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MICROPARA LEC > Virology Table 1 > Flashcards

Virology Table 1 Flashcards

1
Q

Very small viruses with a particle size of about 18-26 nm and no envelope

A

Parvoviridae

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2
Q

“Parvus”

A

Latin
“Small”

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3
Q

Icosahedral virions that lack envelope

A

Anelloviridae

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4
Q

“Anello”

A

Latin
“Ring”

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5
Q

Ability of these viruses to produce tumors in infected hosts

A

Polyomaviridae

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6
Q

“Poly” and “oma”

A

Greek
“Many” and “tumor”

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7
Q

Describes wart-like lesions produced by these viral infections. Certain high-risk types are causative agents of genitcal cancers in humans

A

Papillomaviridae

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8
Q

“Papilla”

A

Latin
“Nipple”

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9
Q

At least 67 types infect humans especially in mucus membranes and some types can persist in lymphoid tissue

A

Adenoviridae

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10
Q

“Adenos”

A

Latin
“Gland”

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11
Q

The surface protein is characteristically overproduced during replication of the virus, which takes place in the liver and is shed in the bloodstream.

A

Hepadnaviridae

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12
Q

“Hepa”

A

Latin
“Liver”

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13
Q

Hepadnaviridae causes

A

Hepatitis B

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14
Q

Describing the spreading nature of skin lesions caused by these viruses

A

Herpesviridae

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15
Q

“Herpes”

A

Latin
“Creep”

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16
Q

Viruses under herpesviridae

A

Herpes simplex virus 1 and 2 (oral and genital lesions)
Varicella zoster virus (chickenpox and shingles)
Cytomegalovirus
Epstein-Barr virus

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17
Q

Referring to the characteristic vesicular skin lesions

A

Poxviridae

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18
Q

Example of Pathogenic and pathogenic to animals poxviridae

A

Pathogenic (smallpox, vaccinia, molluscum contagiosum)

Pathogenic to animals (cowpox, monkeypox)

19
Q

DNA viruses

A

Parvoviridae
Anelloviridae
Polyomaviridae
Papillomaviridae
Adenoviridae
Hepadnaviridae
Herpesviridae
Poxviridae

20
Q

RNA viruses

A

PACH-RAT-FC-ROBRP-F

Picornaviridae
Astroviridae
Caliciviridae
Hepeviridae
Reoviridae
Arboviruses and Rodent Borne Viruses
Togaviridae
Flaviridae
Coronaviridae
Retroviridae
Orthomyxoviridae
Bunyaviridae
Rhabdoviridae
Paramyxoviridae
Filoviridae

21
Q

The groups infecting are enteroviruses (polioviruses, coxsackieviruses, echoviruses, and rhinoviruses) and hepatovirus (hepatitis A)

A

Picornaviridae

22
Q

Star-shaped outline. Associated with gastroenteritis in humans and neurological disease in animals

A

Astroviridae

23
Q

Has a cup-shaped depression on their surfaces

A

Caliciviridae

24
Q

the cause of epidemic acute gastroenteritis

A

Noroviruses

25
Q

Ether-resistant; Hepatitis E virus

A

Hepeviridae

26
Q

Include retroviruses which have a distinct wheel-shaped appearance and cause
gastroenteritis

A

Reoviridae

27
Q

Complex cycle involving arthropods (mosquitoes and ticks) as vectors that
transmit the virus to vertebrate hosts by their bite

A

Arboviruses and Rodent-
Borne Viruses

28
Q

Disease under Arboviruses and Rodent-
Borne Viruses

A

Dengue, yellow fever, West Nile fever and encephalitis viruses

29
Q

Many arboviruses that are major human pathogens called alphaviruses as well as
rubella virus belongs to this group

A

Togaviridae

30
Q

A group of arbovirus that includes yellow fever virus and dengue virus. Most members are transmitted through blood-sucking arthropods. Hepatitis C is a flavivirus with no known vector

A

Flaviridae

31
Q

Resemble orthomyxovirus but have petal-shaped surface projections arranged in
a fringe – similar to a solar corona

A

Coronaviridae

32
Q

Classically, human coronaviruses cause mild acute respiratory tract illnesses –
“colds” – but more recently discovered coronaviruses causes

A

Severe acute respiratory syndrome (SARS), Middle East Respiratory Syndrome and Covid-19

33
Q

Contains a reverse transcriptase enzyme that produces a DNA copy of the RNA
genome. The DNA becomes integrated into host chromosomal DNA. The virus is
then replicated from the integrated “provirus” DNA copy

A

Retroviridae

34
Q

Disease caused by retroviridae

A

Cause acquired immunodeficiency syndrome (AIDS)

35
Q

Include influenza viruses that infect humans or animals

A

Orthomyxoviridae

36
Q

What is the reason why there is
the emergence of new human pandemic strains of influenza A viruses?

A

The segmented nature of the viral genome permits ready genetic reassortment
when two influenza viruses infect the same cell, presumably fostering the high
rate of natural variation among influenza viruses.

37
Q

Majority are transmitted to vertebrates by arthropods

A

Bunyaviridae

38
Q

These are transmitted not by arthropods but by persistently infected rodents via aerosols of contaminated excreta

A

Hantaviruses

39
Q

Disease caused by Bunyaviridae

A

hemorrhagic fevers and nephropathy

40
Q

Bullet-shaped virus. Viruses have broad host ranges

A

Rhabdoviridae

41
Q

Paramyxoviridae

A

Includes mumps, measles, parainfluenza, and respiratory syncytial virus

42
Q

Marburg and Ebola virus cause severe hemorrhagic fever in Africa

A

Filoviridae

43
Q

What causes severe hemorrhagic fever in Africa

A

Marburg and Ebola virus

MICROPARA LEC (7 decks)

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