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Microbiology > RNA Viruses > Flashcards

RNA Viruses Flashcards

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1
Q

Only RNA virus that is dsRNA?

A

Reovirus

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2
Q

Only virus that is diploid?

A

Retrovirus (have 2 identical ssRNA)

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3
Q

Only 2 RNA viruses that do not replicate in cytoplasm?

A

Infleunza and retrovirus

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4
Q

Nonenveloped RNA viruses?

A

Calicivirus, Picornavirus, Reovirus, Hepevirus (CPR and hepe)

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5
Q

10-12 segments?

A

Reovirus

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6
Q

8 segments?

A

Orthomyxovirus

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7
Q

3 segments?

A

Bunyavirus

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8
Q

2 segments?

A

Arenavirus

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9
Q

Coltivirus (Colorado tick fever) and rotavirus?

A

Reovirus

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10
Q

Picornaviruses?

A

Polio, Echo, Rhino, Coxsackie, HAV (PERCH)

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11
Q

Norovirus?

A

Calicivirus

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12
Q

Togaviruses?

A

Rubella, Eastern/Western equine encephalitis

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12
Q

Retroviruses?

A

HIV, HTLV

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13
Q

Influenza virus?

A

Orthomyxovirus

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14
Q

Paramyxoviruses?

A

Parainfluenza, RSV, measles and mumps

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15
Q

Ebola/Margburg hemorrhagic fever?

A

Filovirus

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16
Q

Arenaviruses?

A

LCMV (lymphocytic choriomeningitis virus), Lassa fever encephalitis

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17
Q

Bunyaviruses?

A

California encephalitis, Sandfly/Rift Valley fevers, Crimean-Congo hemorrhage fever, Hantavirus

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18
Q

1 cause fatal diarrhea in children?

A

Rotavirus

19
Q

Common cold?

A

Rhinovirus, coronavirus

20
Q

Nonsegmented RNA virus?

A

Paramyxoviruses

21
Q

Helical RNA viruses?

A

Corona, Orthomyxo, Paramyxo, Bunya, Arena, Rhabdo, Filo, Delta (COP BARF)

22
Q

Which is the only + ssRNA helical virus?

A

Corona

23
Q

Which are the only RNA viruses that are circular (and not linear)?

A

Bunya, Arena, Delta (BAD)

24
Q

Segmented RNA viruses?

A

Bunya, Orthomyxo, Arena, Reo (BOAR)

25
Q

What causes antigenic shifts?

A

Segmented viruses–can undergo reassortment

26
Q

High fever, black vomit, jaundice?

A

Yellow fever

27
Q

Acidophilic inclusions in liver?

A

Councilman bodies–yellow fever virus

28
Q

Pathophysiology of rotavirus?

A

Villous destruction with atrophy leads to decreased absorption of Na and water

29
Q

Hemagglutinin?

A

Promotes viral entry in influenza

30
Q

Neuraminidase?

A

Promotes progeny virion release in influenza

31
Q

Changes based on random mutation?

A

Genetic drift

32
Q

Rash starting on head moving down, spares palms/soles, postauricular adenopathy and arthralgias?

A

Rubella

33
Q

Preventing RSV in preemies?

A

Palivisumab

34
Q

Surface F protein?

A

Paramyxoviruses–allows formation of multinucleated cells (syncytial cells)

35
Q

Subacute sclerosing panencephalitis?

A

Measles (rubeola)

36
Q

Rash starting on face spreading to toes involving palms/soles?

A

Measles

37
Q

S/S of mumps?

A

Parotitis, Orchitis, Meningitis (POM-poms)

38
Q

HCV?

A

Flavivirus

39
Q

Yellow fever?

A

Flavivirus

40
Q

Dengue?

A

Flavivirus

41
Q

St. Louis encephalitis?

A

Flavivirus

42
Q

West Nile virus?

A

Flavivirus

43
Q

Arboviruses?

A

Togavirus, Bunyavirus, Flavivirus

44
Q

Transmitted by Aedes mosquito?

A

Yellow fever

Microbiology (11 decks)

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