Question 1

Inflammation of the thin clear membrane lining the eyelid and eye is properly termed

Accepted Answer

A)   keratititis
B)   trachoma
C)   ophthalmia neonatorum
D)   whitlow
E)   conjunctivitisF) B) and D)
G) All of the above

Question 2

Which of the following is used to treat shingles?

Accepted Answer

A)   trifluridine
B)   acyclovir
C)   fungicide
D)   penicillin
E)   sulfonamideF) B) and C)
G) A) and E)

Question 3

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.F) A) and D)
G) A) and E) B

Question 4

Which region of the skin supports the largest bacterial population?

Accepted Answer

A)   forearms
B)   armpits
C)   scalp
D)   feet
E)   All of these support similarly sized bacterial populations.F) A) and E)
G) D) and E) B

Question 5

Which of the following is NOT true of acne?

Accepted Answer

A)   It is often due to the action of Propionibacterium.
B)   Antibiotics may be prescribed for moderate cases.
C)   It can be treated by eliminating fatty foods from the diet.
D)   Drugs that inhibit sebum formation are useful in treating inflammatory acne.
E)   Mild cases are treated with topical agents.F) A) and B)
G) B) and C)

Question 6

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.F) A) and E)
G) B) and E)

Question 7

Which of the following is used to treat sporotrichosis?

Accepted Answer

A)   oral potassium iodide
B)   trifluridine
C)   sulfonamide
D)   penicillin
E)   acyclovirF) C) and D)
G) B) and E)

Question 8

The patient has scaling skin on his fingers. Conidiospores are seen in microscopic examination of skin scrapings. The etiology is

Accepted Answer

A)   Candida.
B)   Microsporum.
C)   Staphylococcus aureus.
D)   Mycobacterium ulcerans.
E)   Pseudomonas aeruginosa.F) A) and B)
G) A) and C)

Question 9

Scabies is transmitted by

Accepted Answer

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

Question 10

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.F) A) and E)
G) A) and C)

Question 11

Which of the following is a subcutaneous mycosis?

Accepted Answer

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

Question 12

Which of the following leads to all the others?

Accepted Answer

A)   staphylococcal infection
B)   toxemia
C)   sudden drop in blood pressure
D)   scalded skin syndrome
E)   TSST-1F) None of the above
G) A) and B)

Question 13

Which of the following cause(s)  ringworm?

Accepted Answer

A)   Microsporum
B)   Mycobacterium
C)   Epidermophyton
D)   Microsporum and Epidermophyton
E)   Microsporum, Epidermophyton, and MycobacteriumF) B) and E)
G) A) and E)

Question 14

All of the following are normal microbiota of the skin EXCEPT

Accepted Answer

A)   Corynebacterium.
B)   Staphylococcus.
C)   Micrococcus.
D)   Propionibacterium.
E)   Streptococcus.F) A) and E)
G) B) and D)

Question 15

The normal flora of the skin is predominantly gram -negative rods.

Accepted Answer

A) True 
 B)False

Question 16

Koplik spots are a diagnostic indicator of

Accepted Answer

A)   chickenpox.
B)   fifth disease.
C)   rubella.
D)   measles.
E)   smallpox.F) A) and B)
G) A) and C)

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

Which of the following are incorrectly matched?

Accepted Answer

A)   herpes zoster - shingles
B)   poxvirus - fever blisters
C)   HHV-6 - roseola
D)   varicella-zoster - chickenpox
E)   parvovirus - fifth diseaseF) C) and D)
G) B) and D)

Question 19

A 17-year-old boy has pus-filled cysts on his face and upper back. Microscopic examination reveals gram-positive rods. This infection is caused by

Accepted Answer

A)   Propionibacterium acnes.
B)   Acanthamoeba.
C)   Staphylococcus aureus.
D)   herpes simplex virus.
E)   Streptococcus pyogenes.F) A) and B)
G) B) and E) A

Question 20

Scabies is a skin disease caused by a

Accepted Answer

A)   slow virus.
B)   mite.
C)   protozoan.
D)   bacterium.
E)   prion.F) B) and E)
G) B) and D)

Exam 21: Microbial Diseases of the Skin and Eyes

Inflammation of the thin clear membrane lining the eyelid and eye is properly termed

Correct AnswerverifiedShow Answer

Which of the following is used to treat shingles?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedB

Which region of the skin supports the largest bacterial population?

Correct AnswerverifiedB

Which of the following is NOT true of acne?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is used to treat sporotrichosis?

Correct AnswerverifiedShow Answer

The patient has scaling skin on his fingers. Conidiospores are seen in microscopic examination of skin scrapings. The etiology is

Correct AnswerverifiedShow Answer

Scabies is transmitted by

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is a subcutaneous mycosis?

Correct AnswerverifiedShow Answer

Which of the following leads to all the others?

Correct AnswerverifiedShow Answer

Which of the following cause(s) ringworm?

Correct AnswerverifiedShow Answer

All of the following are normal microbiota of the skin EXCEPT

Correct AnswerverifiedShow Answer

The normal flora of the skin is predominantly gram -negative rods.

Correct AnswerverifiedShow Answer

Koplik spots are a diagnostic indicator of

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following are incorrectly matched?

Correct AnswerverifiedShow Answer

A 17-year-old boy has pus-filled cysts on his face and upper back. Microscopic examination reveals gram-positive rods. This infection is caused by

Correct AnswerverifiedA

Scabies is a skin disease caused by a

Correct AnswerverifiedShow Answer

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B

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B

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A

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