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81 terms

Chatper 24 crossword

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Virulence
relative power and degree of a pathogenicityby organisms to produce disease
Septicemia
condition characterized by the multiplication of bacteria in blood
Antigen
a foregin substance that stimulates the formation of antibodies that interact specifically with it
mechanical vector
a living organisms or an object that is capable of transmitting infection by carrying the disease agaent on its external body part or surface
leptospria
causative agent of leptosirosis
endotoxin
bacterical toxin confined within the body of a bactrium fredd only when the bacterium is broken down;found only in Gram-negative bacteria
reservoir
a natural habitat of a disease-casuing organism
clostridium Tenei
Caustive agent of tetanus
opportunists
an organism that exist as part of the normal flora but may become pathogenic under certain condtions
Host
the organisms from which a microoganism obtains its nourishment
Secondary infection
an infection cause by a different organism that caused the primary infection
erogenous infection
orginating outside the bodyor a part of the body
Rickekia Typhi
Caustive agent of typhus fever
Antibodies
Glycooprotein Subsatnces developed in response to and interacting specifically with an antigen
Focal infection
One in which orgainisms are orginally confined to one area but enter the blood or lymph vessel and spread to other parts of the body
Toxin
a poisonous subsatnce of plant, animal, bacterical, or fungal origin
Rickettesia Rickettes
caustive agent of Rocky mountain spotted fever
Biological vectors
an arthropod vector in which the diease-causing orginism multiplies or developles within the arthropd prior to becoming infective for a susceptible
versina pestis
caustive agent of plague
staphcoccus aureus
caustive agent for food poisoning
clostridium botylsia
causative agent for botulism
coryne bacterium diptheriase
casuative agent for diptheria
Bordetella pertusis
causative agent for pertussis
chlamydia prittaci
caustive agent for parrot fever
borrelia Borgdroefer
causstive agent for lime diseae
Bacillus antracis
casuative agent of anthrax
resistance
the ability of an organism to defend itself aganist infection and disease;
attenuation
dilution or weakening of the virulence of a microorganism, reducing or abolishing pathogenicity
primary infection
an original infection from which a second infection can occur
true pathogens
real or genuine disease producing disease
pathogenicity
the state of producing or being able to produce pathological changes an disease
pathogen
a virus or organism that can cause disease
drug-fast
resistant, as in bacteria, to the action of a drug or drugs
local infection
infection caused by germs lodging and mutliplying at one point in a tissue and remaining there
exotoxin
a toxin, generally a protein, produced by a microorginsms and excreted into the surrouding med
contamination
the act of introducing disease germs or infectious material into an area or substance
franesiellia
casuative agent of tularemia
vibrio cholerae
causative agent of cholera
toxemia
blood distribution throughout the body of posionious products of bacteria growing in a focal or local site thus producing gerneralized symptoms
coxiella burnetii
causative agent of Q fever
general infection
An infection that becomes systemic
universal precautions
set of guidelines and controls, published by the centers for disease control and prevention (CDC), that require the employer and the employee to assume that all human blood and specified human body fluids are infectious for HIV, HBV, and other bloodborne pathogens
fomitts
any inanimate onject to which infectious material adheres and can be tranmitted
sterilization
highest form of microbial growth control: best method
cremation
1600 degrees F form of incineration
C. perfingens
causative agent for tissue gas
Steam under pressure
15 pounds per square inch used is 121 degrees
Cold
means of controlling mircobial growth, just slows it down, does not stop it
infulence of the effectiveness of antimircobial agents
nature of disinfectant, concentration of the disinfectant, nature of the material to be disinfected, number of microogranims presenttype of microorganims present, length of expoure to disinfectant, tempture of the disinfeant during exposure, difinesnant's pH during expourse
Chlorine
used to treat drinking water, and maintaince of swimming pools, and is a gas
household bleach
contains 5% sodium hypochlorite
Formalin
37% formaldehyde by mass and 40% formaldeyhe by volume
Glutaraldehyde
2% solution 10 germicidal and kills endospres in 3 to 12 hours, a cold sterilant, effective disinfecant
Lysol
A cresols
three forms of cresol
ortho-cresol, meta-cresol, para-cresol
hexachlorophene
450 times more effective as a germicaide than phenol
cresol
found in wood, tabacco, crude oil, cresosote (treated lumber)
Endemic diseases
occur in continouslousy in a particular region but a low death rate
Sporadic diease
occur in a occasionally or in a scattered instances in a region
Epidemic dieases
attack many people at the same time in the same region
Pandemic dieases
affect a majority of the popluation of a large region or are epidemic at the same time in many different parts of the world
viremia
viruses in the blood
bacteremia
bacteria in the blood
mixed infection
caused two or more organisms
Coagulase
an enzyme that induces coagulation in the blood
S. aureus
good example of bacteruim that uses enzymes to enhance its virulence
hyaluronidase
can cause blood to clot, resulting int eh presence of fibrin threads in the blood
Diseases can be caused through 3 sources
animals or persons ill of the infection, chronic animal or human carriers, the enivorment
neisseria gonorrhoeae
50% of woman carry this bactruim, but show not signs
sponges
a contaminted items in the emblaming room
two forms of direct transmission
direct and indirect
zoonotic infection
250 organisms are are known to cause spread by 20 to 40 % of pets
symptoms of inflammtion
heat, swelling, pain, redness, loss of function
phagocytosis
specialzed group of cells known as phyagcytes that are produced int he bone marrow
lysosomes
the phyagocyte engulfs the forgain body and begins to break down the material through special chemicals produced by
natural active immunity
result of getting a disease and recovering from it
natural passive immunity
result of placental transfer of antibodies int eh uterus
artificial passive immunity
result of injection of antibodies in the form of immune serums
opportunistic infection
infection caused by bacteria that normally nonpathogenic and that normally inhabit the digestive tract
Yersinia Pestis
causative agent of the plague spread by flea bites
trichophyton, mircosporum, epidermophtyon
causative agent of ringworm