Instructional Text, 7th Edition by Leventhal;
Cheadle, All 11 Chapters Covered, Verified
Latest Edition
Accidental or incidental host - answers-Host other than the normal one that is harboring a
parasite
Animalia - answers-Kingdom of animals that includes the arthropods
Carrier - answers-A host that harbors a parasite and doesn't exhibit any clinical symptoms but
can infect others
Commensalism - answers-Where one organism benefits while the other organism is not harmed
Mutulalism - answers-Where both organisms benefit
Parasitism - answers-Where one organism benefits and causes harm to the other organism
Definitive host - answers-Parasite reaches sexual maturity and undergoes reproduction
Reservoir host - answers-Non-human host that maintains the infection in nature from which
humans may become infected
Intermediate host - answers-Larval or asexual stages of the parasite
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, Diagnostic stage - answers-Developmental stage in parasitic life cycle that can identify specific
symptoms from the host
Infective stage - answers-Stage of parasite at which it is capable of entering
the host and continue development within the host
Infection - answers-Invasion of parasites ( expect arthropods) into the body
Disease - answers-Destructive process having characteristic symptoms
Ectoparasite - answers-Parasites living on or affecting the skin
Endoparasite - answers-Parasites living within the body of the host
Epidemiology - answers-Study of the factors that determine the distribution and frequency of
an infectious process or disease in a particular location
Facultative parasite - answers-Parasite that is able to exist independently of its host
Helminths - answers-Generic term for multicellular worms that includes the roundworms
( nematodes) tapeworms (cestodes) flukes (trematodes)
Host - answers-Species of animal or plant that harbors a parasite; where the parasite lives
(carries on the parasite's life cycle)
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