What is one safety mechanism for phlebotomy equipment?

The response that identifies the requirement for only trained professionals to use safety devices is correct because it emphasizes the importance of proper training and expertise in maintaining safety during blood collection procedures. Safety mechanisms in phlebotomy equipment, such as safety-engineered needles or retractable devices, are designed to minimize the risk of needlestick injuries and protect both patients and healthcare workers. These devices often require specific knowledge on how to operate them correctly, ensuring that the individual using the equipment is familiar with the features and functioning of the safety mechanism.

By restricting the use of these safety devices to trained professionals, healthcare facilities can mitigate the risk of accidents and injuries, thereby promoting a safer working environment. Proper training ensures that the phlebotomy technician understands not only how to use the equipment but also how to respond to potential complications or emergencies that may arise.

The other options do not address safety mechanisms directly. Utilizing phlebotomy equipment on patients over a certain age may not inherently involve safety mechanisms; ensuring sterile needles is a general practice that applies to infection control rather than a specific safety device; and the sealing of test samples relates more to transport and handling rather than the immediate safety of the phlebotomy process itself.