Which of the Following Are Considerations When Dealing with a History

Which of the following are considerations when dealing with a history of facial paralysis in a dental setting? (Select all that apply. )

A) Inability to form facial expressions on one side of the face may be present.
B) Twitching,spasms,and weakness can be evident.
C) Loss of voluntary muscle action is always permanent.
D) Reduced drooling and the usual taste sensations are evident.