Regarding the upkeep of medical ventilators, which of the following statements is MOST accurate?
a. Biomedical equipment technicians are responsible only for the maintenance of the units
b. Biomedical equipment technicians are responsible mostly for tuning the various settings
c. Biomedical equipment technicians are responsible for tuning the various settings and for maintenance of the units
d. Both tuning of settings and maintenance are the responsibility of respiratory therapists