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Derma > Bacterial > Flashcards

Bacterial Flashcards

1
Q

Well demarcated, brown-red macular patches that has a wrinkled skin with fine scales

A

Erythrasma

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2
Q

(Mycobacteria other than tuberculosis (MOTT)) transmit from person to person?

A

False (considered as opportunistic pathogens )

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3
Q

A rash that is cause by delayed-type hypersensitivity to S. pyogenes exotoxin A

A

Scarlet fever

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4
Q

a rash that Spares the palms and soles. followed by desquamation.

A

Scarlet fever

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5
Q

A type of intertrigo that appears as a crustation mainly behind the ears?

A

Streptococcal Intertrigo

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6
Q

Acute bacteriaI infection that presents with diffuse erythematous eruption associated with pharyngitis

A

Scarlet fever

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7
Q

An inflammatory dermatitis involving the body folds

A

Intertrigo

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8
Q

Bacterial infection that has Diffuse blanching erythema

A

Scarlet fever

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9
Q

Corticosteroids are a predisposing factor for superficial follicular Impetigo of Bockhart?

A

True

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10
Q

Corynebacteriumminutissim causes?

A

Erythrasma

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11
Q

Describe follicular impetigo of bockhart ?

A

staph superficial folliculitis that affects mainly children
With a lesion that appears as a dome-shaped yellow follicular pustale

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12
Q

Erythrasma diagnosis? And what it shows?

A

Wood’s light. Shows coral-red fluorescence

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13
Q

Erythrasma ttt for extensive cases?

A

Oral erythromycin for 15 days

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14
Q

Erythrasma ttt for most cases?

A

Topical antifungal ( Cotrimazole _ miconazole ) for 2 weeks

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15
Q

Folliculitis caused by?

A

Staph -& usually associated with scabies

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16
Q

M.marinum & M.ulcerans are a Slow growers type from (MOTT) ?

A

True

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17
Q

Mycobacterium fortuitum, Mycobacterium chelonae, and Mycobacterium abscessus are wich type of (MOTT )

A

Rapid growers

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18
Q

Presents clinically as multiple small red papules and pustules in hair bearing areawith pri-follicular inflammation

A

Superficial folliculitis and furunde (deep folliculitis) usually presents with?

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19
Q

Pseudofolliculitis heals with scaring but without keloid formation?

A

False
Leads to Scarring
Forms keloid

20
Q

Sandpaper-like rash with small papules

A

Scarlet fever

21
Q

Scarlet fever caused by?

A

Streptococcus

22
Q

staph superficial folliculitis that affects mainly children
With a lesion that appears as a dome-shaped yellow follicular pustale

A

Describe follicular impetigo of bockhart ?

23
Q

Strawberry tongue / circumoral pallor

A

Scarlet Fever

24
Q

Superficial folliculitis and furunde (deep folliculitis) usually presents with?

A

Presents clinically as multiple small red papules and pustules in hair bearing areawith pri-follicular inflammation

25
Q

The special culture mycobacterial needs to grow

A

Lowenstein-Jensen

26
Q

Ttt for scarlet fever?

A

Penicillin
cephalosporins – clindamycin – macrolides (in penicillin allergy )

27
Q

M.marinum and M.ulcerans are slow growes?

A

True

28
Q

Mycobacterium fortuitum, Mycobacterium
chelonae, and Mycobacterium abscessus are which type of (MOTT)?

A

Rapid growers

29
Q

Rapid Growers characterized by rapid growth on
standard media and by lack of pigmentation?

A

True

30
Q

Mention TB types that affects the skin from an exogenous source

A

-TB chancre ( 1ry inoculation complex )
-TB verrucosacutis (warty TB)
-Lupus vulgaris

31
Q

A type of TB that starts as asymptomatic brownish-red papule or nodule that
eventually forms an ulcer

A

TB chancre

32
Q

A type of TB that affects hands, knees and ankles

A

TB verrucosacutis

33
Q

The Communest type of cutaneous T.B?

A
  • Lupus vulgaris
34
Q

Commonest place for lupus vulgarism to appear?

A

Face & neck (90%)
Buttocks & limbs

35
Q

Type of exogenous TB that appears at first as asymptomatic sharply demarcated reddish-
brown soft plaque then spread peripherally with healing in
the center

A

Lupus vulgarism

36
Q

TB that has a thin contractile non-healing scar (new
lesions appear within the scar).

A

Lupus vulgarism

37
Q

A TB type that may involve mucous membranes and may cause Destruction of the underlying structures, severe mutilation
and deformities

A

Lupus vulgaris

38
Q

Diascopy test is donefor which TB

A

Lupus valgani

39
Q

What is Apple jelly nodule & in which descasedose it happen?

A

Yellowish spots appear after reducing the vascularity with a glass slide ( diascopy test ) in lupus vulgaris

40
Q

Scrofuloderma
is a types of TB from endogenous source?

A

True

41
Q

Types of TB due to hematogenous spread?

A

Acute military -TB gumma

42
Q

a type of TB that affects usually lymph node, bone or joint as a results from direct involvement of the skin
overlying a TB focus

A

Scrofuloderma

43
Q

A type of TB with a bluish red
subcutaneous nodule that softens and ruptures, to form an ulcer or sinus then
heals with scarring

A

Scrofuloderma:

44
Q

A TB with generalized erythematous papules, nodules, ulcers and wide
spread internal tuberculosis.

A

Acute military

45
Q

A TB that represents as subcutaneous nodules that may break to form a
tuberculous ulcer or sinus

A

TB gumma

Derma (1 decks)

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