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13 Cards in this Set
- Front
- Back
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Variola |
A virus in small pox that causes fever, malaise, rash. very contagious and when untreated can escalate. |
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Syphilis |
Obscure origin, has since evolved into sexually transmitted disease with 3 stages when untreated. Causative agent: Treponema pallidum |
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Primary Syphillis |
A hard chancre appears at site of entry. Heals within a couple of weeks so often goes unnoticed. |
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Secondary Syphillis |
Months later, fever, headache, rash appear. Hair loss. |
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Tertiary Syphillis |
Some go into latency for years. Others experience gummas (painful tumors), and organ/tissue damage. |
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Congenital Syphillis |
Passed from pregnant woman to fetus. Inhibits fetal growth. Baby will have bone deform, nervous system abnormalities, skin eruptions. |
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Robert Hooke |
First observed microbes in 1600s. |
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Antonie van Leeuwenhoek |
Made crude microscope to examine threads in fabric. Made drawings he called 'animalcules' from teeth scrapings. |
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John Tyndall |
Found microbes in dust and air have high heat resistance |
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Ferdinand Cohn |
Discovered bacterial endospores |
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Oliver Wendell Holmes & Ignas Semmelweis |
Showed that women became infected in maternity ward after examinations by physicians who had been working in the autopsy rooms |
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Joseph Lister |
First to utilize hand washing and misting operating rooms with antiseptic. |
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Pasteur |
Invented pasteurization. Showed that human diseased could arise from infection. |
