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Medical Microbiology II - 4336 > Virology Summarized > Flashcards

Virology Summarized Flashcards

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Biology 101 flashcards USMLE® Step 1 flashcards
1
Q

A virus without an envelope is called a ______ virus.

A

naked

-just has a capsid

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2
Q

the capsid together with the nucleic acids of a virus

A

nucleocapsid

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3
Q

Which is more infectious?

naked or enveloped viruses? Why?

A

naked viruses

immune system cannot detect it as easily (more hidden)

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4
Q

Difference between positive and negative sense RNA?

A

positive can act as a template right away,

positive comprises viral mRNA, which can be translated into proteins directly.

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5
Q

True or false:

If a virus has reverse transcriptase, it is less infectious.

A

false, more infectious!

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6
Q

Baltimore classification for dsDNA?

A

BC:1

ex: Herpes

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7
Q

Baltimore classification for ssDNA?

A

BC:2

ex: Parvo

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8
Q

Baltimore classification for dsDNA-RT?

A

BC: 7

ex: Hepadna (hep. B)

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9
Q

Baltimore classification for dsRNA?

A

BC: 3

ex: Reo (rota)

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10
Q

Baltimore classification for ssRNA (+)?

A

4

ex: Corona

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11
Q

Baltimore classification for ssRNA (-)?

A

5

ex: Paramyxo

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12
Q

Baltimore classification for ssRNA-RT?

A

6

ex: Retro

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13
Q

What are the dsDNA viruses?

Naked

Enveloped

A

naked: Polyoma, Papilloma, Adeno

Enveloped: Herpes, Pox, Irido, Asfar

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14
Q

What are the naked ssDNA viruses?

A

naked: parvo, Anello, Cicro

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15
Q

What are the dsDNA-RT viruses?

A

Enveloped: Hepadna

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16
Q

What are the dsRNA viruses?

A

Naked: Reo (rota), Birna, Pico

17
Q

What are the ssRNA (+) viruses?

Naked and enveloped

A

Naked: Picorna (entero), Noda, Astro, Hepe (HEV)*, Calici (norovirus)

Enveloped: Corona, Flavi (HCV), Toga, Arteri

18
Q

What are the ssRNA (-) viruses?

A

Enveloped: Paramyxo, Orthomyxo, Arena, Rhabdo, Filo, Bunya, Borna, Delta (HDV)

19
Q

What are the ssRNA-RT viruses?

A

Enveloped: Retro

20
Q

DNA virus:

what are the herpes viruses?

A

HSV-1, HSV-2, VZV (varicella: chickenpox, zoster: shingles),

EBV (infectious mononucleosis, Burkitt’s lymphoma) and CMV

21
Q

DNA virus:

what are the pox viruses?

A

Pox: smallpox, monkeypox and molluscum contagiosum

22
Q

DNA virus:

What are the Polyoma viruses?

A

Polyoma: Circular DNA and JC (John Cunningham) virus

23
Q

DNA virus:

what are the Papilloma viruses? Symptoms

A

Papilloma: HPV, warts

24
Q

DNA virus:

What are the Adeno viruses? Symptoms

A

Adeno: respiratory illness, conjunctivitis, gastroenteritis

25
Q

DNA virus:

What are the Parvo viruses?

A

Parvo: Parvo virus B 19: Fetal Loss, erythema infectiosum (slapped cheek syndrome), Aplastic crisis

26
Q

RNA viruses:

what are the Rotaviruses? Symptoms

A

Rotavirus: Gastroenteritis, common in daycares

27
Q

RNA viruses:

what are the Picorna viruses?

A

Picorna: HAV, rhino, non-polio virus, poliovirus, coxasackievirus and ECHO virus

28
Q

RNA viruses:

what are the Arbo viruses?

A

Arbo virus: Flavivirus, Togavirus and Bunyavirus: Neuro/non-neuroinvasive diseases

29
Q

Yellow fever virus, west Nile virus, zika virus, dengue virus, japanes encephalitis virus are all…

A

Flavivirus

30
Q

Ross River virus, Eastern equine virus, Wester equine virus are all…

A

Togavirus

31
Q

California encephalitis, La Crosse virus, Jamestowm Canyon virus are all…

A

Bunyaviurs

32
Q

-diarrhea, common acute gastroenteritis (cruise ships, daycares and schools, hospitals, long-term care facilities, resturants)

A

Norovirus:

Norwalk virus

33
Q

Respiratory disease viruses:

A

-Hanta (Bunya) virus
-Orthomyxo (Influenza type A and B)

34
Q

Norovirus, respiratory disease viruses, Rhabdovirus, and Retro viruses are all…

A

RNA viruses

also includes
-enterovirus (Rhinovirus, non-polio enterovirus),
-paramyxovirus (RSV and parainfluenza (1-4),
-cornona virus (SARS CoV-1, MERS, SARS CoV-2 )

35
Q

Rabies (RABV) and vesicular stomatitis virus (VSV) are all…

A

Rhabdovirus (RNA)

36
Q

HIV: targets CD4+T helper cells is what type of virus class?

A

Retro (RNA)

Medical Microbiology II - 4336 (20 decks)

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