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55 Cards in this Set

  • Front
  • Back

A condition of abnormal vital functions involving any structure, part or system of an organ

Disease

To transit a pathogen that may induce development of an infectious disease in another person.

Infection

The act of introducing disease, germs, or infectious material into an area or substance.

Contamination

Organisms that cause or induce disease in a host.

Pathogenic Organisms

Organisms that due to its own virulence is able to produce disease.

True Pathogens



An organism that exists as part of a normal flora

Opportunist Pathogens

The presence of macroscopic organisms on or in a host-environmental space.

Infestation

The ability or the genetic capacity for an organism to cause disease

Pathogenisity



The complete expression or fulfillment of an organisms capacity to cause disease

Virulence

To abate an organism that causes an infection or disease

Attenuation

Organisms that cause disease outside the host.

Exogenous infections- measles, Diphteria, Tuberculosis, Syphilis

Organisms that cause disease within the host

Endogenous infection- actinomycosis

Rapid onset...short duration

Acute Infection

Slow onset...long duration

Chronic infections

Infections that are readily transmitted from one host to another.

Communicable infections

Disease that occurs at a constanly low frequency in a community and are present at low levels all of the time.

Endemic

A disease that affects a large number of people in a community in a short time will appear with a high level of intensity for a short time.

Epidemic

World wide epidemic where persons all over the world become infected with the same disease.

Pandemic

A few persons get the disease at regular intervals.

Sporadic

Disease or infection not transmitted from one host to another.

Non Communicable disease-Tetanus

The first infection that host aquires after a state of health

Primary Infections

The second infections that the host aquires after the state of health.

Secondary infection

Infections caused by 2+ organisms

Mixed Infections

Remains confined to an area of infection where pathogens were introduces.

Local Infection

Moves and spreads through the body of the host during the course of infection.

General infection

An infection that localizes in one area of the body and then moves to another sight.

Focal Infection- tooth Abscess

the presence of bacteria in blood

Bacteremia

a more severe condition where bacteria are in blood for a longer period of time and are growing and reproducing.

Septicimia

A toxin or poison in the blood usually produced by bacteria.

Toxemia

The last infection that a host will have and is cause of death.

Terminal infection

Certain types of poisons are produced by bacteria.

Toxins

A toxin produced by microorganisms and excreted into its surrounding mediums

Exotoxins

Toxins released from the bacterial cell only when the cells die.

Endotoxins

A thick covering of the cell wall of bacteria which reduces or prevents phagocytosis of the bacteria

Capsules

A thick walled spore within a baterium

Endospores

Organism causing a disease is directly transmitted from one host to another in a short period of time.

Direct Transmissions

Involves the generation of droplet spray of contaminated respiratory mucous into the atmosphere

Droplet infection

Transmission in utero from mother to unborn fetus

Congenital

Disease indirectly passed from one host to another.

Indirect Transmission

Examples of direct transmissions

Physical contact

Indirect transmission

Food, milk, water, soil, fomites, vectors

Entry transmission examples

Skin mucous membranes, respiratory tract, digestive tract, genito urinary tract

Exit Transmission examples

Feces, urine, semen, vag secretions, sputum, saliva, blood, pus lesions, tears

Cardinal signs of inflammation

1. local redness of skin


2. Increased local temp


3. local swelling


5. Sensation of pain


6. Loss of function

Can be recognized by the immune system and spur the immune system to produce antibodies, which react specifically against antigens that stimulate their formation.

Antigens

Proteins that are produces by the immune system in response to an antigenic stimulous

Antibodies

Unchangable immunity, born with it

Natural immunity

Acquired through vaccination or immunization

Aquired Immunity

active having the disease and recovering from it

Acquired natually- active

Placental transfer of antibodies from colostrums,

Aquired naturally- passive

active vaccines, passive immune serums

artificially aquired

Coccus shaped cells that form clusters


+/-

Staphylococcus- gram positve

Coccus shaped cells that form chains


+/-

Streptococcus- gram positive

Coccus shaped cells that occur in pairs

Streptococcus pneumoniae- gram positive

coccus shaped cells that occur in pairs

Niessieria- Gram negative