Question 1

The ________ are Gram-positive pleomorphic bacteria commonly found on the skin.

Accepted Answer

A)  Clostridia 
B)  diphtheroids 
C)  Staphylococci 
D)  Streptococci 
E)  Pseudomonads 
A)  Clostridia 
B)  diphtheroids 
C)  Staphylococci 
D)  Streptococci 
E)  Pseudomonads B

Question 2

Immunization with (chickenpox/cowpox/HPV) provides protection against smallpox.

Accepted Answer

cowpox

Question 3

A man is suffering severe foot pain in the area of what looks like a large wart. He reports he has had the wart for some time, and the pain and swelling have developed slowly. A sample from the lesion shows that the pus contains large cells that stain a golden brown color. The man is likely suffering from

Accepted Answer

A)  sporotrichosis. 
B)  necrotizing fasciitis. 
C)  chromoblasomycosis. 
D)  mycetoma. 
E)  phaeohyphomycosis. 
A)  sporotrichosis. 
B)  necrotizing fasciitis. 
C)  chromoblasomycosis. 
D)  mycetoma. 
E)  phaeohyphomycosis. C

Question 4

A series of nodular lesions on an arm that fill with pus and ulcerate through the skin is characteristic of infection with the fungus

Accepted Answer

A)  Microsporum. 
B)  Trichophyton. 
C)  Epidermophyton. 
D)  Micrococcus. 
E)  Sporothrix schenckii. 
A)  Microsporum. 
B)  Trichophyton. 
C)  Epidermophyton. 
D)  Micrococcus. 
E)  Sporothrix schenckii.

Question 5

A rash characterized by macules which swell, fill with fluid and then pus, then rupture and become crusty lesions, is characteristic of

Accepted Answer

A)  human herpes virus 2 primary infection. 
B)  poxvirus infection. 
C)  chickenpox virus reactivation. 
D)  roseola virus. 
E)  papillomavirus infection. 
A)  human herpes virus 2 primary infection. 
B)  poxvirus infection. 
C)  chickenpox virus reactivation. 
D)  roseola virus. 
E)  papillomavirus infection.

Question 6

A sample from an abscess is stained and examined under the microscope. A Gram stain appears uniformly pink, but a GMS (Gomori methenamine silver) stain reveals brownish filaments in the sample. These findings suggest

Accepted Answer

A)  necrotizing fasciitis. 
B)  sporotrichosis. 
C)  leishmaniasis. 
D)  phaeohyphomycosis. 
E)  dermatophytosis. 
A)  necrotizing fasciitis. 
B)  sporotrichosis. 
C)  leishmaniasis. 
D)  phaeohyphomycosis. 
E)  dermatophytosis.

Question 7

M protein is an antiphagocytic factor produced by Streptococcus pyogenes.

Accepted Answer

A) True 
 B)False

Question 8

Localization of lesions within a band of skin on one side of the body is a characteristic of the disease (measles/shingles/sporotrichosis).

Accepted Answer

The answer of Localization of lesions within a band of...

Question 9

Herpesvirus infections can be controlled with chemotherapeutic agents.

Accepted Answer

A) True 
 B)False

Question 10

The rash described as "teardrops on rose petals" is characteristic of

Accepted Answer

A)  anthrax. 
B)  chickenpox. 
C)  herpes. 
D)  smallpox. 
E)  warts. 
A)  anthrax. 
B)  chickenpox. 
C)  herpes. 
D)  smallpox. 
E)  warts.

Question 11

Some strains of Papillomavirus are oncogenic due to their ability to

Accepted Answer

A)  lie dormant in cells for years. 
B)  integrate into the host cell DNA. 
C)  escape the phagosome before lysosome fusion. 
D)  produce deoxyribonucleases. 
E)  cause extensive damage to blood vessels. 
A)  lie dormant in cells for years. 
B)  integrate into the host cell DNA. 
C)  escape the phagosome before lysosome fusion. 
D)  produce deoxyribonucleases. 
E)  cause extensive damage to blood vessels.

Question 12

Chromoblastomycosis is rarely a severe disease and can be treated easily with appropriate drugs.

Accepted Answer

A) True 
 B)False

Question 13

Explain the relationship between chickenpox and shingles, paying special attention to the pathogenic processes and transmission of each of these diseases.

Accepted Answer

Chickenpox and shingles are different ma

Question 14

Both necrotizing fasciitis and gas gangrene are diseases characterized by rapid, spreading tissue necrosis. Compare and contrast the infectious agents, the pathology and treatment.

Accepted Answer

Both diseases are caused by bacterial pa

Question 15

Warts on the sole of the foot are known as (seed/flat/plantar) warts.

Accepted Answer

The answer of Warts on the sole of the foot...

Question 16

The skin is an effective barrier against invading microbes because

Accepted Answer

A)  the outer layers of cells are dead. 
B)  the surface is covered in salt. 
C)  it is well supplied with blood vessels to flush microbes from the surface. 
D)  no microbes are able to survive on the surface. 
E)  the outer layers are dead and covered in salt. 
A)  the outer layers of cells are dead. 
B)  the surface is covered in salt. 
C)  it is well supplied with blood vessels to flush microbes from the surface. 
D)  no microbes are able to survive on the surface. 
E)  the outer layers are dead and covered in salt.

