electrode integrity: air drying exposed on an open bench can lead to contamination from airborne microbes.
3. Consider the effect of submerging electrodes in disinfectant solution: prolonged exposure may damage the electrodes or affect their performance.
4. Assess the option of wrapping electrodes in a damp cloth: while it maintains moisture, it can promote microbial growth and contamination.
5. Conclude that storing electrodes in a clean, dry, covered container is recommended because it prevents contamination and preserves electrode condition without moisture-related risks.