DNA virus

Question 1

What are the enveloped dsDNA viruses?

Answer 1

Hepadnaviruses, Herpesviruses, and Poxviruses

Question 2

What are the naked dsDNA viruses?

Answer 2

Adenoviruses and Papovaviruses

Question 3

What are the naked ssDNA viruses?

Answer 3

Parvoviruses

Question 4

It is an enveloped dsDNA virus, has the largest genome and causes eruptive skin ruptures.

Answer 4

Poxviruses

Question 5

What are the diseases under poxviruses?

Answer 5

Smallpox and Molluscum Contagiosum

Question 6

The first disease to be eliminated by vaccination, it causes fever, malaise, and rash and is transmitted by inhalation and skin contact.

Answer 6

Smallpox

Question 7

It is caused by unclassified poxvirus, an infection of children, transmitted by direct contact and fomites. AID patients suffer atypical form.

Answer 7

Molluscum Contagiosum

Question 8

This virus shows latency and causes recurrent infection, large enveloped icosahedra dsDNA, replication in the nucleus and has 8 families.

Answer 8

Herpesviridae

Question 9

What are the 8 families under Herpesviridae?

Answer 9

HSV-1, HSV-2, VZV, EBV, CMV, HHV-6, HHV-7, and HHV-8

Question 10

What are the diseases under HSV-1?

Answer 10

Herpes labialis, Herpetic gingivostomatitis, and Herpetic keratitis.

Question 11

This disease causes cold sores and fever blisters.

Answer 11

Herpes labialis

Question 12

This disease causes infection of the oropharynx in young children and symptoms such as fever, sore throat, and swollen lymph nodes.

Answer 12

Herpetic gingivostomatitis

Question 13

This disease causes ocular herpes

Answer 13

Herpetic keratitis

Question 14

Which type of herpes causes genital herpes?

Answer 14

HSV-2

Question 15

This disease causes malaise, fever, anorexia, and painful urination.

Answer 15

Herpes genitalia

Question 16

This disease is caused by HSV-1 and HSV-2, fatal for the newborn and neonate, contaminated by the mother before or during birth, hand transmission by mother to infant, and infection of mouth, skin, eyes, and CNS.

Answer 16

Herpes of the newborn

Question 17

What are the treatment and control for herpes?

Answer 17

No cure for herpes but treatments can relieve the symptoms. Medication can decrease pain and shorten the healing time.

People with active symptoms of herpes should avoid oral contact with others and sharing objects that have contact with saliva.

Abstain from sexual activity whilst experiencing symptoms of genital herpes.

Question 18

This virus causes chicken pox and shingles and is transmitted by respiratory droplets and contact.

Answer 18

VZV

Question 19

This virus infects the lymphoid tissue and salivary glands, and is transmitted by direct oral contact and contamination with saliva.

Answer 19

EBV

Question 20

What are the diseases caused by EBV?

Answer 20

Mononucleosis and Burkitt’s lymphoma

Question 21

This virus produces giant cells with nuclear and cytoplasmic inclusions (owl’s eyes) and is transmitted in saliva, respiratory mucus, milk, urine, semen, cervical secretions, and faeces.

Answer 21

CMV

Question 22

This virus causes perinatal CMV infection, newborns may exhibit enlarged liver and spleen, jaundice, capillary bleeding, microcephaly, and ocular inflammation.

Answer 22

CMV

Question 23

T-lymphotropic virus, transmitted by close contact, causes roseola (skin rash), and can cause encephalitis and cancer.

Answer 23

HHV-6

Question 24

It is an enveloped dsDNA virus, has an unusual genome containing both double and single-stranded DNA, and tropism for liver.

Answer 24

Hepadnaviruses

Question 25

Inflammatory disease of liver cells, interferes with the liver's excretion of bile pigments, and bilirubin accumulates in blood and tissue causing jaundice.

Answer 25

Hepatitis

Question 26

This virus multiplies exclusively in the liver, sexually transmitted, blood can transmit infection, high incidence among homosexuals and drug addicts, it can become a chronic infection and increases the risk of liver cancer.

Answer 26

Hepatitis B virus

Question 27

What are the treatment and control of Hepatitis B virus?

Answer 27

Chronic infection is controlled with interferon, HB immune globulin protects exposed people and HBV vaccine.

Question 28

What virus causes papilloma, a benign squamous epithelial growth, wart or verruca and is transmissible through direct contact or contaminated fomites?

Answer 28

Papillomavirus

Question 29

What are the diseases caused by papillomavirus?

Answer 29

Common seed warts (fingers), Plantar warts (soles of feet), and Genital warts (prevalent STD).

Question 30

Which disease is the most common STD in the US and has a strong association with cervical and penile cancer?

Answer 30

Genital warts

Question 31

It is a naked icosahedral ssDNA, B19, and causes the fifth disease.

Answer 31

Parvoviruses

Question 32

Which viruses support involvement in cancer?

Answer 32

Papillomaviruses, EBV, and Hepatitis (A, B, C).