What is the trigger variable for the Respironics BiPAP Focus?
a. Time c. Volume
b. Flow d. Pressure
ANS: C
One of the two methods for triggering to inspiratory positive airway pressure breathing is vol-ume. When 6 mL of volume from patient effort is inhaled from the circuit, the ventilator will volume trigger to inspiratory positive airway pressure breathing.
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Which of the following inflammation indices is used in national epidemiologic surveys, including the National Health and Nutrition Examination Survey (1971–1974)?
A) Sulcus Bleeding Index (Mühlemann and Son 1971) B) Gingival Index (GI) (Löe 1967) C) Periodontal Index (PI) (Russell 1967) D) Calculus Index of the National Institute of Dental Research (Miller et al. 1987) E) Periodontal Screening and Recording (PSR)
Which is the most commonly used measuring parameter for liquids in the metric system?
A) tablespoon B) gram C) milliliter D) ounces