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Micro biology > Skin wounds > Flashcards

Skin wounds Flashcards

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1
Q

Which Gram + Bacteria Cause Abscess/Folliculitis (pimple, sty) from direct contact

A

Staph Aureus

Staph Epidermidis

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2
Q

What bacteria is the most common cause of Folliculitis

A

Staph aureus (MRSA)

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3
Q

Which bacteria that can cause Folliculitis is most predominant on skin but NOT likely to cause Folliculitis

A

Staph Epidermidis

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4
Q

Which Gram - bacteria causes Hot Tub Folliculitis

A

Pseudomonas aeruginosa

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5
Q

How does a Pseudomonas aeruginosa present its self

A

Small pimples on stomach, butt, arms, legs

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6
Q

Which Gram+ bacteria causes Staphylococcal Scalded Skin Syndrome

A

Staph Aureus

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7
Q

How does Staph Scalded skin syndrome present its self

A

Reddening of skin near mouth and spreads over entire body. Skin peels off in sheets

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8
Q

What can Staph Scalded skin syndrome be mistaken for

A

Child Abuse

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9
Q

How do you get Staph Scaled skin syndrom

A

Direct contact

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10
Q

Which Gram+ bacteria cause Impetigo

A

Staph Aureus

Strep Pyogens

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11
Q

How does Impetigo present its self

A

Small flattened red patches on face, can develop puss

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12
Q

Which bacteria is the most common cause of Impetigo

A

Staph aureus

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13
Q

Who is most likely to get Impetigo

A

Children

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14
Q

Which Gram+ bacteria is likely to cause Erysipelas

A

Strep Pyogens

Occasionally Staph aureus

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15
Q

Who is at risk of getting Erysipelas

A

Elderly 60-80

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16
Q

How does Erysipelas present itself

A

Fiery red rash with raised boarders

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17
Q

What bacteria causes Necrotizing fasciitis

A

Strep Pyogens (Gram+)

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18
Q

What is another name for Necrotizing fasciitis

A

Flesh Eating disease

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19
Q

How is Flesh Eating Disease transmitted

A

Person to person through breaks in skin

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20
Q

How does Necrotizing fasciitis spread in the body

A

Along Fascia

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21
Q

What bacteria causes Acne

A

Propionibacterium acnes (gram+)

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22
Q

What is an infection of hair follicle and sebaceous glands

A

Acne

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23
Q

What is the most sever from of acne

A

Cystic

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24
Q

Which gram- bacteria causes Cat scratch fever

A

Bartonella henselae

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25
Q

How does Cat scratch fever present its self

A

Bump of blister at site of injury

Lymphadenopathy (affects lymph nodes)

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26
Q

How do you get cat scratch fever

A

Cat scratches, licks, bites

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27
Q

What bacteria causes a Pseudomonas infection

A

Pseudomonas aeruginosa (gram-)

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28
Q

How does Pseudomonas infection present itself

A

Fever, chills,purulent matter in infected wounds

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29
Q

What pigement does Pseudomonas aeruginosa produce at site of pseudomonas infection

A

Pyocyanin

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30
Q

What bacteria causes Rocky Mountain Spotted Fever

A

Rickettsia Ricketsii (gram-)

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31
Q

How is Rock Mountain Spotted Fever Transmitted

A

Ticks (vector)

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32
Q

How does Rocky Mountain spotted Fever presented

A

Non-itchy rash on trunk, soles and palms

Petechiae

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33
Q

What bacteria causes Cutaneous Anthrax

A

Bacillus Anthracis (gram+)

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34
Q

How does Cutaneous Antrhrax present itself

A

Black crusty ulcers (eschar)

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35
Q

What category of bioterrorism threat is Bacillus Anthracis

A

Cat A

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36
Q

What bacteria causes Gas Gangrene

A

Clostridium perfingens (gram+)

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37
Q

How does Gas Gangrene present itself

A

Foul smelling

Gas Bubbles

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38
Q

How is Gas Gangrene acquired

A

Fecal contamination of water/soil + Traumatic event introduces spores into dead tissue

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39
Q

What Micro organism causes Small Pox

A

Small pox Virus (DNA Virus)

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40
Q

How does Small pox pass from person to person

A

Inhalation

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41
Q

Which human disease is the only one to be eradicated woldwide

A

Small pox

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42
Q

What category of bioterrorism threat is Small pox

A

Cat A

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43
Q

What micro organism causes Molluscum Contagiosum

A

Molluscum Contagiosum Virus

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44
Q

How does Molluscum contagiosum present on a patient

A

Raised pearl-like waxy papules

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45
Q

How is Molluscum contagiosum transmitted

A

Direct contact

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46
Q

What causes Monkeypox

A

Monkey pox virus

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47
Q

Which Pox disease is an emerging disease

A

Monkeypox

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48
Q

Which micro organism causes Herpes labialis

A

HHV-1

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49
Q

How does HHV-1 typically present itself

A

Blister on face/mouth

50
Q

Where does HHV-1 stay latent in Herpes labialis

A

Trigeminal ganglion

51
Q

Which micro organism causes Herpetic Whitlow

A

HHV-1

52
Q

How does Herpetic Whitlow present itself

A

Blisters on Finger

53
Q

Where does HHV-1 stay latent in Herpetic Whitlow

A

Brachial ganglion

54
Q

What micro organism causes Herpes gladiatorum

A

HHV-1

55
Q

How does Herpes Gladiatorum present iself

A

Blisters anywhere on the body

56
Q

What Herpes virus is associated with contact sports

A

Herpes Gladiatorum

57
Q

What micro organism causes Chicken pox

A

HHV-3

58
Q

How does Chicken pox present itself

A

Itchy fluid filled blisters

59
Q

How is Chicken pox transmitted

A

Through respiratory tract or eyes

60
Q

What is the old name for HHV-3

A

Varicella-zoster

61
Q

What micro organism causes Shingles

A

HHV-3

62
Q

How does Shingles present itself

A

Painful blisters that follow a dermatome (usually unilateral)

