RNA Viruses

Question 0

What is an example of an Orthomyxovirus?

Answer 0

Influenza

Question 1

Which viral families are included in the RNA virus classification? (8 listed)

Answer 1

1. Orthomyxovirus
2. Paramyxovirus
3. Reovirus
4. Togavirus
5. Flavivirus
6. Rhabdovirus
7. Picornavirus
8. Calicivirus

Question 2

Which RNA viruses are enveloped? (5)

Answer 2

1. Orthomyxovirus
2. Paramyxovirus
3. Togavirus
4. Flavivirus
5. Rhabdovirus

Question 4

Which RNA viruses have segmented genomes? (2)

Answer 4

Orthomyxovirus and Reovirus

Question 5

Which RNA viruses are -ss? (3)

Answer 5

Orthomyxovirus, Paramyxovirus, and Rhabdovirus

Question 6

Which RNA viruses are +ss? (4)

Answer 6

Togavirus, Flavivirus, Picornavirus, Calicivirus

Question 7

What is the only ds RNA virus family shown in class?

Answer 7

Reovirus

Question 8

Which RNA virus families are “naked”? (3)

Answer 8

1. Reovirus
2. Picornavirus
3. Calicivirus

Question 9

What is the pathogenesis and disease caused by Orthomyxovirus?

Answer 9

P: Droplets and aerosol. Undergoes antigenic drift/shift

D: Respiratory tract infection

Question 10

What is the pathogenesis and disease caused by Paramyxovirus?

Answer 10

P: Droplets, can be serious for infants.

D: Respiratory tract infection

Question 11

What is the pathogenesis and disease caused by Reovirus?

Answer 11

P: Fecal-oral. Can be serious for infants.

D: Gastroenteritis

Question 12

What is the pathogenesis and disease caused by Togavirus?

Answer 12

P: Droplets or vertical. Teratogenic.

D: Rubella, congenital rubella syndrome.

Question 13

What is the pathogenesis and disease caused by Flavivirus?

Answer 13

P: Mosquitos. Most infections are subclinical.

D: West Nile fever, CNS infections, Hepatitis (HepC)

Question 14

What is the pathogenesis and disease caused by Rhabdovirus?

Answer 14

P: Animal bite (saliva). Invariably fatal without post-exposure prophylaxis.

D: Encephalitis

Question 15

What is the pathogenesis and disease caused by Picornavirus?

Answer 15

P: Droplets or fecal-oral. Diverse family of viruses causing a wide range of diseases.

D: Respiratory tract infections, hand-foot-mouth disease, conjunctivitis, CNS infections, myocarditis

Question 16

What is the pathogenesis and disease caused by Calicivirus?

Answer 16

P: Fecal-oral, food, water, or aerosolization. Seasonal epidemics.

D: Gastroenteritis

Question 17

An example of Orthomyxovirus is?

Answer 17

Influenza

Question 18

An example of Paramyxovirus is?

Answer 18

Respiratory Syncytial Virus (RSV)

Question 19

An example of Reovirus is?

Answer 19

Rotavirus

Question 20

An example of Togavirus is?

Answer 20

Rubella

Question 21

An example of Flavivirus is?

Answer 21

West Nile Virus

Question 22

An example of Rhabdovirus is?

Answer 22

Rabies

Question 23

An example of Picornavirus is?

Answer 23

Enterovirus

Question 24

An example of Calicivirus is?

Answer 24

Norovirus

Question 25

4 examples of Paramyxovirus are?

Answer 25

1. Measles
2. Mumps
3. Respiratory syncytial virus
4. Parainfluenza

Question 26

Hepatitis C belongs to which family of RNA viruses?

Answer 26

Flavivirus

Question 27

Hepatitis A, poliovirus, coxsackievirus, and rhinovirus all belong to which family of RNA viruses?

Answer 27

Picornavirus

Question 28

Which RNA viruses have linear genomes? (6)

Answer 28

1. Paramyxovirus
2. Togavirus
3. Flavivirus
4. Rhabdovirus
5. Picornavirus
6. Calicivirus