Viral Hepatitis

Question 1

Hepeviruses are enveloped?

Answer 1

No

Question 2

Hepeviruses exhibit which type of capsid symmetry?

Answer 2

Icosahedral

Question 3

Hepeviruses exhibit which type of RNA structure?

Answer 3

SS, + sense, linear

Question 4

To which viral family does HAV belong?

Answer 4

Picornaviruses

Question 5

List the medically important picornaviruses (hint: PERCH)

Answer 5

1. Poliovirus – polio
2. Echovirus – aseptic meningitis
3. Rhinovirus – “common cold”
4. Coxsackievirus – aseptic meningitis; herpangina (mouth blisters, fever); hand, foot, and mouth disease; myocarditis; pericarditis
5. HAV – acute viral hepatitis

Question 6

Picornaviruses are enveloped?

Answer 6

No

Question 7

Picornaviruses exhibit which type of RNA structure?

Answer 7

SS, + sense, linear

Question 8

Picornaviruses exhibit which type of capsid symmetry?

Answer 8

Icosahedral

Question 9

List the medically important flaviviruses

Answer 9

1. HCV
2. Yellow fever
3. Dengue
4. St. Louis encephalitis
5. West Nile virus

2-5 are all arboviruses (i.e., arthropod borne)

Question 10

Are flaviviruses enveloped?

Answer 10

Yes

Question 11

Flaviviruses exhibit which type of capsid symmetry?

Answer 11

Icosahedral

Question 12

Flaviviruses exhibit which type of RNA structure?

Answer 12

SS, + sense, linear

Question 13

HDV belongs to which viral family?

Answer 13

Delta viruses

Question 14

HDV is a “defective” virus that requires the presence of…to replicate.

Answer 14

HBV

Question 15

Like flaviviruses, Delta viruses like HDV are…

Answer 15

Enveloped.

Question 16

Delta viruses exhibit which type of RNA structure?

Answer 16

SS, - sense, circular

Question 17

HEV belongs to which viral family?

Answer 17

Hepevirus