1. Which receptors of the influenza virus are responsible for binding to the host cell?
*a. hemagglutinin
b. neuraminidase
c. type A
d. capsid proteins

2. The primary site of attack in influenza is the
a. small intestine
*b. respiratory epithelium
c. skin
d. meninges

3. Which of these happens in the case of antigenic shift in influenza A?
a. single mutations in hemagglutinin
*b. recombination of RNA segments between bird and human strains
c. change from influenza A to influenza B
d. both a and b

4. Infections with ______ virus cause the development of multinucleate giant cells.
a. rabies
b. infuenza
*c. pneumo
d. corona

5. Which virus is responsible for Korean hemorrhagic fever?
a. Ebola virus
*b. hantavirus
c. arena virus
d. flavivirus

6. For which disease is an exanthem (skin rash) not a symptom?
a. measles
b. rubella
c. coxsackievirus infection
*d. parainfluenza

7. A common, highly diagnostic sign of measles is
a. viremia
b. red rash
c. sore throat
*d. Koplik's spots

8. Viruses that cause serious diseases in infants are ____ and _____.
a. mumps, calicivirus
*b. respiratory syncytial virus, rotavirus
c. coxsackievirus, HTLV II
d. bunyavirus, cardiovirus

9. Rabies virus has an average incubation period of
a. 2 to 3 weeks
b. 1 to 2 years
c. 4 to 5 days
*d. 1 to 2 months

10. For which disease are active and passive immunizations given simultaneously.
a. influenza
b. yellow fever
c. measles
*d. rabies

11. Which of the following is considered to be the next pandemic?
a. mumps
*b. avian influenza
c. measles
d. west nile virus

12. Measles and the German measles are caused by the same virus Morbillivirus?
a. True
*b. False

13. Which of the following is considered dangerous for infants and hospitals try to prevent?
*a. Pneumonvirus
b. Morbillivirus
c. mumps

14. Which of the following has bullet-shaped virions?
a. RSV
b. Mumps
c. Influenza
*d. Rabies

15. This animal is the most common carrier of rabies in the US...
a. dogs
b. skunks
c. foxes
*d. raccoons

16. Polio and hepatitis A viruses are _______ viruses.
a. arbo
*b. enteric
c. cold
d. syncytial

17. Which of the following cells is a target of HIV infection?
a. dendritic cells
b. monocytes
c. helper T cells
*d. all of these can support infection