2015 Mine Rescue Field Test No. 1 Taken from the 2015 Nevada Mine Rescue Contest held in Winnemucca, NV Progress Indicator: Question 2 of 30 2.  Under the right conditions, pathogens multiply and produce harmful effects.  They enter the body in one of four ways: Choices: Injection, Induction, Absorption, Inhalation Absorption, Injection, Respiration, Inhalation Ingestion, Injection, Absorption, Inhalation Respiration, Puncture, Ingestion, Injection