In which scenario would a non-latex glove be necessary?

The necessity for non-latex gloves arises primarily when a patient has a known latex allergy. Latex allergies can cause serious allergic reactions, ranging from mild skin irritations to severe anaphylaxis. Therefore, using non-latex gloves is crucial to prevent exposure to latex proteins that could trigger such reactions.

In healthcare settings, it's important to accommodate patients' needs, and being aware of latex allergies plays a significant role in patient safety and comfort. Non-latex gloves are available in various materials which provide a safe alternative for those at risk, ensuring that phlebotomists can perform their duties without putting patients in jeopardy.

The other scenarios, while they might require gloves for safety, do not specifically necessitate non-latex materials. For example, managing high-flow bleeding or handling high-risk pathogens might still be adequately addressed with latex gloves if there's no allergy concern. Routine blood draws typically involve minimal risk where standard gloves suffice if the patient is not allergic.