Virology Objective Questions and Answers

Questions

1 In cell culture the DISADVANTAGE of including sodicum bicarbonate as a buffering system in the media is:

A cost of the reagent

B not well tolerated by cells

C least similar to mammalian repiratory system

D short shelf lifehence should add just prior to use

View Answer

Answer:short shelf lifehence should add just prior to use

2 Reactivation of what latent virus can cause shingles?

A VZV

B Enveloped, ds, diploid RNA

C Enveloped, ss, diploid RNA

D Nonenveloped, diploid DNA

View Answer

Answer:VZV

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3 What is the cause of infectious mononucleosis?

A type of specimen

B collection date

C EBV

D date of onset

View Answer

Answer:EBV

4 What causes painful vesicular or ulcerative lesions at various mucocutaneous sites?

A Arenaviridae

B Caliciviridae

C HSV

D Picronaviridae

View Answer

Answer:HSV

5 What cuases regular winter and spring outbkres of bronchitis and pneumonitis in young infants and children?

A has less buffering capacity

B may contain up to 2% FBS

C RSV

D slows cell metabolism

View Answer

Answer:RSV

6 What is transmitted by sexual contact and by exposure to secretions or blood from infected individuals?

A HFDL cells

B Monkey kidney cells

C HIV

D a and b only

View Answer

Answer:HIV

7 VRDL uses what as the test of choice to identify suspected cases of Norovirus:

A Isolation attempts in cell culture

B DFA on clinical samples

C PCR on clinical samples

D EIA

View Answer

Answer:PCR on clinical samples

8 Ready cells (R-Mix) cell lines include:

A MDCK and A549

B Mink Lung and A549

C BGMK and A549

D MRC-5 and MDCK

View Answer

Answer:Mink Lung and A549

9 Direct ) immunofluoresence can be used to:

A Detect antibody

B Detect antigen

C Identify cell culture isolates

D a and b only

E b and c only

View Answer

Answer:b and c only

10 There two viruses demonstrate spongy syncytium in monkey kidney epithelial cells:

A parainfluenza 4 and mumps

B Adenovirus and Mumps

C Parainfluenza 2 and Mumps

D Rubella and Mumps

View Answer

Answer:Parainfluenza 2 and Mumps

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