Generally ____ cm H2O is considered to be the upper limit with a CPAP machine.

Types of pathology which may be found in active acupoints include ___________

a. lumps b. tension c. focal points of pain d. All of the above

A medical biller working for a dentist office could be responsible for which of the following duties?

a. Reception b. Scheduling c. Collecting co-payments d. All of the above