Chapter 21 Microbial Diseases of the Skin and Eyes

Chapter 21 Microbial Diseases of the Skin and Eyes

21.1 Multiple-Choice Questions

1) All of the following are normal microbiota of the skin EXCEPT A) Streptococcus.
B) Micrococcus.
C) Staphylococcus.
D) Propionibacterium.
E) Corynebacterium.
Answer: A Section: 21.2
Bloom's Taxonomy: Remembering
ASMcue Outcome: 5.4
Learning Outcome: 21.2

2) An eight-year-old girl has scabs and pus-filled vesicles on her face and throat. Three weeks
earlier she had visited her grandmother, who had shingles. What infection does the eight-
yearold have? A) chickenpox
B) measles
C) fever blisters
D) scabies E) rubella Answer: A Section: 21.3
Bloom's Taxonomy: Understanding
ASMcue Outcome: 5.4
Learning Outcome: 21.5

3) Which of the following is NOT true of acne?
A) It can be treated by eliminating fatty foods from the diet. B) It is often due to the action of
Propionibacterium.
C) Drugs that inhibit sebum formation are useful in treating inflammatory acne. D) Mild
cases are treated with topical agents.
E) Antibiotics may be prescribed for moderate cases. Answer: A
Section: 21.3
Bloom's Taxonomy: Understanding
ASMcue Outcome: 5.4
Learning Outcome: 21.4

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4) Warts are caused by
A) papillomavirus.
B) poxvirus.
C) herpesvirus. D) parvovirus.
E) Staphylococcus aureus.
Answer: A Section: 21.3
Bloom's Taxonomy: Remembering
ASMcue Outcome: 5.4
Learning Outcome: 21.5

5) All of the following are characteristic of Pseudomonas aeruginosa EXCEPT A) gram-
positive cell wall.
B) resistance to many types of disinfectants and antibiotics. C) growth in moist
environments.
D) production of pyocyanin. E) rod-shaped. Answer: A Section: 21.3
Bloom's Taxonomy: Remembering
ASMcue Outcome: 5.4
Learning Outcome: 21.4

6) Koplik spots are a diagnostic indicator of
A) chickenpox. B) smallpox.
C) fifth disease. D) rubella.
E) measles.
Answer: E Section: 21.3
Bloom's Taxonomy: Remembering
ASMcue Outcome: 5.4
Learning Outcome: 21.5

7) All of the following are transmitted via the respiratory route EXCEPT A) smallpox.
B) chickenpox. C) rubella.
D) tinea.
E) measles. Answer: D Section: 21.3
Bloom's Taxonomy: Understanding
ASMcue Outcome: 5.4

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Learning Outcome: 21.5

8) All of the following are protective factors of the skin and its secretions EXCEPT A)
keratin.
B) tightly packed cells. C) lysozyme production. D) pyocyanin production. E) salt.
Answer: D Section: 21.1
Bloom's Taxonomy: Understanding
ASMcue Outcome: 3.4
Learning Outcome: 21.1

9) Thrush and vaginitis are caused by
A) herpesvirus.
B) Chlamydia trachomatis. C) Candida albicans.
D) Staphylococcus aureus.
E) Streptococcus pyogenes. Answer: C
Section: 21.3
Bloom's Taxonomy: Remembering
ASMcue Outcome: 5.4
Learning Outcome: 21.6

10) The greatest single cause of blindness in the world is
A) neonatal gonorrheal ophthalmia. B) keratoconjunctivitis.
C) trachoma.
D) inclusion conjunctivitis. E) pinkeye.
Answer: C Section: 21.4
Bloom's Taxonomy: Remembering
ASMcue Outcome: 5.4
Learning Outcome: 21.10
11) All of the following are characteristic of the Group A beta-hemolytic streptococci
EXCEPT A) methicillin resistance.
B) M proteins.
C) the ability to damage cell membranes. D) the ability to dissolve blood clots.
E) hyaluronidase production. Answer: A