Question

which of the following items in this staining exercise are potentially dangerous to the student? select all of the correct statements. a. microbial culture b. microscope c. water spray bottle d. bunsen burner e. nigrosin and crystal violet

Explanation:

Microbial cultures can contain pathogens. Bunsen burners involve fire and can cause burns or start fires. Staining agents like nigrosin and crystal violet may be irritants or toxic if mishandled. Microscopes and water - spray bottles are generally not dangerous in a typical staining exercise context.

Answer:

A. Microbial culture
D. Bunsen burner
E. Nigrosin and crystal violet