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Patho > Chapter 25 > Flashcards

Chapter 25 Flashcards

1
Q

It is the manifestation of mastocytosis (increased numbers of mast cells in the skin) in 50% of the cases

a. solitary mastocytoma
b. urticaria pigmentosa
c. dermatographism
d. itchyosis

A

B

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2
Q

It is a localized area of dermal edema and erythema when rubbed

a. Dartos sign
b. Mastocytoma
c. Dermatographism
d. Darier sign

A

D

dermatographism - resemble hive –> localized stroking with a pointed instrument

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3
Q

Subtype of Icthyosis that is autosomal dominant or acquired

a. ichthyosis vulgaris
b. congenital ichthyosiform erythroderma
c. lamellar ichthyosis
d. x-linked ichthyosis

A

A

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4
Q

All forms of ichthyosis exhibit a buildup of which of the following

a. stratum granulosum
b. stratum basale
c. stratum germinativum
d. stratum corneum

A

D

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5
Q

A form of urticaria that follow exposure to many antigens and an example of a localized immediate hypersensitivity type I reaction

a. mast cell-dependent, IgE-dependent
b. mast cell-dependent, IgE-independent
c. mast cell-independent, IgE-dependent
d. mast cell-independent, IgE-independent

A

A

mast cell-dependent, IgE-independent: substances that directly incite the degranulation of mast cells (opiates, antibiotics, radiographic contrast media)

mast cell-independent, IgE-independent: triggered by local factors that increase vascular permeability

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6
Q

Eczematous dermatitis typically results from T cell-mediated inflammatory reactions, what type of hypersensitivity is this?

a. Type I
b. Type II
c. Type III
d. Type IV

A

D

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7
Q

It characterizes acute eczematous dermatitis

a. acanthosis
b. hyperkeratosis
c. spongiosis
d. two of the options

A

C

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8
Q

Erythema multforme is characterized by keratinocyte injury mediated by skin homing CD8+ cytotoxic T lymphocytes, this mechanism of injury is shared with other conditions such as the following, except:

a. acute graft-versus-host disease
b. skin allograft rejection
c. fixed drug eruptions
d. Steven-Johnson syndrome

A

D

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9
Q

In psoriasis, this layer is thinned or absent

a. stratum granulosum
b. stratum basale
c. stratum germinativum
d. stratum corneum

A

A

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10
Q

These are multiple minute, bleeding points when the scale is lifted from the palque

a. Munro microabscesses
b. acanthosis
c. spongiform pustules
d. Auspitz sign

A

D

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11
Q

It is the common clinical expression of seborrheic dermatitis

a. follicular lipping
b. dandruff
c. parakeratosis
d. serum at ostia of hair follicles

A

B

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12
Q

Six P’s of lichen planus include the following, except:

a. pruiritic
b. purple
c. polygonal
d. pitting
c. papules
d. plaques

A

D - planar

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13
Q

Lichen planus is characterized histologically by a dense, continuous infiltrate of lymphocytes along the dermoepithelial junction, which is an example of:

a. Wickham striae
b. interface dermatitis
c. colloid
d. Civatte bodies

A

B

Wickham striae - white dots or lines

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14
Q

The following are inflammatory blistering disorders, except:

a. epidermolysis bullosa
b. phempigus
b. bullous pemphigoid
d. dermatitis herpetoformis

A

A

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15
Q

Most common type of pemphigus

a. pemphigus vulgaris
b. pemphigus vegetans
c. pemphigus fliaceus
d. pemphigus erythematous
e. paraneoplastic pemphigus

A

A

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16
Q

Associated with various malignancies

a. pemphigus vulgaris
b. pemphigus vegetans
c. pemphigus fliaceus
d. pemphigus erythematous
e. paraneoplastic pemphigus

A

E

17
Q

It is rare form, blisters with large, moist, verrucous, vegetating plaques studded with pustules on groin, axillae, flexural surfaces

a. pemphigus vulgaris
b. pemphigus vegetans
c. pemphigus fliaceus
d. pemphigus erythematous
e. paraneoplastic pemphigus

A

B

18
Q

More benign form and endemic in Brazil called fogo selvagem

a. pemphigus vulgaris
b. pemphigus vegetans
c. pemphigus fliaceus
d. pemphigus erythematous
e. paraneoplastic pemphigus

A

C

19
Q

Type of epidermolysis bullosa that usually results from mutations in the COL7A1 gene, which encodes type IV collagen

a. simplex
b. junctional
c. dystrophic
d. mixed

A

C

20
Q

Occur in histologically normal skin at precisely the level of the lamina lucida

a. simplex
b. junctional
c. dystrophic
d. mixed

A

B

21
Q

noninflammatory acne that is characterized by follicular papules without visible central plug

a. open comedones
b. closed comedones
d. junctional comedones
d. mixed comedones

A

B

22
Q

Type of panniculitis that is poorly defined, qxquisitely tender, erythematous plaques and nodules

a. erythema nodosum
b. erythema induratum
c. Weber-Christian disease
c. factitial panniculitis

A

A

23
Q

Form of secondary panniculitis that is caused by self-inflicted trauma or injection of foreign or toxic substances

a. erythema nodosum
b. erythema induratum
c. Weber-Christian disease
c. factitial panniculitis

A

D

24
Q

Rare form of lobular, nonvasculititic panniculitis seen in children and adults

a. erythema nodosum
b. erythema induratum
c. Weber-Christian disease
c. factitial panniculitis

A

C

25
Q

relapsing febrile nodular panniculatis is called

a. erythema nodosum
b. erythema induratum
c. Weber-Christian disease
c. factitial panniculitis

A

C

26
Q

Common on the face or dorsal surfaces of the hands, slightly elevated, flat, smooth, tan papules

a. verruca vulgaris
b. verruca plana
c. verruca plantaris
d. condyloma acuminatum

A

B

27
Q

occurs on the penis, female genitalia, urethra, perianal areas, and rectum

a. verruca vulgaris
b. verruca plana
c. verruca plantaris
d. condyloma acuminatum

A

D

28
Q

Impetigo caused by S. aureus

a. impetigo contagiosa
b. impetigo bullosa
d. impetigo vulgaris
d. impetigo cruris

A

B

contagiosa: group A strep

29
Q

Dermatophytosis of the scalp characterized by asymptomatic patchy skin lesions associated with mild erythema, crust formation, scaling, and frequent hair loss

a. tinea capitis
b. tinea barbae
c. tinea corporis
d. tinea cruris
e. tinea pedis
d. tinea vesicolor

A

A

30
Q

Which of the following is incorrenctly matched?

a. tinea capitis: scalp
b. tinea barbae: beard of sdlut men
c. tinea corporis: hands or nails
d. tinea cruris: inguinal areas
e. tinea pedis: athlete’es fooot
f. tinea vesicolor: upper trunk

A

C

31
Q

Caused by Malassezia furfur’’

a. tinea capitis
b. tinea barbae
c. tinea corporis
d. tinea cruris
e. tinea pedis
d. tinea vesicolor

A

F

Patho (13 decks)

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