PPT DNA

Question 1

Parvoviridae

Answer 1

Parvovirus B19

Question 2

Dna Viruses

Answer 2

HHAPPPPY
Hepadna
Herpes
Adeno
Pox
Parvo
Papilloma
Polyoma

Question 3

All dna viruses have double stranded dna except

Answer 3

Parvovirus

Question 4

All dna viruses have linear dna except

Answer 4

Papillomavirus
Polyomavirus
Hepadnavirus

Question 5

All dna virus are icosahedral except

Answer 5

Poxvirus

Question 6

All dna virus replicate in nucleus

Answer 6

Poxvirus

Question 7

Parvoviridae virus

Answer 7

Parvovirus B19

Question 8

only known human parvovirus (one serotype)

Answer 8

Parvovirus B19

Question 9

Also known as fifth disease

Answer 9

Erythema infectiosum

Question 10

[“slapped cheek” rash], transient
aplastic crisis, fetal infection (fetal death and “hydrops fetalis”), arthritis, : red cell aplasia,

Answer 10

Parvovirus

Question 11

Diagnosis for parvovirus

Answer 11

Serology, PCR, Histology

Question 12

Treatment for parvovirus

Answer 12

Supportive [I.V. immunoglobulin can be used with aplastic crisis]

Question 13

Adenoviridae virus

Answer 13

Human adenovirus

Question 14

Site of latency of adenoviridae

Answer 14

Replication in oropharynx

Question 15

URT

Answer 15

Pharyngitis, conjunctivitis, coryza (serotype 3, 7, 8, 19, 37)

Question 16

LRT

Answer 16

bronchitis, atypical pneumonia (serotype 14):

Question 17

GIT

Answer 17

acute gastroenteritis (infantile diarrhea) [serotype: 40, 41]

Question 18

GUT

Answer 18

acute hemorrhagic cystitis (serotype: 7, 11,21)

Question 19

Diagnosis for Adenoviridae

Answer 19

Cell culture (HEp-2) [Cowdry type B intranuclear basophilic inclusion bodies], EIA for gastroenteritis (40-41), PCR

Question 20

Prevention for Adenoviridae

Answer 20

Vaccine (adenovirus 4 and 7) for military recruits

Question 21

are small nonenveloped icosahedral viruses which replicate in the nucleus and may transform infected cells.

Answer 21

Papovaviruses

Question 22

HPV types 1 to 100+ (as determined by genotype; types defined by DNA homology, tissue tropism, and association with oncogenesis)

Answer 22

Papillomavirus

Question 23

SV40, JC virus, BK virus, KI, WU, Merkel cell polyomavirus (MCPyV)

Answer 23

Polyomavirus

Question 24

Double-stranded circular DNA genome replicated and assembled in nucleus

Answer 24

Papovaviridae

Question 25

Small icosahedral capsid virion

Answer 25

Papovaviridae

Question 26

Papillomaviruses

Answer 26

Human Papilloma Virus

Question 27

Human Papilloma virus transmission

Answer 27

Direct contact, sexual contact for genital warts

Question 28

Human Papilloma virus site of latency

Answer 28

Epithelial tissue (Infect squamous cells and induce formation of cytoplasmic vacuole (koilocytes)

Question 29

small, round, deeply basophilic nuclei surrounded by a clear halo and pale-staining cytoplasm

Answer 29

Koilocytes

Question 30

Papillomaviruses disease

Answer 30

Skin and Genital warts, benign head and neck tumors, anogenital :warts

Question 31

Diagnosis Papillomaviruses

Answer 31

Cytology, DNA probes, HPV antigen