At 40%, a HAFOE (high air flow with oxygen enrichment) mask is operating with an air-to-oxygen entrainment ratio of:

A) 1:1
B) 2:1
C) 3:1
D) 4:1

C

Health Professions

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A physician places a patient in respiratory failure on 100% O2. To avoid the hazards of O2 tox-icity, you would recommend that every effort is made to reduce this FiO2 to less than 50% within what timeframe?

a. 8 hr b. 24 hr c. 48 hr d. 5 days

Health Professions

Temporary income benefits end:

A) no later than 12 months from the date of the injury. After a year. B) once the worker reaches maximum medical improvement. Medical benefits C) once the employee is able to return to work. Income benefits D) within 6 months of the injury or accident. Income and death benefits

Health Professions