Question 1

Which is incorrect about viral diseases?

Accepted Answer

A)  Some DNA viruses can become permanent residents of host cells. 
B)  Viral diseases can be zoonoses. 
C)  Most DNA viruses multiply in and are released from the cytopl. 
D)  Some viruses are teratogenic. 
E)  Diagnosis of some diseases involves antigen detection with monoclonal antibodies. 
A)  Some DNA viruses can become permanent residents of host cells. 
B)  Viral diseases can be zoonoses. 
C)  Most DNA viruses multiply in and are released from the cytopl. 
D)  Some viruses are teratogenic. 
E)  Diagnosis of some diseases involves antigen detection with monoclonal antibodies.

Question 2

All of the following pertain to herpes simplex-1 HSV-1), except

Accepted Answer

A)  it causes gingivostomatitis. 
B)  it causes cold sores and herpes keratitis. 
C)  it is latent in the lumbosacral spinal nerve ganglia. 
D)  it is transmitted by mucous membrane contact with lesions. 
E)  it causes herpetic whitlow in health care workers. 
A)  it causes gingivostomatitis. 
B)  it causes cold sores and herpes keratitis. 
C)  it is latent in the lumbosacral spinal nerve ganglia. 
D)  it is transmitted by mucous membrane contact with lesions. 
E)  it causes herpetic whitlow in health care workers.

Question 3

The hepadnaviruses

Accepted Answer

A)  include the adenoviruses. 
B)  show tropism for the liver. 
C)  are transmitted by respiratory secretions. 
D)  are nonenveloped, double-stranded DNA viruses. 
E)  All of these choices are correct. 
A)  include the adenoviruses. 
B)  show tropism for the liver. 
C)  are transmitted by respiratory secretions. 
D)  are nonenveloped, double-stranded DNA viruses. 
E)  All of these choices are correct.

Question 4

Parvoviruses

Accepted Answer

A)  cause diseases in cats, dogs, and humans. 
B)  have a genome of double-stranded DNA. 
C)  are the cause of erythema infectiosum. 
D)  have a nucleocapsid surrounded by an envelope. 
A)  cause diseases in cats, dogs, and humans. 
B)  have a genome of double-stranded DNA. 
C)  are the cause of erythema infectiosum. 
D)  have a nucleocapsid surrounded by an envelope.

Question 5

The smallpox vaccine uses the _____ virus.

Accepted Answer

The answer of The smallpox vaccine uses the _____ virus....

Question 6

Varicella and herpes zoster are caused by the same virus.

Accepted Answer

A) True 
 B)False

Question 7

Smallpox is a disease in which

Accepted Answer

A)  fever, malaise, rash, possible toxemia and shock occurs. 
B)  virus becomes latent in ganglia of sensory neurons. 
C)  recurrent episodes are called shingles. 
D)  transmission occurs only by direct skin contact with skin crusts. 
E)  All of these choices are correct. 
A)  fever, malaise, rash, possible toxemia and shock occurs. 
B)  virus becomes latent in ganglia of sensory neurons. 
C)  recurrent episodes are called shingles. 
D)  transmission occurs only by direct skin contact with skin crusts. 
E)  All of these choices are correct.

Question 8

Compare and contrast chickenpox and shingles, and explain the underlying reasons for their differences in pathogenesis.

Accepted Answer

Chickenpox and shingles are both caused

Question 9

Poxviruses are the largest and most complex of all animal viruses.

Accepted Answer

A) True 
 B)False

Question 10

Viruses with single-stranded DNA are the

Accepted Answer

A)  herpesviruses. 
B)  poxviruses. 
C)  adenoviruses. 
D)  papovaviruses. 
E)  parvoviruses. 
A)  herpesviruses. 
B)  poxviruses. 
C)  adenoviruses. 
D)  papovaviruses. 
E)  parvoviruses.

Question 11

Cytomegalovirus

Accepted Answer

A)  is among the most common of human infections. 
B)  is transmitted by saliva, respiratory mucus, milk, urine, semen, and cervical secretions. 
C)  can be sexually transmitted. 
D)  is commonly carried in the latent state. 
E)  All of these choices are correct. 
A)  is among the most common of human infections. 
B)  is transmitted by saliva, respiratory mucus, milk, urine, semen, and cervical secretions. 
C)  can be sexually transmitted. 
D)  is commonly carried in the latent state. 
E)  All of these choices are correct.

Question 12

As of 2000, according to the International Committee on the Taxonomy of Viruses, how are viruses classified?

Accepted Answer

A)  genetic information only 
B)  structure only 
C)  chemical composition and structure 
D)  genetic information, structure, and chemical composition 
E)  genetic information, structure, host, and diseases caused 
A)  genetic information only 
B)  structure only 
C)  chemical composition and structure 
D)  genetic information, structure, and chemical composition 
E)  genetic information, structure, host, and diseases caused

Question 13

The patients at greatest risk for severe cytomegalovirus infection include all the following, except

Accepted Answer

A)  individuals with hypertension. 
B)  organ transplant patients. 
C)  infants infected in utero. 
D)  AIDS patients. 
E)  bone marrow transplant patients. 
A)  individuals with hypertension. 
B)  organ transplant patients. 
C)  infants infected in utero. 
D)  AIDS patients. 
E)  bone marrow transplant patients.

