Which of the following statements about manual cleaning of reusable items is false?

The statement that the cleaning method is easily validated is false because manual cleaning processes may lack the level of standardization and repeatability found in more automated methods, such as mechanical cleaning or ultrasonic cleaning. Validation of a cleaning process typically involves confirming that a method consistently removes contaminants to a predetermined standard. Since manual cleaning can vary significantly in execution based on the individual performing it, environmental conditions, and the specific techniques used, it does not lend itself to straightforward validation in the same way as machine-assisted cleaning methods.

In contrast, the other statements are accurate. Items must be scrubbed under the solution surface to ensure that contaminants are removed effectively and to prevent aerosolization of bacteria or debris. Additionally, items usually require autoclaving after cleaning to achieve sterilization before they can be safely reused. Rinsing items with tap water is typically discouraged, as tap water can introduce additional contaminants or minerals that may compromise the cleanliness and sterilization of the instruments.