Breathing as a bridge

After initial aerosol is injected, have subject perform the following exercises for 60 seconds each (7 minute test) Normal breathing. Deep breathing. Turning head side to side (without moving shoulders) Nodding head up and down. Talking – e.g., read “Rainbow Passage” (included in kit) or slowly count backwards from 60 to 1. Bending over. Normal breathing ................
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