Question 1

All of the following are characteristic of the Group A beta-hemolytic streptococci EXCEPT

Accepted Answer

A)  methicillin resistance. 
B)  the ability to dissolve blood clots. 
C)  M proteins. 
D)  hyaluronidase production. 
E)  the ability to damage cell membranes. 
A)  methicillin resistance. 
B)  the ability to dissolve blood clots. 
C)  M proteins. 
D)  hyaluronidase production. 
E)  the ability to damage cell membranes.

Question 2

Which of the following statements about congenital rubella syndrome is FALSE?

Accepted Answer

A)  It is contracted during the first trimester of pregnancy. 
B)  It does not occur with subclinical infections. 
C)  It may result in deafness, blindness, and mental retardation. 
D)  It can be prevented by vaccinating women prior to pregnancy. 
E)  It may be fatal to the unborn child. 
A)  It is contracted during the first trimester of pregnancy. 
B)  It does not occur with subclinical infections. 
C)  It may result in deafness, blindness, and mental retardation. 
D)  It can be prevented by vaccinating women prior to pregnancy. 
E)  It may be fatal to the unborn child.

Question 3

Warts are caused by

Accepted Answer

A)  poxvirus. 
B)  herpesvirus. 
C)  Staphylococcus aureus. 
D)  papillomavirus. 
E)  parvovirus. 
A)  poxvirus. 
B)  herpesvirus. 
C)  Staphylococcus aureus. 
D)  papillomavirus. 
E)  parvovirus.

Question 4

Infection with Pediculus humanus is called scabies.

Accepted Answer

A) True 
 B)False

Question 5

A patient has pus-filled vesicles and scabs on her face, throat, and lower back. She most likely has

Accepted Answer

A)  rubella. 
B)  mumps. 
C)  measles. 
D)  smallpox. 
E)  chickenpox. 
A)  rubella. 
B)  mumps. 
C)  measles. 
D)  smallpox. 
E)  chickenpox.

Question 6

Pathogens of the skin often enter via hair follicles and ducts of the sweat glands.

Accepted Answer

A) True 
 B)False

Question 7

Scabies is transmitted by

Accepted Answer

A)  food. 
B)  fomites. 
C)  soil. 
D)  respiratory secretions. 
E)  water. 
A)  food. 
B)  fomites. 
C)  soil. 
D)  respiratory secretions. 
E)  water.

Question 8

Which of the following is NOT caused by HSV-1?

Accepted Answer

A)  herpes gladiatorum 
B)  herpes encephalitis 
C)  canker sores 
D)  cold sores 
E)  herpes whitlow 
A)  herpes gladiatorum 
B)  herpes encephalitis 
C)  canker sores 
D)  cold sores 
E)  herpes whitlow

Question 9

All of the following are transmitted via the respiratory route EXCEPT

Accepted Answer

A)  measles. 
B)  tinea. 
C)  smallpox. 
D)  chickenpox. 
E)  rubella. 
A)  measles. 
B)  tinea. 
C)  smallpox. 
D)  chickenpox. 
E)  rubella.

Question 10

A 45-year-old man has pus-filled vesicles distributed over his back in the upper right quadrant, over his right shoulder, and upper right quadrant of his chest. His symptoms are most likely due to

Accepted Answer

A)  Candida albicans. 
B)  herpes simplex virus. 
C)  Streptococcus pyogenes. 
D)  Staphylococcus aureus. 
E)  varicella-zoster virus. 
A)  Candida albicans. 
B)  herpes simplex virus. 
C)  Streptococcus pyogenes. 
D)  Staphylococcus aureus. 
E)  varicella-zoster virus.

Question 11

The varicella-zoster virus is the causative agent of chickenpox and shingles.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is likely to spread MRSA among athletes?

Accepted Answer

A)  physical contact 
B)  taping gels 
C)  shared equipment 
D)  whirlpool baths 
E)  All of the answers are correct. 
A)  physical contact 
B)  taping gels 
C)  shared equipment 
D)  whirlpool baths 
E)  All of the answers are correct.

Question 13

Which of the following is a subcutaneous mycosis?

Accepted Answer

A)  sporotrichosis. 
B)  Buruli ulcer. 
C)  athleteʹs foot. 
D)  erysipelas. 
E)  tinea capitis. 
A)  sporotrichosis. 
B)  Buruli ulcer. 
C)  athleteʹs foot. 
D)  erysipelas. 
E)  tinea capitis.

