Involuntary and repetitive movements of the mouth and face, such as sucking, chewing, and grimacing, are associated with:

Health information is usually retained for how long after discharge?

A) At least 10 years B) 5-10 years C) 2 years D) 3-5 years

The gasket used to seal a regulator to the oxygen cylinder is called a(n):

A) "C" ring. B) "B" ring. C) "O' ring. D) "D" ring.