Virology Multiple Choice Questions and Answers | Virology MCQs

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Questions
1 Which of the following is false about HIV ?
A It is a DNA virus
B It attacks CD4 cells
C Macrophages are the reservoir
D It reverses CD4:CD8 ratio

Answer:It is a DNA virus
2 During the window period of patients with AIDS
A ELISA is negative
B Western blot is negative
C Both ELISA and Western blot is negative
D PCR is negative

Answer:Both ELISA and Western blot is negative
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3 All the followingare characteristic opportunistic infection in AIDS EXCEPT
A Crytosporidium
B Kaposi sarcoma
C M avium intracellulare
D Aspergillosis

Answer:Kaposi sarcoma
4 The best laboratory method to diagnose AIDS infection is
A RIA
B ELISA
C Western blot test
D Complement Fixation test

Answer:Western blot test
5 The approximate chance of infection per exposure is less in the case of
A Blood trasfusion
B Tissue or organ donation
C Sexual contact
D Transplacental transmission

Answer:Sexual contact
6 Enveloped viruses mature by:
A rupturing the cell membrane causing cell death and releasing the virus
B incorporating cell DNA into the viral genome
C allowing the recombination of RNA sequences in cells co-infected with two or more different cells
D budding from the cell membrane

Answer:budding from the cell membrane
7 Which of the following groups of viruses grows bette rin HFDL cells than in primary monkey cells?
A Rhinovirus
B Enterovirus
C paramyxoviruses
D orthomyxovirus

Answer:Rhinovirus
8 Measles and mumps are examples of:
A orthmyxovirus
B Picornaviruses
C Paramyxoviruses
D Togavirus

Answer:Paramyxoviruses
9 The specimen of choice for virus isolation from a patient with suspected mumps infection is:
A NP swab
B stool
C buccal swab
D actue

Answer:buccal swab
10 California law requires PHLs to test for which of the viruses below:
A Norovirus
B sine flu (H1N1)
C Rabies
D HSV-1

Answer:Rabies

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