CPH Exam Environmental Health Sciences Flashcards. A group of parasites commonly referred to as worms. The group includes trematodes, cestodes, and nematodes. Schistosomes are trematodes the species that most commonly infect humans are Schistosoma haematobium, S. S. japonicum, S. mansoni, and S. Cestodes include the beef and pork tapeworms, the largest of the helminths, and nematodes include the roundworm Ascaris lumbri coides, the whipworm Trichuris trichiura, and the hookworms Necator americanus and Ancylostoma duodenale these nematodes are collectively referred to as soil transmitted helminths STH. Bromination Of Acetone Activation Energy' title='Bromination Of Acetone Activation Energy' />INTERNATIONAL PROGRAMME ON CHEMICAL SAFETY ENVIRONMENTAL HEALTH CRITERIA 172 TETRABROMOBISPHENOL A and DERIVATIVES This report contains the collective. Aperture 3.5 Link more. Bromination Of Acetone Activation Energy' title='Bromination Of Acetone Activation Energy' />Questions on chemical Kinetics with answers MCQs Test 2, Total Questions 15.