Glenbrook Hospital finds that wrist pain is common among its lab workers. The hospital determines that the lab workers use repetitive hand motions in sorting and storing test tubes. Glenbrook's next step should be to
compile a list of injured employee's names.
provide lab workers with pain medication.
identify more hazards in the laboratory,
devise a strategy to reduce the risk of wrist injury.

You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent.i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious.ii. microscope.iii. culture the substance on nutritive medium, away from any plant cells.iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious.if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv