How is oxygen percentage regulated in a heated humidified high flow nasal cannula?
A) It is factor preset.
B) It is adjusted using air dilution (HAFOE).
C) It is adjusted by setting two flowmeters; one for air and the other for oxygen.
D) There are proportional solenoid valves that adjust the oxygen percentage.
D
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A history of prolonged unconsciousness, weakness, speech problems, and possible personality changes such as inappropriately rude behavior or agitation best explains:
A) anoxic brain injury. B) concussion. C) cerebral contusion. D) diffuse axonal injury.
This prospective payment system replaced the Medicare physician payment system of "customary, prevailing, and reasonable (CPR)" charges whereby physicians were reimbursed according to their historical record of the charge for the provision of each service
A. Medicare Physician Fee Schedule (MPFS) B. Medicare Severity-Diagnosis Related Groups (MS-DRGs) C. Global payment D. Capitation