Medical Device Reprocessing Association of Ontario (MDRAO) Practice Exam

Which type of lubricant is recommended for surgical instruments?

1. Oil-based lubricant

2. Silicone spray

3. Petroleum jelly

4. Greaseless, water-soluble lubricant

The correct answer is: Greaseless, water-soluble lubricant

The use of a greaseless, water-soluble lubricant for surgical instruments is recommended due to its compatibility with the cleaning and sterilization processes that the instruments undergo. Surgical instruments are typically subjected to rigorous cleaning methods to ensure they are free from contaminants and safe for use in medical procedures. A water-soluble lubricant dissolves easily in water, allowing it to be effectively removed during the cleaning process. This ensures that no residues remain that could interfere with sterilization efforts. Using a lubricant that is not water-soluble could lead to product build-up or interfere with the effectiveness of cleaning agents, potentially compromising instrument safety and performance. Contrastingly, oil-based lubricants and petroleum jelly can leave oily residues that may not be adequately removed during cleaning, posing a risk to both the instruments themselves and patient safety. Silicone sprays, while sometimes used, may not be ideal in sterile environments due to similar concerns regarding residuals and compatibility with sterilization processes. Thus, the greaseless, water-soluble lubricant stands out as the most suitable option for maintaining surgical instruments in a safe and effective manner.