Which of the following determines the medical necessity of a medical treatment or procedure?

Which of the following respiratory mechanics can be measured with the CareFusion AVEA? 1. Esophageal pressure measurement 2. Peak inspiratory pressure/P100 3. Inflection point 4. Auto-PEEP

a. 1 only c. 2, 3, and 4 b. 1 and 3 d. 1, 2, 3, and 4

Home bleaching usually involves ____________

a. waiting weeks for results to show b. more cost to the patient versus other methods c. repeated visits to the dental office d. none of the above