Question 1

The enzyme that clots plasma is ______.

Accepted Answer

A)  catalase
B)  staphylokinase
C)  hyaluronidase
D)  kinase
E)  coagulaseF) A) and B)
G) B) and D)

Question 2

A higher rate of eye infections can be expected from a person who _____.

Accepted Answer

A)  is very young
B)  wears glasses
C)  cannot produce tears
D)  has a vitamin deficiencyE) B) and C)
F) A) and B)

Question 3

Impetigo is caused by ______.

Accepted Answer

A)   C. perfringens
B)   C. diphtheriae
C)   S. aureus
D)   S. pyogenes
E)   Both S. aureus and S. pyogenes are correct.F) B) and E)
G) B) and C)

Question 4

The organisms that cause ringworm, or tinea, use keratin protein as their growth substrate.This is why these infections

Accepted Answer

A)  cause a discoloration of the skin by damaging skin pigment protein.
B)  produce a rash all over the body during an infection.
C)  are restricted to superficial skin layers.
D)  have a high mortality rate.E) A) and B)
F) A) and C)

Question 5

Which of the following is mismatched?

Accepted Answer

A)  Tinea capitis - ringworm of the beard
B)  Tinea cruis - ringworm of the groin
C)  Tinea unguium - ringworm of the nails
D)  Tinea corporis - ringworm of the body
E)  Tinea pedis - ringworm of the footF) A) and B)
G) A) and C)

Question 6

Necrotizing fasciitis is

Accepted Answer

A)  typically a sequelae of streptococcal pharyngitis.
B)  possibly caused by antibodies to Group A streptococci that cross-react with body tissues.
C)  also called impetigo.
D)  associated with strains of Streptococcus pyogenes producing destructive enzymes and toxins.
E)  not treatable with antimicrobial drugs.F) A) and D)
G) B) and D)

Question 7

The causative agent of trachoma is ______.

Accepted Answer

A)   herpes simplex virus type 1 (HSV-1) 
B)   adenovirus
C)   N. gonorrhoeae
D)   S. aureus
E)   C. trachomatisF) B) and C)
G) C) and E)

Question 8

Which eye disease is characterized by a pannus forming over the cornea?

Accepted Answer

A)  Trachoma
B)  Keratitis
C)  Stye
D)  River blindness
E)  Simple conjunctivitisF) D) and E)
G) B) and D)

Question 9

Which of the following statements is true of viral conjunctivitis?

Accepted Answer

A)  It is caused by adenoviruses.
B)  It is caused by Chlamydia trachomatis or Neisseria gonorrhoeae.
C)  It has a mucopurulent discharge.
D)  It must be treated with both topical and oral antibiotics.E) B) and D)
F) A) and D)

Question 10

Which material in skin provides protection from abrasions, water damage, and microorganism entry?

Accepted Answer

A)  Salt
B)  Lysozyme
C)  Keratin
D)  Sweat
E)  SebumF) All of the above
G) A) and B)

Question 11

Transmission of tineas include

Accepted Answer

A)  human to human.
B)  animal to human.
C)  soil to human.
D)  All of the choices are correct.E) B) and C)
F) A) and D)

Question 12

Which of the following is not true of staphylococcal scalded skin syndrome (SSSS) ?

Accepted Answer

A)  It predominantly affects newborns and babies.
B)  It is an exotoxin-mediated disease.
C)  The toxins cause bullous lesions.
D)  The skin splits between the dermis and epidermis.
E)  The skin splits within the epidermis.F) B) and E)
G) A) and C)

Question 13

River blindness is

Accepted Answer

A)  endemic in Australia, New Zealand, and South Pacific islands.
B)  preventable by a vaccine administered to travelers.
C)  transmitted by mosquito vector.
D)  a disease caused by helminths invading the eyes.E) A) and C)
F) A) and B)

Question 14

The smallpox vaccine uses the ______ virus.

Accepted Answer

A)  variola
B)  herpes simplex
C)  Human herpesvirus 6
D)  smallpox
E)  vacciniaF) C) and E)
G) A) and B)

Question 15

Which microorganism species is most well-adapted to life on the skin?

Accepted Answer

A)  Corynebacterium diphtheriae
B)  Candida albicans
C)  Staphylococcus epidermidis
D)  Malassezia
E)  Streptococcus pyogenesF) A) and B)
G) D) and E)

Question 16

Molluscum contagiosum is transmitted by direct contact with skin lesions, fomites, and sexual activity.

Accepted Answer

A) True 
 B)False

Question 17

The environment of human skin requires an adaptation for microbes that can tolerate moderately ______ conditions.

Accepted Answer

A)  alkaline
B)  thermophilic
C)  halophilic
D)  anaerobic
E)  psychrophilicF) A) and D)
G) A) and C)

Question 18

Which of the following statements concerning rubella immunization is correct?

Accepted Answer

A)  A child born with congenital rubella may be immunized to prevent recurrence of the disease.
B)  A pregnant woman who contracts rubella should be immunized to protect her unborn child.
C)  Administration of the rubella vaccine at 12 to 15 months of age is good protection against congenital rubella.
D)  The rubella vaccine given in childhood can protect both the child and any children that she may bear in the future.E) All of the above
F) A) and D)

Question 19

Measles is also known as ______.

Accepted Answer

A)  varicella
B)  fifth disease
C)  rubella
D)  shingles
E)  rubeolaF) A) and E)
G) B) and E)

Question 20

Microbes are not likely to be found in which of the following locations on human skin?

Accepted Answer

A)  Hair follicle
B)  Sebaceous gland
C)  Sensory nerve fiber in the dermis
D)  The stratum corneumE) C) and D)
F) A) and C)

Exam 18: Infectious Diseases Affecting the Skin and Eyes

Which eye disease is characterized by a pannus forming over the cornea?

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The smallpox vaccine uses the ______ virus.

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Impetigo is caused by ______.

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Which of the following statements concerning rubella immunization is correct?

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Which microorganism species is most well-adapted to life on the skin?

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The enzyme that clots plasma is ______.

Correct AnswerverifiedShow Answer

River blindness is

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Microbes are not likely to be found in which of the following locations on human skin?

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Which of the following is mismatched?

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Which material in skin provides protection from abrasions, water damage, and microorganism entry?

Correct AnswerverifiedShow Answer

The environment of human skin requires an adaptation for microbes that can tolerate moderately ______ conditions.

Correct AnswerverifiedShow Answer

Molluscum contagiosum is transmitted by direct contact with skin lesions, fomites, and sexual activity.

Correct AnswerverifiedShow Answer

Necrotizing fasciitis is

Correct AnswerverifiedShow Answer

A higher rate of eye infections can be expected from a person who _____.

Correct AnswerverifiedShow Answer

Which of the following is not true of staphylococcal scalded skin syndrome (SSSS) ?

Correct AnswerverifiedShow Answer

Measles is also known as ______.

Correct AnswerverifiedShow Answer

The causative agent of trachoma is ______.

Correct AnswerverifiedShow Answer

Transmission of tineas include

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Which of the following statements is true of viral conjunctivitis?

Correct AnswerverifiedShow Answer

The organisms that cause ringworm, or tinea, use keratin protein as their growth substrate.This is why these infections

Correct AnswerverifiedShow Answer

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