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Fontana02
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501
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file.txt
Updated:
2009-10-27 18:15:12
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Chapter 10
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Microexam
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  1. List characteristics of a virus
    Small. Not Cells. Obiligate Intercellular Parasites:require a host to replicate.Genus/Species names not used in viral classification.
  2. Viral Structure
    Nucleic acid core (DNAorRNA). Capsid. Envelope. Virion. Spikes.
  3. What are the two types of spikes?
    Neuraminidase (NA). Hemagglutinin (HA).
  4. Function of NA Spike
    Allows virus to enter and exit host cell
  5. Function of HA spike
    Allows virus to enter host cell. Causes clumping RBC's
  6. What happens when a virus has both NA & HA Spikes
    Combination of NA & HA maek viral strains Pathagenic
  7. What do Antiviral medications target?
    NA & HA Spikes
  8. Picornaviridae
    • Naked.
    • Polyhedral.
    • Enterovirus (includes polio), Hepatovirus (Hepatitus A) Rhinovirus (Common Cold).
    • 1 copy +sense rna
  9. Retroviridae
    • Enveloped.
    • 2 copies of + sence RNA.
    • Enzme Reverse Transcription.
    • Aids, Invade human immune system.
    • Spherical.
  10. Rhabdoviridae
    • Enveloped.
    • helical.
    • Rabies virus. Infects mammals only. Travels from site of entry to CNS and causes encephalitis. Death occurs in a few days after symptoms.
    • 1 copy -sense rna
  11. Paramyxoviridae
    • enveloped.
    • Measles, Mumps, Pneumonia, Bronchitis.
    • helical capsid.
    • 1 copy - sense rna.
  12. Togaviridae
    • Enveloped.
    • Polyhedral.
    • Rubella, Equine encephalitis.
    • 1-copy +sense RNA
  13. Flaviviridae
    • Enveloped.
    • polyhedral.
    • Flavivirus - yellow fever.
    • 1 copy +sense RNA
  14. Orthomyxoviridae
    • Enveloped.
    • helical.
    • Influenzavirus.
    • 1 copy 8 segaments -sense rna
  15. Reoviridae
    • Naked.
    • polyhedral capsid.
    • dsRNA
    • Rotavirus - affects Upper respiratory tract and GI Tract.
  16. Adenoviridae
    • naked.
    • Polyhedral.
    • linear, dsDNA.
    • Human adenovirus - respiratory illness.
  17. Herpesviridae
    • Enveloped.
    • polyhedral.
    • Linear, dsDNA.
    • Herpes I, II, Epsetin-Barr virus, Chicken pox/Shingles Cytomegalovirus.
  18. Papovaviridae
    • Naked.
    • polyhedral.
    • dsDNA.
    • papilloma(rabit), polyoma(mouse), simian(vacuolating) viruses.
  19. Parvoviridae
    • Naked.
    • polyhedral.
    • 1-strand linear DNA
    • Fifths disease, arthritis.
  20. Emerging Viruses
    • Avian influenza.
    • Measles.
    • Yellow fever.
    • Dengue fever.
  21. Hepadnaviridae
    • Enveloped.
    • polyhedral.
    • dsDNA
    • Hepatitis B Virus.

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