Assistant Laboratory Animal Technician (ALAT) Practice Exam 2026 - Free ALAT Practice Questions and Study Guide

Utilizing an N95 respirator is crucial when working with chemicals, as it is specifically designed to filter out airborne particles and reduce the risk of inhaling harmful substances. These respirators can effectively block microscopic particles, including chemical vapors and aerosols, which are prevalent in laboratory settings involving hazardous materials. The N95 designation indicates that the respirator can filter at least 95% of airborne particles, making it a vital piece of personal protective equipment (PPE) for ensuring respiratory safety.

While goggles, gloves, and a face shield serve important protective functions—goggles safeguard the eyes from splashes and debris, gloves prevent skin contact with harmful substances, and a face shield offers additional face protection—they do not specifically address the inhalation risks associated with airborne chemicals like an N95 respirator does. Therefore, in the context of minimizing inhalation hazards, the N95 respirator is the most effective choice.