Factors That Facilitate Keeping Patient Information Confidential in an EHR

Factors that facilitate keeping patient information confidential in an EHR system include:

A) Designing software so that only those who need the information can gain access
B) Requiring providers to log off at the end of the clinical day
C) Keeping a file of the login and password information for each provider in a secure place
D) Having patients sign informed consent documents to have their data on an EHR