63
Q

Where does (HHV-3) Shingles stay latent

A

Spinal dorsal root ganglia

64
Q

How many people that have had chicken pox suffer from Shingles

A

15%

65
Q

What micro organism causes Warts

A

HPV

66
Q

How are warts transmitted

A

Direct contact

Autoinoculation (most common)

67
Q

What are warts on fingers and toes called

A

Seed Warts

68
Q

What are warts on Feet called

A

Plantar warts

69
Q

Where are flat warts found

A

Trunk
Fact
Elbows
Knees

70
Q

What causes Measles

A

Measles Virus

71
Q

Is the Measles virus a RNA or DNA virus

A

RNA virus

72
Q

What are the unique symptoms of Measles

A

Koplik spots on mucous membrane of mouth

Rash on head

73
Q

How does measles spread

A

Through respiratory droplets

74
Q

What can cause Subacute Sclerosing Panencephalitis

A

Measles virus

75
Q

What is German measles

A

Rubella

76
Q

How does Rubella present itself

A

Rash of flat pink spots

77
Q

What causes German measles

A

Rubella virus

78
Q

How is German measles spread

A

Respiratory droplets

79
Q

What can Rubella cause in pregnant women

A

Congenital Rubella Syndrom

80
Q

Is German measles (rubella) a DNA or RNA virus

A

RNA virus

81
Q

What causes Erythema Infectiosum

A

Parvovirus B19

82
Q

How does Erythema Infectiosum present itself

A

Reddening of skin resembling a slap

83
Q

What aggravates Erythema Infectiosum

A

Sunlight

84
Q

Once the rash is present in Erythema infectiosum is the person still infectious

A

No

85
Q

What is another name for Erythema infectiosum

A

Slapped cheek syndrome

86
Q

What causes Roseola

A

HHV-6 (Roseolovirus)

87
Q

How does Roseola present itself

A

Rose-colured rash

88
Q

How is Roseola transmitted

A

Person to person, likely by oral secretion

89
Q

What is Roseola linked to

A

Multiple Sclerosis

90
Q

What causes Piedra

A

Piedraia Hortae

Trichosporon beiglii

91
Q

How does Piedraia hortae present itself

A

Hard, black, irregular nodules on hair shaft

92
Q

How does Trichosporon beiglii present itself

A

Soft, greyish-white irregular nodules on hair shaft

93
Q

How are the fungi that cause Piedra transmitted

A

Shard combs and hair brushes

94
Q

What fungus causes Black Piedra

A

Piedraia Hortae

95
Q

What fungus causes White Piedra

A

Trichosporon Beiglii

96
Q

What fungus causes Pityriasis Versicolor

A

Malassezia Furfur

97
Q

How does Pityriasis versicolor present itself

A

Hypo- or hyperpigmented patches of scaly skin

98
Q

How is Malassezia furfur identified

A

Green colour under UV light

99
Q

Which fungi cause dermatophytoses

A

Epidermophyton sp.
Microsporum sp.
Trichophyton sp.

100
Q

What is another name for Dermatophytoses

A

Ring worm

101
Q

What is Athletes foot called

A

Tinea Pedia

102
Q

What is Jock itch called

A

Tinea Cruis

103
Q

What is Dermatophytoses (ring worm) on the trunk called

A

Tinea Corporis

104
Q

What is Dermatophytoses (ring worm) called on the head

A

Tinea Capitis

105
Q

What is Dermatophytoses (ring worm) called on toenails

A

Tinea Unguium (onychomycosis)

106
Q

What fungi causes Sporotrichosis

A

Sporothrix Schenckii

107
Q

How does Cutaneous Sporotrichosis present itself

A

Nodular lesions around infection site

108
Q

How does Lymphocutaneous sporotrichosis present itself

A

Lesions occur on skin along the course of lymphatic vessels

109
Q

What is another name for Sporotrichosis

A

Rose-gardeners disease

110
Q

What is the mode of tranmission of Sporotirchosis

A

Thorn pricks and splinters

111
Q

What protozoan causes Leishmaniasis

A

Leishmania sp.

112
Q

What is the vector for Leishmaniasis

A

Sand fly

113
Q

how does Cutaneous Leishmaniasis present itself

A

Large painless skin lesions

114
Q

How does Mucocutaneous Leishmaniasis present itself

A

Lesions enlarge to encompass mucous membranes

115
Q

How is Visceral leishmaniasis spread in the body

A

Through Macrophages

116
Q

What are the nicknames for Leishmaniasis

A

Baghdad boil

Kala azar

117
Q

What causes Scabies

A

Sarcoptes scabiei

118
Q

How does Scabies present itself

A

Intense itiching

119
Q

What kind of micro organism is Sarcoptes scabiei

A

a mite

120
Q

What are the characteristics of Sarcoptes scabiei infections

A

Linear burrows

121
Q

How can you transmit Sarcoptes scabiei

A

Prolonged bodily contact

Micro biology (7 decks)

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