Virology Table 1

Question 1

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

Answer 1

Parvoviridae

Question 2

“Parvus”

Answer 2

Latin
“Small”

Question 3

Icosahedral virions that lack envelope

Answer 3

Anelloviridae

Question 4

“Anello”

Answer 4

Latin
“Ring”

Question 5

Ability of these viruses to produce tumors in infected hosts

Answer 5

Polyomaviridae

Question 6

“Poly” and “oma”

Answer 6

Greek
“Many” and “tumor”

Question 7

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

Answer 7

Papillomaviridae

Question 8

“Papilla”

Answer 8

Latin
“Nipple”

Question 9

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

Answer 9

Adenoviridae

Question 10

“Adenos”

Answer 10

Latin
“Gland”

Question 11

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

Answer 11

Hepadnaviridae

Question 12

“Hepa”

Answer 12

Latin
“Liver”

Question 13

Hepadnaviridae causes

Answer 13

Hepatitis B

Question 14

Describing the spreading nature of skin lesions caused by these viruses

Answer 14

Herpesviridae

Question 15

“Herpes”

Answer 15

Latin
“Creep”

Question 16

Viruses under herpesviridae

Answer 16

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

Question 17

Referring to the characteristic vesicular skin lesions

Answer 17

Poxviridae

Question 18

Example of Pathogenic and pathogenic to animals poxviridae

Answer 18

Pathogenic (smallpox, vaccinia, molluscum contagiosum)

Pathogenic to animals (cowpox, monkeypox)

Question 19

DNA viruses

Answer 19

Parvoviridae
Anelloviridae
Polyomaviridae
Papillomaviridae
Adenoviridae
Hepadnaviridae
Herpesviridae
Poxviridae

Question 20

RNA viruses

Answer 20

PACH-RAT-FC-ROBRP-F

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

Question 21

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

Answer 21

Picornaviridae

Question 22

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

Answer 22

Astroviridae

Question 23

Has a cup-shaped depression on their surfaces

Answer 23

Caliciviridae

Question 24

the cause of epidemic acute gastroenteritis

Answer 24

Noroviruses

Question 25

Ether-resistant; Hepatitis E virus

Answer 25

Hepeviridae

Question 26

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

Answer 26

Reoviridae

Question 27

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

Answer 27

Arboviruses and Rodent- Borne Viruses

Question 28

Disease under Arboviruses and Rodent- Borne Viruses

Answer 28

Dengue, yellow fever, West Nile fever and encephalitis viruses

Question 29

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

Answer 29

Togaviridae

Question 30

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

Answer 30

Flaviridae

Question 31

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

Answer 31

Coronaviridae

Question 32

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

Answer 32

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

Question 33

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

Answer 33

Retroviridae

Question 34

Disease caused by retroviridae

Answer 34

Cause acquired immunodeficiency syndrome (AIDS)

Question 35

Include influenza viruses that infect humans or animals

Answer 35

Orthomyxoviridae

Question 36

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

Answer 36

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.

Question 37

Majority are transmitted to vertebrates by arthropods

Answer 37

Bunyaviridae

Question 38

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

Answer 38

Hantaviruses

Question 39

Disease caused by Bunyaviridae

Answer 39

hemorrhagic fevers and nephropathy

Question 40

Bullet-shaped virus. Viruses have broad host ranges

Answer 40

Rhabdoviridae

Question 41

Paramyxoviridae

Answer 41

Includes mumps, measles, parainfluenza, and respiratory syncytial virus

Question 42

Marburg and Ebola virus cause severe hemorrhagic fever in Africa

Answer 42

Filoviridae

Question 43

What causes severe hemorrhagic fever in Africa

Answer 43

Marburg and Ebola virus