click below
click below
Normal Size Small Size show me how
Exam 4
Vocabulary Part I
Term | Definition |
---|---|
Pathogenesis | The manner in which a disease develops |
Competitive exclusion | Growth of some microbes inhibits the growth of other microbes |
Symbiosis | Living together of two different organisms or populations |
Probiotics | Microbes inoculated into a host to occupy niche & prevent pathogen growth |
Symptoms | Change in body function felt by a patient as a result of disease |
Signs | Change due to disease that a person can observe & measure |
Syndrome | Specific group of signs/symptoms that accompany a disease |
Communicability | Spread from one host to another |
Contagious | Easily spread from one person to another |
incidence | Fraction of population that contracts disease during particular period of time |
Prevalence | Fraction of population having a "specific" disease at a given time |
Sporadic | Occurs occasionally in a population |
Endemic | Constantly present in a certain population |
Pandemic | Epidemic that occurs world-wide |
Acute | Rapid symptoms, short-lived |
Chronic | Slow development, continue/recurs for long periods of time |
Latent | Period of no symptoms/ pathogen inactive |
Systemic | Deep within/ Throughout body |
Sepsis | Presence of toxin/ Pathogenic organism in blood & tissue |
Septicemia | Proliferation of pathogens in blood, accompanied by fever/ Sometimes causes liver damage |
Bacteremia | Bacteria in blood |
Toxemia | toxins in blood |
Viremia | Viruses in blood |
Primary Infection | Acute infection that causes initial illness |
Secondary Infection | Infection caused opportunistic microbe after a primary infection has weaken defenses |
Subclinical Infection | Infection not causing notable illness (in-apparent) |