Virology: Objective Questions on viral biology Question Part 2

The examination consists of 15 multiple choice questions, Each part contains a statement which could be true or false. Each question will have at least one part which is true. For each part, you should indicate whether you think it is true (T), false (F), or don’t know (DN).[wp_campaign_1] Check …

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The examination consists of 15 multiple choice questions, Each part contains a statement which could be true or false. Each question will have at least one part which is true. For each part, you should indicate whether you think it is true (T), false (F), or don’t know (DN).[wp_campaign_1]

Check the question below and Find answer (bottom of the post)

16. Cytomegalovirus (CMV)
Primary infection is usually asymptomatic
An infectious mononucleosis-like syndrome may occur during primary infection.
May cause severe infection in immunocompromised individuals
May cause congenital infection
Reactivate from time to time

17. Epstein-Barr Virus (EBV) is associated with
Infectious Mononucleosis
Kaposi’s Sarcoma
Burkitt’s lymphoma
Nasopharyngeal carcinoma
Adult T-cell lymphoma

18. HHV-8 is associated with
Fifth disease
Roseala Infantum
Kaposi’s Sarcoma
Nasopharyngeal Carcinoma
Oral leukoplakia

19. The following viruses are thought to cause gastroenteritis
Enteroviruses
Caliciviruses
Norwalk-like viruses
Astroviruses
Paramyxoviruses

20. The following statements are true
Human polyoma virus JC is associated with progressive multifocal leucoencephalopathy (PML)
Human polyoma virus JC is associated with warts
HPV-6 and HPV-11 are associated with genital cancers
HPV-6 and HPV-11 are associated with Juvenile laryngeal papillomatosis
Patients with Epidermodysplasia verruciformis are susceptible to widespread warts caused by HPV

21. The following statements are true
Influenza A may undergo antigenic shift
Influenza B may undergo antigenic shift
Influenza A may undergo antigenic drift
Influenza B may undergo antigenic drift
Influenza B may respond to amantidine

22. Respiratory Syncytial Virus
Cause disease mainly in adults
May cause bronchiolitis
May be prevented by vaccination
May be treated by amantidine
May cause latent infections

23. HIV may respond to
Nucleoside analogues
Protease inhibitors
Neuraminidase inhibitors
Reverse transcriptase inhibitors
Acyclovir

 

24. During the incubation period of HIV infection, there is
Little HIV replication
HIV is mainly integrated into the genome of long-lived cell populations
High turnover of CD4 cells
The viral load has a direct bearing on the prognosis
Little antibody against the HIV envelope[wp_campaign_2]

25. Hepatitis A infection
May result in chronic infection
May be prevented by immunoglobulin
May be prevented by vaccination
Is highly infectious during the jaundice phase
May result in cirrhosis

26. Hepatitis B infection
May result in chronic infection
May result in cirrhosis of the liver
May result in hepatocellular carcinoma
Is highly infectious when positive for anti-HbeAg antibody
May respond to interferon therapy

27. The following statements are true of hepatitis B core escape mutants
Associated with fulminant hepatitis
HbeAg positive
HbeAg positive
HBV-DNA positive
Anti-HbsAg antibody positive

28. Hepatitis C virus
May be transmitted by blood
Is associated with hepatocellular carcinoma
May respond to interferon therapy
Has one stable genotype only
May cause chronic infection

29. The following statements are true
Dengue virus infection result from bites by Aedes mosquitoes
Cases of dengue haemorrhagic fever usually result from reinfection by a different serotype of dengue virus
Pigs act as the reservoir for dengue virus
Yellow fever is prevalent throughout Asia
Yellow fever may be prevented by vaccination

30. Measles virus
Infection may result in pneumonia
Infection may result in encephalitis
Undergo antigenic drift
May respond to acyclovir
May be prevented by vaccination

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