Which cells produce myelin?

Bacteria that have the ability to resist decolorization with alcohol after being treated with Gram's crystal violet stain are known as:

A. gram negative B. penicillin G C. staphylococci D. gram positive

Which category of change is the introduction of the electronic health record??

A) Changing technology B) Changing structure C) Changing employees/interpersonal relationships D) Changing management