Pls james was exposed to a pathogen when he was 10 years old and felt ill. what would most likely happen if he were exposed to the same pathogen when he is 12 years old? a his body would destroy the pathogen before he felt symptoms. b his reaction to the pathogen would be worse than the first. c his antibodies would decrease, since he had been exposed already. d new types of antibodies would be made in response to the second exposure.