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pht 100 101

chapter 10 part 1

QuestionAnswer
in hospitals, infection control is crucial
immune systems are compromised by severe disease
in hospitals, microorganisms can be resistant to antibiotics
the cause of the infections/diseases until recently weren't fully understood
slowly cntury by century, knowledge of infections progressed
the 1st crude microscopefor observing microorganisms was made by Dutch merchant Anton Van Leewenhoek in 1673
Robert Hooke was an Englishman who was the 1st to use microscopes to observe plant cell structure
in 1798, Edward Jenner discovered the principle of disease immunization
germ life was just believed to come from moist soil or decaying flesh before 1850
in 1861, french scientist, Louis Pasteur demonstrated that microorganisms that are present in air doesn't generate microbial life
Louis Pasteur found that microorganisms infect mammals
louis pasteur developed a heating process that molds milk & kills bacteria (pasteurization)
pasteurization was meant to keep people from bacterial microorganisms exposure
louis pasteur's work was followed up by English surgeon joseph lister
joseph lister knew that carbolic acid kills bacteria & he disinfected surgical dressings with it
he developed antiseptic surgery methods
he saved thousands of lives with his sterile surger techniques which reduced post-surgical infections
viruses are genetic material in protein microorganisms
viruses can't reproduce without a host
viruses cause colds, flus, mumps, etc.
a mynute infection that doesn't have complete cell components need cell of a living host to replicate
fungus is a parasite that slowly reproduces with spores
molds, mildews, & mushrooms are fungi
fungi are sigle celled organisms that have no chlorophyll, no cell wall, & feeds on living organisms and dead organic material
penicillin is found in fungus
the infections that fungus causes are athlete's foot, ring worm, yeast, & other more serious infections
protozoa has one cell or many identical cells
protozoa live in water, soil, & in other creatures like parasites do
paramecia & amoeba are protozoa
protozoa can cause sleeping sickness, malaria, & dysentary
epidemics & pandemics killed millions before microorganism scientific control
137 mill. europeans died from bubonic plague
in 1876, robert koch defined (koch's postulates) steps that could certain organisms cause certain illnesses
robert koch conducted research on anthrax infected cattle
bacterial microorgansms are single celled
the 3 main bacterial forms are cocci, bacilli, & spirochetes
cocci are spherical
bacilli are rod shaped
spirochetes are spirals
bacteria causes infections like food poisoning, strep throat, ear infections, rheumatic fever, meningitis, pneumonia, tuberculosis, pink eye, and acne
in 1876, robert koch defined (koch's postulates) steps that could certain organisms cause certain illnesses
robert koch conducted research on anthrax infected cattle
bacterial microorgansms are single celled
the 3 main bacterial forms are cocci, bacilli, & spirochetes
cocci are spherical
bacilli are rod shaped
spirochetes are spirals
bacteria causes infections like food poisoning, strep throat, ear infections, rheumatic fever, meningitis, pneumonia, tuberculosis, pink eye, and acne
Created by: wildap
 

 



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