Micro test 3 voc

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44 terms · Micro

Pathology

study of disease

Etiology

study of the cause of disease

Pathogenesis

development of disease

Infection

invasion of the body by a pathogenic organism

disease

Any change, other than an injury, that disrupts the normal functions of the body.

Host

the organism that a parasite or virus lives in or on

Incubation period

time between infection and appearance of first symptoms or signs of disease

Normal flora

Microorganisms that reside in or on the body without causing disease

Transient Flora

present for only a short period of time

Virulence

the degree or extent of pathogenicity of an organsim, may affect portal of entry and number of organisms.

Pathogen

An organism that causes disease

Opportunistic pathogens

Doesn't cause disease in healthy individuals, under certain conditions can cause disease. Exs: yeast infection - Candida albicans.

Microbial antagonism

When normal microbes benefit the host by preventing the overgrowth of harmful microbes.

Symbiosis

living together

Commensalism

symbiotic relationship in which one member of the association benefits and the other is neither helped nor harmed

Mutualism

a symbiotic relationship in which both species benefit

Parasitism

A relationship between two organisms of different species where one benefits and the other is harmed

Infectious disease

disease caused by a pathogen about 1/2 humans disease is this type.

Communicable disease

any disease that can be spread spread from one host to another directly or indirectly.

Noncommunicable disease

a disease that cannot be spread from person to person

Contagious disease

A disease that is easily spread from one host to another

Acute disease

develops rapidbly but lasts a short time (eg flu, RSF)

Chronic disease

A disease that developes slowly but the disease may be continual for a long time.

Subacute disease

Intermediate between acute and chronic

Latent disease

any disease in which a pathogen remains inactive for a long period of time before becoming active. EX. cold sore.

Endemic disease

Disease constantly present in a population

Pandemic disease

Worldwide Epidemic

Epidemic disease

when many people in a given area acquire a certain disease in a relatively short period of time

Local infection

an infection confined to a specific area of the body. Ex boils, pimples

Subclinical(Inapparent)

an infection that does not cause a noticeable illness; also called "Inapparent Infection"

Bacteremia

THE PRESENCE OF BACTERIA IN THE BLOOD. Not multiplying

Septicemia

Bacteria multiplying in the blood.

Toxemia

Toxins in the blood

Viremia

Viruses in the blood

reservoirs

storage areas for living or non living microbes =. provide good conditions for survival.

Nosocomial infections

Hospital acquired infections

symptoms

changes in body that are not measurable. Ex. pain

signs

changes that can be observed and measured. Ex. Fever

syndrome

a group of symptoms or signs always accompany a disease. EX., TSS

Epidemiology

when and where diseases occur and how they are transmitted to in human population.

fomite

any object that harbors and transmitts pathogens. Ex. door knob

mutualism

a relationship between two species in which both species benefit

morbidity

incidence of a specific notifiable disease

mortality

Deaths from these diseases

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