Elana works in a laboratory and frequently has to use a pipette as part of her job. what risk factor is elana exposed to through this task?

Spillage

Explanation:

As Elana works in a laboratory and frequently use pipette for her work therefore she is exposed to a risk of spillage of the material that she take up with the pipette. If she is working in a chemistry lab then there are certain chemicals like HCl, H2SO4 that can hurt Elana if spilled on her skin.  

Pipette is also used to pick up bacterial culture which can be spilled on hands or clothes if the pipette is loose or not handled properly. These bacteria can be dangerous if it gets into our body because they can cause several diseases. Therefore the right answer is spillage.