Veterinary Medicine > EXAM > Animal Health 1 Exam 1 (All)
Sequence of events in infection - ANSWER (cell injury) Encounter, adherence (to mucosae or skin) colonization and growth, invasion and r to local tissues, lymph nodes regionally and then organ systems... (leukocyte trafficking: migration of mucosal and tissue macrophages and dendritic cells) Epidemiology - ANSWER presence doesn't determine if a disease would happen or not, triad of host, environment and pathogen agent does Triad of disease determinants - ANSWER Host, agent and environment Host - ANSWER genotype, species, breed, age, sex, social and occupational (guide dogs) Agent - ANSWER virulence (severity of disease and pathogenicity (ability to cause disease) Environment - ANSWER location, climate, housing, management, feeding and STRESS Contagious Infectious Disease - ANSWER Contagious (animal to animal transfer) Non-Contagious infectious disease - ANSWER (present in environment to animal transfer) Portals of entry - ANSWER Ingestion Inhalation Cutaneous penetration (cuts) Ascending infection (through urogenital) Direct Transmission - ANSWER cough, aerosol, touch, bite wounds (rabies) , grooming and licking (FLV) Indirect Transmission - ANSWER vectors (zika) and fomites (equine influenza) Vector Transmission - ANSWER Mozzies (mosquitos) Organisms that transmit a particular disease or parasite from one animal to another Fomite Transmission - ANSWER Inanimate objects that transmit a particular disease or parasite from one animal to another Epidemic - ANSWER rate of disease in population in specific area is greater than expected. Tend to have epidemic curve that peaks and drops back off to nothing [Show More]
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