which is true of a patient who relies on hypoxic drive to breathe? A. respiratory rate is set according to level of O2 in body B. primary gas affecting RR is CO2 C. central chemoreceptors are the primary influence on RR D. peripheral chemoreceptors have become less sensitive to O2 A. RR is set according to level of O2 in body (central chemoreceptors become less sensitive to CO2; peripheral receptors become primary stimulus for ventilations) beta-2 medications benefit patients by: A. eliminating chest pain B. diminishing the need for O2 C. slowing RR and HR D. dilating the small airways D. dilating the small airways on the scene of a MCI, another EMT has become overwhelmed and emotionally incapacitated. you should: A. monitor EMT for improper care B. remove EMT from scene C. instruct EMT to go home D. assess EMT for head injury B. remove EMT from scene what information is critical to provide CHEMTREC after a tanker spill? A. type of car involved B. name of railroad carrier