Question 17

A child has a rash on the face, arms, upper legs, and torso. It is splotchy and intensifies after being in the sun. The child does not complain of fever or itchiness. The signs and symptoms are consistent with

Accepted Answer

A)  chickenpox. 
B)  roseola. 
C)  fifth disease. 
D)  cat scratch disease. 
E)  scabies. 
A)  chickenpox. 
B)  roseola. 
C)  fifth disease. 
D)  cat scratch disease. 
E)  scabies.

Question 18

Under some circumstances, ________ is beneficial, but under other conditions the bacteria become overabundant leading to inflammation of hair follicles.

Accepted Answer

A)  Propionibacterium acnes 
B)  Pseudomonas aeruginosa 
C)  Streptococcus pyogenes 
D)  Microsporum 
E)  Bacillus anthracis 
A)  Propionibacterium acnes 
B)  Pseudomonas aeruginosa 
C)  Streptococcus pyogenes 
D)  Microsporum 
E)  Bacillus anthracis

Question 19

A small puncture wound on a woman's arm has become swollen, hot to the touch, and intensely painful. There is tissue necrosis but it is not "gassy," and under the microscope Gram-positive cocci in chains are present. Which of the following microbes is likely to be responsible?

Accepted Answer

A)  Streptococcus pyogenes 
B)  Staphylococcus aureus 
C)  Pseudomonas aeruginosa 
D)  Clostridium perfringens 
E)  Sporothrix schenckii 
A)  Streptococcus pyogenes 
B)  Staphylococcus aureus 
C)  Pseudomonas aeruginosa 
D)  Clostridium perfringens 
E)  Sporothrix schenckii

Question 20

Which of the following is a complication that may result from a Streptococcus pyogenes skin infection?

Accepted Answer

A)  a carbuncle 
B)  a sty 
C)  shingles 
D)  scalded skin syndrome 
E)  erysipelas 
A)  a carbuncle 
B)  a sty 
C)  shingles 
D)  scalded skin syndrome 
E)  erysipelas

Exam 19: Microbial Diseases of the Skin and Wounds

The ________ are Gram-positive pleomorphic bacteria commonly found on the skin.

Immunization with (chickenpox/cowpox/HPV) provides protection against smallpox.

A series of nodular lesions on an arm that fill with pus and ulcerate through the skin is characteristic of infection with the fungus

A rash characterized by macules which swell, fill with fluid and then pus, then rupture and become crusty lesions, is characteristic of

A sample from an abscess is stained and examined under the microscope. A Gram stain appears uniformly pink, but a GMS (Gomori methenamine silver) stain reveals brownish filaments in the sample. These findings suggest

M protein is an antiphagocytic factor produced by Streptococcus pyogenes.

Localization of lesions within a band of skin on one side of the body is a characteristic of the disease (measles/shingles/sporotrichosis).

Herpesvirus infections can be controlled with chemotherapeutic agents.

The rash described as "teardrops on rose petals" is characteristic of

Some strains of Papillomavirus are oncogenic due to their ability to

Chromoblastomycosis is rarely a severe disease and can be treated easily with appropriate drugs.

Explain the relationship between chickenpox and shingles, paying special attention to the pathogenic processes and transmission of each of these diseases.

Both necrotizing fasciitis and gas gangrene are diseases characterized by rapid, spreading tissue necrosis. Compare and contrast the infectious agents, the pathology and treatment.

Warts on the sole of the foot are known as (seed/flat/plantar) warts.

The skin is an effective barrier against invading microbes because

A child has a rash on the face, arms, upper legs, and torso. It is splotchy and intensifies after being in the sun. The child does not complain of fever or itchiness. The signs and symptoms are consistent with

Under some circumstances, ________ is beneficial, but under other conditions the bacteria become overabundant leading to inflammation of hair follicles.

A small puncture wound on a woman's arm has become swollen, hot to the touch, and intensely painful. There is tissue necrosis but it is not "gassy," and under the microscope Gram-positive cocci in chains are present. Which of the following microbes is likely to be responsible?

Which of the following is a complication that may result from a Streptococcus pyogenes skin infection?

A Brief History of Microbiology

The Chemistry of Microbiology

Cell Structure and Function

Microscopy, Staining, and Classification

Microbial Metabolism

Microbial Nutrition and Growth

Microbial Genetics

Recombinant DNA Technology

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Body: Antimicrobial Drugs

Characterizing and Classifying Prokaryotes

Characterizing and Classifying Eukaryotes

Characterizing and Classifying Viruses, Viroids, and Prions

Infection, Infectious Diseases, and Epidemiology

Innate Immunity

Adaptive Immunity

Immunization and Immune Testing

Immune Disorders

Microbial Diseases of the Nervous System and Eyes

Microbial Cardiovascular and Systemic Diseases

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Applied and Industrial Microbiology

Microbial Ecology and Microbiomes

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