Question 1

Which of the following DNA virus families is known for causing smallpox in humans?

Accepted Answer

Poxviridae

Question 2

A patient presents with cold sores and genital lesions. Laboratory analysis reveals a double-stranded DNA virus with an envelope. Which virus family is most likely responsible?

Accepted Answer

Herpesviridae

Question 3

Which DNA virus family is unique for having a single-stranded DNA genome?

Accepted Answer

Parvoviridae

Question 4

Why are viruses such as HSV-1, HSV-2, and Varicella-Zoster all classified under the Herpesviridae family?

Accepted Answer

They share similar genome structure and replication strategies

Question 5

Which of the following DNA virus families is associated with the development of cervical cancer?

Accepted Answer

Papillomaviridae

Question 6

A vaccine is available for which of the following DNA viruses?

Accepted Answer

Human papillomavirus (HPV)

Question 7

Which DNA virus family is known for causing hepatitis B and has a partially double-stranded DNA genome?

Accepted Answer

Hepadnaviridae

Question 8

Adenoviridae are commonly transmitted via which of the following routes?

Accepted Answer

Fecal-oral and respiratory droplets

Question 9

Which of the following best describes the genome of Poxviridae?

Accepted Answer

Double-stranded DNA, linear

Question 10

A child develops a facial rash known as 'slapped cheek syndrome.' Which DNA virus family is most likely responsible?

Accepted Answer

Parvoviridae

Question 11

Which of the following DNA virus families is most likely to establish latent infections in host cells, leading to periodic reactivation?

Accepted Answer

Herpesviridae

Question 12

A laboratory technician is exposed to a DNA virus that is non-enveloped and causes conjunctivitis. Which virus family is most likely involved?

Accepted Answer

Adenoviridae

Question 13

Which of the following best explains why Poxviridae can replicate in the cytoplasm, unlike most other DNA viruses?

Accepted Answer

They encode all necessary enzymes for DNA replication and transcription

Question 14

A patient with immunosuppression develops progressive multifocal leukoencephalopathy (PML). Which DNA virus family is implicated?

Accepted Answer

Polyomaviridae

Question 15

Which of the following equations best represents the relationship between the number of viral particles ($$N$$), the initial number of particles ($$N_0$$), and the number of replication cycles ($$n) if $$each cycle doubles the number of particles?

Accepted Answer

$$N = N_0$ 	imes 2^n$$

Question 16

Which DNA virus family is most likely to be transmitted via contaminated blood products and can cause chronic liver disease?

Accepted Answer

Hepadnaviridae

Question 17

A 25-year-old woman receives a vaccine to prevent infection with a DNA virus that is associated with genital warts and cervical cancer. Which virus family does this vaccine target?

Accepted Answer

Papillomaviridae

Question 18

Which of the following is a common misconception about Herpesviridae?

Accepted Answer

They are all classified together because of similar genome structure and replication strategies

Question 19

A researcher is studying a DNA virus that is non-enveloped, has a circular genome, and is known to cause tumors in immunocompromised patients. Which family does this virus most likely belong to?

Accepted Answer

Polyomaviridae

Question 20

Which of the following best describes the mode of transmission for Parvoviridae?

Accepted Answer

Respiratory droplets

Review of Pathogenic DNA Viruses: Families, Characteristics, and Disease Associations

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