measurement of nasopharyngeal and oropharyngeal airway tubes by stuff in a black gloves on a simulation mannequin dummy during

acls aid airway ambulance black breath care center child clinical closeup cpr department device dummy educational emergency equipment exhale first gloves green health inhale manage management manipulation mannequin measure measurement medical medicine nasopharyngeal nose object oropharyngeal orphan oxygen pain paramedic patient person respiratory rubber saturation scene sick silicone simulated simulation skin sore students stuff throat tool training trauma tube tubes unhealthy university way