Viral Infections

Question 1

Virus that can cause gastroenteritis

Answer 1

Rotavirus 
Adenovirus
Calicivirus
Astrovirus 
Small round virus like object (SRVs)

Question 2

Viral gastroenteritis mode of transmission

Answer 2

Fecal oral

Question 3

Virus which cause disease at distant site from GIT

Answer 3

HAV/ HEV
Polio
Lassavirus
Coxsackie virus

Question 4

Rotavirus classification and morphology

Answer 4

Non enveloped
DsRNA
Wheel like appearance

Question 5

Most Common cause of severe infantile diarrhea

Answer 5

Rotavirus

Question 6

Rotavirus species that infect humans

Answer 6

A
B
C

Question 7

Major cause of severe dehydrating Gastro enteritis in young humans

Answer 7

Group A rotavirus

Question 8

Pathogenesis of rotavirus

Answer 8

Ingestion -> infect cells of the villi of the small intestine -> damaged cells replaced by non absorbing immature crypt cells -> damaged cells may sloug into lumen of intestine -> diarrhea due to impaired sodium and glucose absorption -> excreted in stool

Question 9

Children Rotavirus infections clinical presentation

Answer 9

Vomiting
Watery diarrhea
Fever
Abdominal pain

Question 10

Sympyoms on adults , strong or mild ?

Answer 10

Mild

Question 11

Are there rotavirus Vaccines ?

Answer 11

Still being evaluated

Question 12

Diagnosis rests of virus in stool collected during illness

Answer 12

Immune electron microscopy

Particle agglutination

ELISA

Question 13

Adenovirus characteristics

Answer 13

Non enveloped dsDNA

Question 14

Adenovirus serotypes involved in gastro in children

Answer 14

40 & 41

Question 15

Pathogenesid and lab of adenovirus

Answer 15

Same as rotavirus

Question 16

Calicivitus two families

Answer 16

Norovirus

Sapovirus