Question 14

The greatest single cause of blindness in the world is

Accepted Answer

A)  inclusion conjunctivitis. 
B)  trachoma. 
C)  pinkeye. 
D)  keratoconjunctivitis. 
E)  neonatal gonorrheal ophthalmia. 
A)  inclusion conjunctivitis. 
B)  trachoma. 
C)  pinkeye. 
D)  keratoconjunctivitis. 
E)  neonatal gonorrheal ophthalmia.

Question 15

In which of the following respects is measles similar to German measles (rubella)?

Accepted Answer

A)  They have a similar type of rash. 
B)  They can be controlled by vaccination. 
C)  Encephalitis is a possible complication. 
D)  They are caused by the same virus. 
E)  Congenital complications may occur. 
A)  They have a similar type of rash. 
B)  They can be controlled by vaccination. 
C)  Encephalitis is a possible complication. 
D)  They are caused by the same virus. 
E)  Congenital complications may occur.

Question 16

A 35-year-old woman has a red, raised rash on the inside of her thighs. Gram -stained skin scrapings show large budding cells with pseudohyphae. The infection is caused by

Accepted Answer

A)  herpes simplex virus. 
B)  Streptococcus pyogenes. 
C)  varicella-zoster virus. 
D)  Candida albicans. 
E)  Staphylococcus aureus. 
A)  herpes simplex virus. 
B)  Streptococcus pyogenes. 
C)  varicella-zoster virus. 
D)  Candida albicans. 
E)  Staphylococcus aureus.

Question 17

Which of the following is used to treat candidiasis of the skin or mucous membranes?

Accepted Answer

A)  trifluridine 
B)  penicillin 
C)  acyclovir 
D)  miconazole 
E)  sulfonamide 
A)  trifluridine 
B)  penicillin 
C)  acyclovir 
D)  miconazole 
E)  sulfonamide

Question 18

The abbreviation ʺGASʺ refers to pathogenic strains of Staphylococcus.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following statements about Reye syndrome is FALSE?

Accepted Answer

A)  It is associated with aspirin use. 
B)  Symptoms may include vomiting, drowsiness, or behavior changes. 
C)  It is a complication that may occur in chickenpox infection. 
D)  Prolonged neurological problems may occur. 
E)  It mostly affects older adults. 
A)  It is associated with aspirin use. 
B)  Symptoms may include vomiting, drowsiness, or behavior changes. 
C)  It is a complication that may occur in chickenpox infection. 
D)  Prolonged neurological problems may occur. 
E)  It mostly affects older adults.

Exam 21: Microbial Diseases of the Skin and Eyes

All of the following are characteristic of the Group A beta-hemolytic streptococci EXCEPT

Which of the following statements about congenital rubella syndrome is FALSE?

Warts are caused by

Infection with Pediculus humanus is called scabies.

A patient has pus-filled vesicles and scabs on her face, throat, and lower back. She most likely has

Pathogens of the skin often enter via hair follicles and ducts of the sweat glands.

Scabies is transmitted by

Which of the following is NOT caused by HSV-1?

All of the following are transmitted via the respiratory route EXCEPT

A 45-year-old man has pus-filled vesicles distributed over his back in the upper right quadrant, over his right shoulder, and upper right quadrant of his chest. His symptoms are most likely due to

The varicella-zoster virus is the causative agent of chickenpox and shingles.

Which of the following is likely to spread MRSA among athletes?

Which of the following is a subcutaneous mycosis?

The greatest single cause of blindness in the world is

In which of the following respects is measles similar to German measles (rubella)?

A 35-year-old woman has a red, raised rash on the inside of her thighs. Gram -stained skin scrapings show large budding cells with pseudohyphae. The infection is caused by

Which of the following is used to treat candidiasis of the skin or mucous membranes?

The abbreviation ʺGASʺ refers to pathogenic strains of Staphylococcus.

Which of the following statements about Reye syndrome is FALSE?

The Microbial World and You

Chemical Principles

Observing Microorganisms Through a Microscope

Functional Anatomy of Prokaryotic and Eukaryotic Cells

Microbial Metabolism

Microbial Growth

The Control of Microbial Growth

Microbial Genetics

Biotechnology and Dna Technology

Classification of Microorganisms

The Prokaryotes: Domains Bacteria and Archaea

The Eukaryotes: Fungi, Algae, Protozoa, and Helminths

Viruses, Viroids, and Prions

Principles of Disease and Epidemiology

Microbial Mechanisms of Pathogenicity

Innate Immunity: Nonspecific Defenses of the Host

Adaptive Immunity: Specific Defenses of the Host

Practical Applications of Immunology

Disorders Associated With the Immune System

Antimicrobial Drugs

Microbial Diseases of the Nervous System

Microbial Diseases of the Cardiovascular and Lymphatic Systems

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Disease of the Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

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