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micro > Virus's > Flashcards

Virus's Flashcards

parvo thru orthomyxo

1
Q

Full name of canine parvo?

A

Parvoviridae parvovirus CPV-2

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2
Q

Full name of human parvo? What does it cause?

A

Parvoviridae erthroparvirus HPV B19. Causes Fifth’s disase

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3
Q

Full name of human adenovirus?

A

Adenoviridae Mastadenovirus human mastadenovirus A-G

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4
Q

What nucleic acid does parvovirus us? what about shape and envelope?

A

ssDNA, non enveloped, icosahedral.

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5
Q

How did adenovirus get it’s name?

A

first isolated from adenoid tissue

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6
Q

What nucleic acid does adenovirus us? what about shape and envelope? (what is special about its shape)

A

non enveloped icosahedral. dsDNA linear. it has the fibril projections that are highly antigenic.

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7
Q

What is the full name of the causal agent of fifth’s disease

A

Parvoviridae erythroparvovirus Primate erythroparvovirus B19

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8
Q

Full name of Herpes (STD and cold sores)?

A

Herpesviridae Alphaherpesvirinae Simplexvirus herpes simples virus (HSV)

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9
Q

Full name of cytomegalovirus?

A

Herpesviridae betaherpesvirinae Cytomegalovirus human betaherpesvirus 5?

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10
Q

What nucleic acid does HSV us? what about shape and envelope?

A

dsDNA icosahedral, enveleope.

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11
Q

Full name of EBV?

A

Herpesvirinae Gammaherpesvirinae Lymphocrytovirus EBV

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12
Q

What nucleic acid does EBV us? what about shape and envelope?

A

Enveloped icosahedral with dsDNA.

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13
Q

Full name of causal agent for chickenpox.

A

Herpesvirinae Alphaherpesvirinae Varicellovirus VZV

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14
Q

What is the full name for the causal adgent of smallpox?

A

Poxviridae Orthopoxivirus Variola virus

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15
Q

What nucleic acid does smallpox use us? what about shape and envelope?

A

brick-shaped capsid with envelope. dsDNA

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16
Q

Full name of the causal agent of hepatitis A?

A

Picornaviridae Heptovirus Heptovirus A

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17
Q

Full name of the causal agent of hepatitis B?

A

Hepadnaviridae orthohepadnavirus Hep B virus

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18
Q

Full name of the causal agent of hepatitis C?

A

Flaviviridae Hepacicvirus Hepacivirus C

19
Q

What nucleic acid does Hep A us? what about shape and envelope?

A

non-enveloped icosahedral with ssRNA

20
Q

What nucleic acid does Hep B us? what about shape and envelope?

A

Enveloped icosahedral with dsDNA

21
Q

What nucleic acid does Hep C us? what about shape and envelope?

A

enveloped icosahedral with ssRNA

22
Q

Which of the hep’s are oncogenic, which are not?

A

Hep A: non oncogenic
Hep B and C: oncogenic

23
Q

what is the name of the causal agent of poliovirus?

A

Picornaviridae Enterovirus Poliovirus

24
Q

What is the cause of HFandM disease

A

Picornaviridae enterovirus coxsackievirus

25
Q

What nucleic acid does polio use? what about shape and envelope?

A

ssRNA with nonenveloped icosahedral

26
Q

What nucleic acid does HFandM use? what about shape and envelope?

A

nonenveloped icosahedral +ssRNA

27
Q

What is the full name of the flu?

A

Orthomyxoviridae Influzavirus Influenza A-C

28
Q

What nucleic acid does the flu use? what about shape and envelope?

A

-ssRNA with envelope, but pleomorphic shape

29
Q

What are the three virulence factors of adenovirus?

A

-E1 regions disable tumor surpressor genes and stimulate cell into S phase
-E3 region encodes anti-imunity proteins
-enlargement of cells into grape like clusters

30
Q

What are the virulence factor for herpes (4)

A

-Latent infection in neurons
-Spike glycoproteins interfere with immune response
-Viral host shutoff degrade host cell mRNA
-beta proteins degrade and marginate cell chromatin

31
Q

What glycoprotein allows for differentation between HSV-1 and HSV-2

A

Glycoprotein G

32
Q

What’s the treatment for alphaherpesvirius’s

33
Q

What are the key virulence factors of influenza (3)?

A

Hemagglutinin (HA binds to sialic acid receptors), Neuraminidase (NA cleaves SA residues and allows for entry), Antigenic drift/shift

34
Q

How to differenate HAV, HBV and HCV

A

Transmission: HAV is spread fecal-oral, HBV/HCV is spread via blood
Diagnosis: HAV is sero, HBV is IDed via HBsAg antigen test, HCV is tested via sero
Prevalence: HAV is common among poor children, HBV is common amoung hospital workers

35
Q

What are the two major groups in the picornavirus family?

A

Enterovirus: polio and cocksakie
Rhinovirus:

36
Q

What is the structure, nucleic acid and envelope of picornaviridae?

A

non-enveloped icosahedral with +ssRNA. cytoplasmic replication

37
Q

Which virus causes crypt cells in intestinal epithelium?

38
Q

Full name of Rotavirus?

A

Reoviridae Sedoreviridae Rotavirus Rotavirus (A-E)

39
Q

What is the full name of the Norwalk/norovirus?

A

Calciviridae Norovirus Norwalk vrus

40
Q

What is the shape, envelope and nucleic acid of Calciviridae? What makes it shape special?

A

non-enveloped icosahedral. Has cup-like depressions on capsid like a socceer ball. ssRNA (+).

41
Q

Family and genus of Zika, west nile and yellow fever virus

A

Flaviviridae, flavivirus

42
Q

Full name of ebola virus?

A

Filoviridae ebolavirus Zaire ebolavirus

43
Q

What is the causal adgent of venezuelan equine encephalits?

A

Togavirus in South america

44
Q

What are the three types of diseases caused by arbovirus’s

A

Fever: West nile, Dengue fever
Encelphalitis: togavirus (VEE)
Hemorragic fever: ebola and zika

micro (7 decks)

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