5 - dermatology mcqs - 1 to 6

1) Examples of Scarring alopecia are all except

a. Cutaneous lupus

b. Lichen planus

c. Alopecia areata

d. Sarcoidosis

Answer (c ) Alopecia Areata

Reference: Harrison 16^th Edition Page 298

2) Herald patch is commonly seen with

a. Pitryasis rosea

b. Pityriasis Versicolor

c. Erysipela

d. Dermatophytosis

Answer (a) Pityriasis Rosea

Reference: Harrison 16^th Edition Page 292

3) Erythema nodosum leprosum occurs in

a. Lepro matous leprosy

b. Tuberculoid leprosy

c. Both

d. None

Answer (a) Lepramatous Leprosy

Reference: Harrison 16^th Edition Page 969

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4) Wood Lamp not useful in

a. Tinea capitis

b. Warts

c. Tinea versicolor

d. Erythrasma

Answer b) Warts

Reference: SARP - SARP 6th Edition : Page PARAS - PARAS 4th Edition : Page Sure Sucess in PG Entrance 1st Edition :

Conditions	Finding
Flexures	Accentuated
Post inflammatory	Fades
Vitiligo	Totally white
Erythrasmna(C.Minutissimum)	Coral Red
Tinea Capitis	Brilliant Green
Tinea Versicolor	Dull Yellow
Pseudomonas	Pale Blue/Green
Tuberous Sclerosis (Ash Leaf)	Blue white
Urine in Porphyria Cutanea Tarda	Pinkish Red

5) Poikiloderma presents with

a. Atrophy,

b. Telangiectasia,

c. Pigmentary changes

d. All of the above

Answer d: All of the above

Reference: Poikiloderma of Civatte refers to erythema associated with a mottled pigmentation seen on the sides of the neck, most commonly in women. Civatte first described the condition in 1923. Poikiloderma of Civatte is a condition affecting the skin. Many consider it to be a reaction pattern of the skin and not a disease. The term poikiloderma refers to the combination of atrophy, telangiectasia, and pigmentary changes (both hypopigmentation and hyperpigmentation). Poikilodermatous lesions may be seen in certain genodermatoses (Rothmund-Thomson syndrome, Bloom syndrome, dyskeratosis congenita), in connective tissue diseases (dermatomyositis, lupus erythematosus), in parapsoriasis/mycosis fungoides, and in radiodermatitis.

6) PUVA therapy is indicated in

a. Psoriasis

b. Vitiligo

c. Alopecia Areata

d. Any of the above

Answer d) Any of the above

Reference: Harrison 15^th Edition Chapter 57