Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

Hepatitis B infection:

Accepted Answer

A) has an incubation of 1 to 3 weeks. 
B) can be transmitted by the fecal-oral route. 
C) increases risk for hepatocellular cancer. 
D) is due to a flavivirus. 
E) All of the choices are correct. 
A) has an incubation of 1 to 3 weeks. 
B) can be transmitted by the fecal-oral route. 
C) increases risk for hepatocellular cancer. 
D) is due to a flavivirus. 
E) All of the choices are correct.

Question 3

All of the following pertain to genital warts, except:

Accepted Answer

A) are not common in the United States 
B) are sexually transmitted 
C) often occur on the penis, vagina, and cervix 
D) includes large cauliflower-like masses called condylomata acuminata 
E) certain strains strongly predispose a person to cancer of the cervix or penis 
A) are not common in the United States 
B) are sexually transmitted 
C) often occur on the penis, vagina, and cervix 
D) includes large cauliflower-like masses called condylomata acuminata 
E) certain strains strongly predispose a person to cancer of the cervix or penis

Question 4

Epstein-Barr virus has the following characteristics, except:

Accepted Answer

A) it infects the respiratory epithelium. 
B) it is transmitted by direct oral contact and saliva. 
C) it multiplies and is latent in the parotid gland. 
D) it has a 30-50 day incubation. 
E) it can be transmitted by contaminated blood transfusions and organ transplants. 
A) it infects the respiratory epithelium. 
B) it is transmitted by direct oral contact and saliva. 
C) it multiplies and is latent in the parotid gland. 
D) it has a 30-50 day incubation. 
E) it can be transmitted by contaminated blood transfusions and organ transplants.

Question 5

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) can only be transmitted by direct skin contact with skin crusts. 
E) All of the 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) can only be transmitted by direct skin contact with skin crusts. 
E) All of the choices are correct.

Question 6

Varicella-zoster virus:

Accepted Answer

A) uses the respiratory epithelium as its portal of entry. 
B) becomes latent in dorsal root ganglia that serve specific dermatomes. 
C) has humans as its reservoir. 
D) causes chickenpox and shingles. 
E) All of the choices are correct. 
A) uses the respiratory epithelium as its portal of entry. 
B) becomes latent in dorsal root ganglia that serve specific dermatomes. 
C) has humans as its reservoir. 
D) causes chickenpox and shingles. 
E) All of the choices are correct.

Question 7

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 8

Describe and explain the six general steps in the multiplication cycle of an enveloped RNA virus.

Accepted Answer

1. Attachment: The first step in the mul

Question 9

When bilirubin accumulates in the blood and tissues, it causes:

Accepted Answer

A) shock. 
B) hypotension. 
C) swelling of the legs. 
D) jaundice. 
E) gangrene. 
A) shock. 
B) hypotension. 
C) swelling of the legs. 
D) jaundice. 
E) gangrene.

Question 10

Which of the following are ways to control or treat hepatitis B?

Accepted Answer

A) Recombinant interferon 
B) Heptavax vaccine 
C) Hepatitis B immune globulin (HBIG) 
D) Recombivax vaccine 
E) All of the choices may be recommended. 
A) Recombinant interferon 
B) Heptavax vaccine 
C) Hepatitis B immune globulin (HBIG) 
D) Recombivax vaccine 
E) All of the choices may be recommended.

Question 11

Carriers of hepatitis B virus are not common.

Accepted Answer

A) True 
 B)False

Question 12

Herpes keratitis is an infection of the eye.

Accepted Answer

A) True 
 B)False

Question 13

A virus that causes congenital defects and developmental problems is known as _________.

Accepted Answer

The answer of A virus that causes congenital defects and...

Question 14

Variola major and variola minor are the two principal forms of smallpox disease.

Accepted Answer

A) True 
 B)False

Question 15

Zoster immune globulin (ZIG) and varicella-zoster immune globulin (VZIG) are attenuated vaccines for childhood vaccination.

Accepted Answer

A) True 
 B)False

Question 16

The oral cavity infection called _____ occurs when herpetic vesicles cover the oral mucosa, tongue, cheeks, and lips.

Accepted Answer

The answer of The oral cavity infection called _____ occurs...

Question 17

Hepatitis B virus:

Accepted Answer

A) is principally transmitted by blood. 
B) transmission risks include shared needles, anal intercourse, and heterosexual intercourse. 
C) is transmitted to the newborn from chronic carrier mothers. 
D) has many chronic carriers. 
E) All of the choices are correct. 
A) is principally transmitted by blood. 
B) transmission risks include shared needles, anal intercourse, and heterosexual intercourse. 
C) is transmitted to the newborn from chronic carrier mothers. 
D) has many chronic carriers. 
E) All of the choices are correct.

Question 18

The antivirals used for herpes simplex infections have the ability to completely destroy the virus and permanently cure the latent infection.

Accepted Answer

A) True 
 B)False

Question 19

All of the following are similarities between HAV, HBV, and HCV, except:

Accepted Answer

A) They all cause hepatitis. 
B) They are all endemic in the U.S. 
C) They all can have an incubation period of one month. 
D) There are diagnostic tests available to distinguish between them. 
E) They are all RNA viruses. 
A) They all cause hepatitis. 
B) They are all endemic in the U.S. 
C) They all can have an incubation period of one month. 
D) There are diagnostic tests available to distinguish between them. 
E) They are all RNA viruses.

Question 20

The only body fluid that can transmit hepatitis B virus is blood.

Accepted Answer

A) True 
 B)False

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

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

Hepatitis B infection:

All of the following pertain to genital warts, except:

Epstein-Barr virus has the following characteristics, except:

Smallpox is a disease in which:

Varicella-zoster virus:

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

Describe and explain the six general steps in the multiplication cycle of an enveloped RNA virus.

When bilirubin accumulates in the blood and tissues, it causes:

Which of the following are ways to control or treat hepatitis B?

Carriers of hepatitis B virus are not common.

Herpes keratitis is an infection of the eye.

A virus that causes congenital defects and developmental problems is known as _________.

Variola major and variola minor are the two principal forms of smallpox disease.

Zoster immune globulin (ZIG) and varicella-zoster immune globulin (VZIG) are attenuated vaccines for childhood vaccination.

The oral cavity infection called _____ occurs when herpetic vesicles cover the oral mucosa, tongue, cheeks, and lips.

Hepatitis B virus:

The antivirals used for herpes simplex infections have the ability to completely destroy the virus and permanently cure the latent infection.

All of the following are similarities between HAV, HBV, and HCV, except:

The only body fluid that can transmit hepatitis B virus is blood.

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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