The fraction of inspired air in mouth-to-mouth respiration is:
A i.e. 0.16Mouth - to mouth respiration provides 16% of 02.In mouth- to - mouth respiration the resuscitor takes a deep breath & exhales into the subject's mouth. It provides 16% (15.7%) of 02.(amount of 02 that is present in expired air)
0.16
0.19
0.21
0.26