The epidermis is indicated by letter ____ in the figure of the skin. 

Preprinted forms that list patient diagnoses and procedures used by physician offices to bill for patient services are called:

A) encounter forms. B) superbills. C) charge slips. D) all of the above

The ________ acts as a preamplifier that enhances the sensitivity of hearing

A) pinna B) inner ear C) middle ear D) eardrum