Non Evloped RNA Virus

Question 1

What is the Feature of Rhinoviruses ?

Answer 1

Acid labile, optimal temp is 33C, infects URT only , Route of entry is respiratory tract (Rhino-)

Question 2

Main cause of common colds ?

Answer 2

Rhinoviruses

Question 3

Rhinoviruses is Recovery is due to ?

Answer 3

interferon

Question 4

What is the feature of Rotaviruses ?

Answer 4

segmented, double-stranded RNA. Acid stable

Question 5

infantile gastroenteritis ?

Answer 5

Rotaviruses

Question 6

What is the treatment of Rotaviruses ?

Answer 6

Rehydration

Question 7

Echovirus: causes ?

Answer 7

Aseptic meningitis.

Question 8

Type 68:

Answer 8

causes pneumonia in children

Question 9

Type 70: causes ?

Answer 9

acute hemorrhagic conjunctivitis.

Question 10

Type 71: causes ?

Answer 10

aseptic meningitis, encephalitis.

Question 11

What is the Vaccine of poliviruses?

Answer 11

1- IPV (Salk Vaccine): formalin-killed vaccine

2- OPV (Sabin vaccine): Live attenuated

Question 12

What is the feature of Enteroviruses ?

Answer 12

resist acid , optimal temp. is 37C , fecal-oral (GIT)

Question 13

Coxsackie virus Group A & B→ causes ?

Answer 13

Aseptic meningitis, Common colds.

Question 14

Group A of Coxsackie virus cases ?

Answer 14

Herpangina (Severe febrile pharyngitis +vesicular rash on the palate, pharynx, tongue)
Hand, foot, mouth disease (pharyngeal ulceration + vesicular rash in palms & soles) Acute Hemorrhagic conjunctivitis

Question 15

Group B of Coxsackie virus causes ?

Answer 15

1- Pleurodynia (fever and sudden sharp pains in the intercostal muscles)
2- Myocarditis (leads to cardiac failure)
3- Generalized disease in infants (serious disease, viral infection of multiple organs)
4- Type 1 diabetes mellitus: post infectious disease