Question 1

A teenager shows up at a clinic with lesions on his face.The sores are raised,light-colored bumps with a waxy texture.A few similar lesions are present on the torso as well.With which of the following viruses might he be infected?

Accepted Answer

A)   human herpesvirus 1
B)   B19 virus
C)   human herpesvirus 4
D)   molluscum contagiosum
E)   papillomavirusF) B) and D)
G) D) and E)

Question 2

Hepatitis B virus releases a large amount of viral antigen,which benefits the patient by

Accepted Answer

A)   producing a stronger cellular immune response.
B)   activating antibody mediated immunity.
C)   making it easier to develop a vaccine.
D)   allowing for better treatment.
E)   ensuring plentiful substrate for binding with labeled antibodies in diagnostic tests.F) C) and D)
G) All of the above

Question 3

All adenoviruses cause mild respiratory disease.

Accepted Answer

A) True 
 B)False

Question 4

A patient is brought into the ER in a coma.Upon inspection,the physician sees evidence of many new tattoos,as well as yellowing of the skin and eyes.What is the most likely cause of the patient's condition?

Accepted Answer

The patient is suffering from viral hepa...

Question 5

Which of the following increases the risk of permanent liver damage with hepatitis B infection?

Accepted Answer

A)   coinfection with human herpesvirus 4
B)   coinfection with hepatitis D virus
C)   coinfection with HHV-6
D)   coinfection with human herpesvirus 4 and hepatitis D virus
E)   coinfection with hepatitis D virus and HHV-6F) A) and D)
G) A) and C)

Question 6

An effective vaccine to prevent infection with Epstein-Barr virus (EBV,HHV-4)is available.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following lesions is a hard,raised sore?

Accepted Answer

A)   macule
B)   papule
C)   vesicle
D)   pustule
E)   poxF) B) and C)
G) A) and D)

Question 8

Which of the following families of DNA viruses is the most prevalent in humans?

Accepted Answer

A)   Poxviridae
B)   Herpesviridae
C)   Adenoviridae
D)   Polyomaviridae
E)   RhinoviridaeF) C) and E)
G) All of the above

Question 9

human herpesvirus 4 (EBV)has been implicated as an etiological agent in some cases of Hodgkin's lymphoma.

Accepted Answer

A) True 
 B)False

Question 10

A serum sample from a patient is examined on an electron microscope,and observed to contain Dane particles,filamentous,and spherical virion particles in abundance.This observation indicates infection with

Accepted Answer

A)   human herpesvirus 1.
B)   EBV.
C)   hepatitis B.
D)   hepatitis D.
E)   VZV.F) A) and C)
G) A) and B)

Question 11

Infection of the respiratory system by ________ may develop into symptoms of a common cold.

Accepted Answer

A)   adenoviruses
B)   cytomegaloviruses
C)   papillomaviruses
D)   polyomaviruses
E)  +G1203:G1247 parvovirusesF) A) and D)
G) A) and C)

Question 12

What is unique about the Hepadnaviridae family of viruses?

Accepted Answer

A)   they contain RNA.
B)   they contain double-stranded RNA.
C)   they contain single-stranded DNA.
D)   they contain double-stranded DNA.
E)   they contain both single-stranded DNA and double-stranded DNA.F) C) and E)
G) A) and C)

Question 13

The polyomavirus known as BK may establish latent infection of

Accepted Answer

A)   B lymphocytes.
B)   liver cells.
C)   bone marrow stem cells.
D)   nerve cells.
E)   kidney cells.F) C) and D)
G) A) and E) E

Question 14

Which of the following statements is true of both molluscum contagiosum and smallpox?

Accepted Answer

A)   A genital form of the disease exists.
B)   A vaccine is available.
C)   The causative agent is a large dsDNA virus with a complex capsid.
D)   The rash forms fluid-filled vesicles that become pustules.
E)   It has a morality rate of 20%.F) A) and E)
G) C) and E)

Question 15

Pinkeye can be the result of infection with

Accepted Answer

A)   human herpesvirus 7.
B)   a polyomavirus.
C)   an adenovirus.
D)   a poxvirus.
E)   human herpesvirus 4.F) A) and B)
G) A) and C) C

Question 16

A child is suffering from a fever and has reddish cheeks,arms,and thighs.The rash intensifies upon exposure to the sun.What is the likely infectious agent?

Accepted Answer

The child is probably infected with B19 ...

Question 17

Which of the following viruses are oncogenic?

Accepted Answer

A)   parvovirus
B)   human herpesvirus 4
C)   papillomavirus
D)   both human herpesvirus 4 and papillomavirus
E)   both parvovirus and human herpesvirus 4F) A) and C)
G) A) and B)

Question 18

Contact with a minute quantity of blood is sufficient for infection with hepatitis B virus.

Accepted Answer

A) True 
 B)False

Question 19

B has been HIV positive for several years.Recently,B began to experience some disturbing symptoms.B has begun to have problems with vision and motor control.Clinical tests indicate B's immune function is declining.What other viruses besides HIV might be causing B's problems? How might this be verified?

Accepted Answer

As immune function declines,latent viral...

Question 20

A homeschooled child recently visited an ailing great-grandparent who was complaining of a painful rash.Even though the child had had no contact with children suffering from chickenpox,the child developed chickenpox.How did the child contract the infection?

