Microbial diseases of skin and eyes 2

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Microbiology
Chapter 21
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1

all of the following are normal microbiota of the skin except

streptococcus

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-year-old have?

chickenpox

3

warts are caused by

papillomavirus

4

all of the following are characteristic of Pseudomonas aeruginosa except

gram positive cell wall

5

koplik spots are a diagnostic indicator of

measles

6

all of the following are transmitted via the respiratory route except

tinea

7

which of the following is produced by P aeruginosa

pyocyanin

8

thrush and vaginitis are caused by

candida albicans

9

the greatest single cause of blindness in the world is

trachoma

10

all of the following are characteristic of the Group A beta hemolytic streptococci except

methicillin resistance

11

which of the following causes ringworm

Microsporum and epidermophyton

12

newborns' eyes are treated with an antibiotic

as a routine precaution

13

a possible complication of chickenpox

encephalitis

14

which of the following is a subcutaneous mycosis

sporotrichosis

15

which region of the skin supports the largest bacterial population

armpits

16

staphylococcus aureus is responsible for all of the following except

acne

17

exfoliate toxin responsible for

scalded skin syndrome

18

which of the following are causative agents of conjunctivitis

haemophilus influenzae

19

in which of the following respects is measles similar to german measles (rubella)

they can be controlled by vaccination

20

why is vaccination for rubella recommended

there is a high incidence of congenital infections and birth defects

21

which of the following statements about congenital rubella syndrome is/are true

it can be prevented by vaccinating women prior to pregnancy

22

which of the following are incorrectly matched

poxvirus - fever blisters

23

which of the following is not caused by HSV-1

canker sores

24

which of the following statements about reye syndrome is false

it mostly affects older adults

25

which of the following is used to treat shingles

acyclovir

26

which of the following is used to treat sporotrichosis

oral potassium iodide

27

which of the following is used to treat candidiasis of the skin or mucous membrane

nystatin

28

scabies is a skin disease caused by a

mite

29

scabies is transmitted by

mites

30

a patient has pus-filled vesicles and scabs on her face, throat, and lower back she most likely has

chickenpox

31

which of the following leads to all the other

staphylococcal infection

32

the patient has a papular rash. Microscopic examination of skin scrapings reveals small eight-legged animals. the etiology is

sarcoptes

33

the patient has vesicles and scabs over her forehead. Microscopic examination of skin scrapings shows gram-positive cocci in clusters. the etiology is

staphylococcus aureus

34

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

microsporum

35

a 45 year old man has a pus-filled vesicles distributed over his back int he upper right quadrant, over his right shoulder, and upper right quadrant of his chest. His symptoms are mostly due to

varicella-zoster virus

36

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

candida albicans

37

which of the following is incorrectly matched

pseudomonas - inclusion conjunctivitis

38

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

propionibacterium acnes

39

which of the following is likely to spread MRSA among athletes

physical contact

whirlpool baths

taping gels

shared equipment

40

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

conjunctivitis

41

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

true

42

the majority of the staphylococci isolated from human skin are coagulase positive

false

43

the abbreaviation GAS refers to pathogenic strains of staphylococcus

false

44

haemophilis influenzae is the most common bacterial cause of pink eye

true

45

candidiasis often occurs following antibiotic therapy for bacterial infections

true

46

infection with pediculus humanus is called scabies

false

47

blue green pus is characteristic of pseudomonas woumd infection

true

48

the normal flora of the skin is predominantly gram negative rods

false

49

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

true