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29 Cards in this Set
- Front
- Back
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Which viruses are the smallest of animal viruses?
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Picornavirus
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Which are the larger size of animal viruses? (2)
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Caliciviruses And astroviruses
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What reduces the seriousness of duration of colds?
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Pleconaril
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What are the four types of picornaviruses?
how are they spread? |
polioviruses, hepatitis A virus, coxsackievirues, and echoviruses.
Fecal-oral route (enteroviruses) |
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What is the worst condition of poliomyelitis?
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Bulbar poliomyelitis - brain stem and medulla are infected causing paralysis of limbs and respiratory muscles.
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Which form of coxsackievirus causes lesions of the mouth and pharynx called herpangina?
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Coxsackievirus A
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Which form of coxsackievirus causes myocarditis, pericardial infections and pleurodynia?
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Coxsackie B
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Coxsackie B is also implicated in the developement of ______________?
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Diabetes mellitus
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Which form of Coxsackie virus can cause viral meningitis?
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Both Coxsackie A and Coxsackie B
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This virus is not cycolytic like other enteroviruses.
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Hepatitis A Virus
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How can Hepatitis A be diagnosed?
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The presence of the virus in the CSF.
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Viruses in the Picornaviridae family belong to which virus genus?
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Enterovirus
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How are echoviruses aquired?
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intestinally and can cause (aseptic) meningitis and colds.
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Calicivirus are small round enteric viruses that cause _________?
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acute gastroenteritis
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Astroviruses are small round enteric viruses that cause _________?
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acute gastroenteritis
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Astroviruses are (more/less) likely to affect adults?
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less -- cause diarrhea.
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Hepatitis E causes what kind of disease?
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Enteric hepatitis. No treatment.
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What are the families of Naked - Positive ssRNA viruses?
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Picornaviridae, caliciviridae and Astroviridea
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Which families of enveloped Postive ssRNA viruses are arboviruses?
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Togaviridae and Flaviviridae
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What are diseases that are transmitted from animal hosts to humans by mosquitoes and ticks called?
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Zoonotic diseases
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Eastern equine Encephalities, Western equine Encephalities, and Venezuelan equine Encephalities are caused by what kind of virus? What is the normal host?
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-Togaviruses
- normal host is a bird or rodant |
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West Nile Virus belongs to which virus family?
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Flaviviruses. Just like St. Louis, Japanese and Russian Spring-summer viruses.
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What disease is known as breakbone fever?
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Dengue Fever. A flavivirus transmitted by the aedes mosquito.
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Which flavivirus leads to degeneration of the liver, kidneys and heart? Includes Jaundince, massive hemmorrhaging and "black vomit."
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Yellow Fever
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Which togavirus is transmitted by the respiratory route rather than by arthropods?
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Rubivirus (rubella) (German measles, 3-day measles)
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What disease is characterized by flat pink to red spots?
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Rubella, (German measles, or 3-day measles)
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Hepititis C is what part of what virus family?
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Flavivirus (accounts for 90% of all non-Hep A & B hepatitis)
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How is Hepititis C spread?
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Through needles, organ transplants and sexual activity
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What is the end result of Hepitiis C after time?
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liver damage, liver failure, hepatic cancer.
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