Which of the following viruses cause most colds?


a. Rhinoviruses
b. Parainfluenza viruses
c. Pneumoviruses
d. Bunyaviruses

DNA viruses in which of the following families are relatively large and thus potentially

well suited for the introduction of genetic material in gene therapy?

a. Herpesviridae

b. Poxviridae

c. Papillomaviridae

d. Hepadnaviridae

You have been given a large grant to do postgraduate research on live smallpox viruses. Where in the world would you find samples?

What do viruses in the families Picornaviridae, Caliciviridae, Astroviridae, Coronaviridae, Togaviridae, Flaviviridae, and Retroviridae have in common?

a. They are arboviruses.

b. They are nonpathogenic.

c. They have positive single-stranded RNA genomes.

d. They have negative single-stranded RNA genomes.

The smallest animal viruses are in the family ___________.

a. Caliciviridae

b. Astroviridae

c. Togaviridae

d. Picornaviridae

Arboviruses are ___________.

a. zoonotic pathogens

b. deactivated viruses used in vaccines

c. viruses that are transmitted to humans via the bite of an arthropod

d. found in arbors

Negri bodies are associated with which of the following?

a. Marburg virus

b. Hantavirus

c. Coltivirus

d. Rabies virus

Reoviruses, such as rotaviruses and coltiviruses, are unique in ___________.

a. Being naked

b. Having double-stranded RNA

c. Being both arboviruses and zoonotic

d. Having protein spikes

Translate the following identification label on a vial of influenzavirus: B/Kuwait (H1N3).