Accepted Answer

A)   The virus was likely contracted from fomites.
B)   The adult had chickenpox and exposed the child.
C)   An insect vector infected the child.
D)   The adult had shingles and the child was exposed to virus particles.
E)   There is insufficient information for a conclusion.F) A) and E)
G) A) and B) D

Exam 24: Pathogenic DNA Viruses

A teenager shows up at a clinic with lesions on his face.The sores are raised,light-colored bumps with a waxy texture.A few similar lesions are present on the torso as well.With which of the following viruses might he be infected?

Correct Answer
verified

Hepatitis B virus releases a large amount of viral antigen,which benefits the patient by

Correct Answer
verified

All adenoviruses cause mild respiratory disease.

Correct Answer
verified

A patient is brought into the ER in a coma.Upon inspection,the physician sees evidence of many new tattoos,as well as yellowing of the skin and eyes.What is the most likely cause of the patient's condition?

Correct Answer
verified
The patient is suffering from viral hepa...
View Answer

Which of the following increases the risk of permanent liver damage with hepatitis B infection?

Correct Answer
verified

An effective vaccine to prevent infection with Epstein-Barr virus (EBV,HHV-4)is available.

Correct Answer
verified

Which of the following lesions is a hard,raised sore?

Correct Answer
verified

Which of the following families of DNA viruses is the most prevalent in humans?

Correct Answer
verified

human herpesvirus 4 (EBV)has been implicated as an etiological agent in some cases of Hodgkin's lymphoma.

Correct Answer
verified

A serum sample from a patient is examined on an electron microscope,and observed to contain Dane particles,filamentous,and spherical virion particles in abundance.This observation indicates infection with

Correct Answer
verified

Infection of the respiratory system by ________ may develop into symptoms of a common cold.

Correct Answer
verified

What is unique about the Hepadnaviridae family of viruses?

Correct Answer
verified

The polyomavirus known as BK may establish latent infection of

Correct Answer
verified
E

Which of the following statements is true of both molluscum contagiosum and smallpox?

Correct Answer
verified

Pinkeye can be the result of infection with

Correct Answer
verified
C

A child is suffering from a fever and has reddish cheeks,arms,and thighs.The rash intensifies upon exposure to the sun.What is the likely infectious agent?

Correct Answer
verified
The child is probably infected with B19 ...
View Answer

Which of the following viruses are oncogenic?

Correct Answer
verified

Contact with a minute quantity of blood is sufficient for infection with hepatitis B virus.

Correct Answer
verified

Correct Answer
verified
As immune function declines,latent viral...
View Answer

A homeschooled child recently visited an ailing great-grandparent who was complaining of a painful rash.Even though the child had had no contact with children suffering from chickenpox,the child developed chickenpox.How did the child contract the infection?

Correct Answer
verified
D

Exam 24: Pathogenic DNA Viruses

A teenager shows up at a clinic with lesions on his face.The sores are raised,light-colored bumps with a waxy texture.A few similar lesions are present on the torso as well.With which of the following viruses might he be infected?

Correct AnswerverifiedShow Answer

Hepatitis B virus releases a large amount of viral antigen,which benefits the patient by

Correct AnswerverifiedShow Answer

All adenoviruses cause mild respiratory disease.

Correct AnswerverifiedShow Answer

A patient is brought into the ER in a coma.Upon inspection,the physician sees evidence of many new tattoos,as well as yellowing of the skin and eyes.What is the most likely cause of the patient's condition?

Correct AnswerverifiedThe patient is suffering from viral hepa...View AnswerShow Answer

Which of the following increases the risk of permanent liver damage with hepatitis B infection?

Correct AnswerverifiedShow Answer

An effective vaccine to prevent infection with Epstein-Barr virus (EBV,HHV-4)is available.

Correct AnswerverifiedShow Answer

Which of the following lesions is a hard,raised sore?

Correct AnswerverifiedShow Answer

Which of the following families of DNA viruses is the most prevalent in humans?

Correct AnswerverifiedShow Answer

human herpesvirus 4 (EBV)has been implicated as an etiological agent in some cases of Hodgkin's lymphoma.

Correct AnswerverifiedShow Answer

A serum sample from a patient is examined on an electron microscope,and observed to contain Dane particles,filamentous,and spherical virion particles in abundance.This observation indicates infection with

Correct AnswerverifiedShow Answer

Infection of the respiratory system by ________ may develop into symptoms of a common cold.

Correct AnswerverifiedShow Answer

What is unique about the Hepadnaviridae family of viruses?

Correct AnswerverifiedShow Answer

The polyomavirus known as BK may establish latent infection of

Correct AnswerverifiedE

Which of the following statements is true of both molluscum contagiosum and smallpox?

Correct AnswerverifiedShow Answer

Pinkeye can be the result of infection with

Correct AnswerverifiedC

A child is suffering from a fever and has reddish cheeks,arms,and thighs.The rash intensifies upon exposure to the sun.What is the likely infectious agent?

Correct AnswerverifiedThe child is probably infected with B19 ...View AnswerShow Answer

Which of the following viruses are oncogenic?

Correct AnswerverifiedShow Answer

Contact with a minute quantity of blood is sufficient for infection with hepatitis B virus.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedAs immune function declines,latent viral...View AnswerShow Answer

A homeschooled child recently visited an ailing great-grandparent who was complaining of a painful rash.Even though the child had had no contact with children suffering from chickenpox,the child developed chickenpox.How did the child contract the infection?

Correct AnswerverifiedD

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
verified
The patient is suffering from viral hepa...
View Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
E

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified
The child is probably infected with B19 ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
As immune function declines,latent viral...
View Answer

Correct Answer
verified
D