Question 14

All of the following pertain to monkeypox, except

Accepted Answer

A)  symptoms include skin pocks, fever, and swollen lymph nodes. 
B)  outbreaks have occurred in Africa. 
C)  transmission is typically by contact with monkeys, squirrels, and rats. 
D)  a recent U.S. outbreak involved pet prairie dogs infected by an African rat. 
E)  the virus has shown a trend in becoming less virulent, with fewer outbreaks in humans. 
A)  symptoms include skin pocks, fever, and swollen lymph nodes. 
B)  outbreaks have occurred in Africa. 
C)  transmission is typically by contact with monkeys, squirrels, and rats. 
D)  a recent U.S. outbreak involved pet prairie dogs infected by an African rat. 
E)  the virus has shown a trend in becoming less virulent, with fewer outbreaks in humans.

Question 15

Which of the following viruses is an RNA virus that causes many cases of transfusion hepatitis?

Accepted Answer

A)  Hepatitis C virus HCV) 
B)  Hepatitis B virus HBV) 
C)  adenovirus 
D)  Epstein-Barr Virus EBV) 
E)  cytomegalovirus CMV) 
A)  Hepatitis C virus HCV) 
B)  Hepatitis B virus HBV) 
C)  adenovirus 
D)  Epstein-Barr Virus EBV) 
E)  cytomegalovirus CMV)

Question 16

Chickenpox is caused by a poxvirus.

Accepted Answer

A) True 
 B)False

Question 17

Carriers of Hepatitis B virus are not common.

Accepted Answer

A) True 
 B)False

Question 18

Herpes simplex-2 HSV-2) causes

Accepted Answer

A)  genital lesions. 
B)  intensely sensitive vesicles on or near the genitals. 
C)  symptoms that include urethritis, cervicitis, and itching. 
D)  infection in neonates that have contact with lesions in the birth canal. 
E)  All of these choices are correct. 
A)  genital lesions. 
B)  intensely sensitive vesicles on or near the genitals. 
C)  symptoms that include urethritis, cervicitis, and itching. 
D)  infection in neonates that have contact with lesions in the birth canal. 
E)  All of these choices are correct.

Question 19

Herpes keratitis is an infection of the eye.

Accepted Answer

A) True 
 B)False

Question 20

Infection with human polyomaviruses is most often asymptomatic in a healthy person.

Accepted Answer

A) True 
 B)False

Exam 24: Introduction to Viruses That Infect Humans: the Dna Viruses

Which is incorrect about viral diseases?

All of the following pertain to herpes simplex-1 HSV-1), except

The hepadnaviruses

Parvoviruses

The smallpox vaccine uses the _____ virus.

Varicella and herpes zoster are caused by the same virus.

Smallpox is a disease in which

Compare and contrast chickenpox and shingles, and explain the underlying reasons for their differences in pathogenesis.

Poxviruses are the largest and most complex of all animal viruses.

Viruses with single-stranded DNA are the

Cytomegalovirus

As of 2000, according to the International Committee on the Taxonomy of Viruses, how are viruses classified?

The patients at greatest risk for severe cytomegalovirus infection include all the following, except

All of the following pertain to monkeypox, except

Which of the following viruses is an RNA virus that causes many cases of transfusion hepatitis?

Chickenpox is caused by a poxvirus.

Carriers of Hepatitis B virus are not common.

Herpes simplex-2 HSV-2) causes

Herpes keratitis is an infection of the eye.

Infection with human polyomaviruses is most often asymptomatic in a healthy person.

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods of Studying Microorganisms

A Survey of Prokaryotic Cells and Microorganisms

A Survey of Eukaryotic Cells and Microorganisms

An Introduction to Viruses

Microbial Nutrition, Ecology, and Growth

An Introduction to Microbial Metabolism: the Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering: a Revolution in Molecular Biology

Physical and Chemical Agents for Microbial Control

Drugs, Microbes, Host--The Elements of Chemotherapy

Microbe-Human Interactions: Infection and Disease

An Introduction to Host Defenses and Innate Immunities

Adaptive, Specific Immunity and Immunization

Disorders in Immunity

Procedures for Identifying Pathogens and Diagnosing Infections

The Gram-Positive and Gram-Negative Cocci of Medical Importance

The Gram-Positive Bacilli of Medical Importance

The Gram-Negative Bacilli of Medical Importance

Miscellaneous Bacterial Agents of Disease

The Fungi of Medical Importance

The Parasites of Medical Importance

The Rna Viruses That Infect Humans

Environmental Microbiology

Applied and Industrial Microbiology

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