Chapter 35 - Infectious Disease Flashcards
any parasitic organism that causes infectious disease
pathogen
growth of any microbe within or on a host
infection (colonization
pathogen that causes disease associated with it in most people if transmitted in sufficient dose
obligate pathogen
pathogen that may be part of normal flora and has gained access to other tissues or host
opportunistic pathogen
disease that is ultimately due to the presence of a pathogenic microbe or its products or a body response
infectious disease
trait that is the ability of a parasite to inflict damage on the host
pathogenicity
degree of pathogenicity
virulence
cause of a disease
etiology
mechanism of the disease and how it progresses
pathogenesis
changes caused in the body’s tissues and organs
pathology
objective changes in body that can be directly observed
signs
subjective changes experienced by patient
symptoms
there are blank steps of pathogenesis
seven
first step of pathogenesis that is the location from which pathogen is transmitted to host
reservoir
two examples of reservoirs
soil, water, humans, animals