DERMATOLOGY MCQ (6_9_03) – POST TEST [20ebooks.com]

DERMATOLOGY POSTING (groups 7, 8, 9) MCQ PRETEST (T/F) 1.Annular lesions a) acne vulgaris b) tinea corporis c) urticaria d) erythema multiforme e) bowen disease

2. Blisters a) pemphigus valguris b) erythema multiforme c) fixed drug eruption d) impetigo e) vitiligo

3. Permanent scarring a) lichen planus b) psoriasis c)acne vulgaris d) urticaria e) pityriasis rosea

. !nfectious origin a) lichen planus

b) seborrhoeic "eratitis c) melanoma d) hairy leu"opla"ia of tongue e) bacillary angiomatosis

#. Premalignant lesion a) arsenic "eratosis b) seborrheic "eratosis c) Bowen$s disease d) naevus sebaceous e) actinic "eratosis

%. Aggravated by sun a) dermatomyositis b) scleroderma c) psoriasis d) sub& '( e) pityriasis rosea

*. +hronic relapsing a) seborrheic dermatitis b) pityriasis rosea c) lichen striatus d) telogen effluvium e) erythema marginatum

,. -opical steroids is useful in rx of a) dermatitis artefacta b) perioral dermatitis c) inflammatory acne vulgaris d) rosacea e) hypertrophic scars

. -ransmitted sexually/ a) granuloma inguinale b) erythroplasia of 0ueyrat c) pearly papules of penis d) lichen sclerosis e) fordyce spots

1. 'erology seful/ a) latent syphillis b) herpes simplex of penis c) trichomoniasis d) inguinale e) gonorrhea

POST TEST (T/F) 1.

+urrently available serological tests are useful for the following '-s/

a.

syphilis

b. gomnorrhoea c.

chlamydial cervicitis

d. genital herpes e. genital warts

2. +ommon contact allergens include a.

4ic"el

b.

5ragrance

c.

-itanium

d. Para6phenylenediamine e. 7inc oxide

3.

-he following are causes of generali8ed exfoliative dermatitis

a.

psoriasis

b. Atopic dermatitis c.

rug eruption

d. 'e8ary syndrome e. Pemphigus vulgaris

. A flexural pre6dilection is seen in/ a. Pityriasis rosea b. 'eborrhoeic dermatitis c.

Bullous pemphigoid

d. rythema multiforme e. Atopic dermatitis

#. ifferential diagnosis of acne vulgaris a.

9osacea

b. Pityrosporum folliculitis

c.

Pityriasis rosea

d. (upus vulgaris e. Peri6oral dermatitis

%. Pityriasis rosea a. :ost commonly occurs in infants b. :aybe mista"en for guttate psoriasis c.

-ypically lasts for between % to , months

d. ;ften causes prolonged post6inflammatory hypo6pigmentation e. 'hould be treated with prednisolone

*.

iffuse alopecia occurs in all these conditions

a. hypothyroidism b. 5olate deficiency c.

'(

d. rythroderma e. (ichen planus

,. Pruritis may be a presenting symptom of/ a.

scabies

b. telogen effluvium c.

leprosy

d. polycythemia rubra vera e. basal cell carcinoma

. -he following are associated with underlying malignancy/ a.

ematomyositis b. 'ystemic sclerosis c. +utaneous vasculitis d. erythema marginatum e. granuloma annulare

1. Systemic steroids can/may/are used in:

a. Pemphigus vulgaris b.

Toxic epidermal necrolysis

c. pidermolysis bullosa dystrophia d. rythema nodosum e. Dermatomyositis

11. Acne vulgaris a. 9esponds to tetracycline b. Pustules when cultured< often grow '. aureus c. Acne cysts may be treated with intralesional steroids d. -opical clindamycin reduces scars e. :ay occur in children as young as 1 years old

12. -he nails may be affected in a. Psoriasis b. (ichen planus c. Alopecial areata d. telogen effluvium e rythema multiforme

13. -he following principles should be "ept in mind while prescribing topical dermatological therapy a. -he more severe the s"in reactions< the milder the local therapy as oral therapy is needed b. -he morphological stage of the disease determines the choice of the vehicle c. -he choice of vehicle is determined by the site of the s"in lesions d. Atopic dermatitis in children is more severe and therefore more potent steroids are needed e. ;nly a thin layer on direct contact with the s"in is important for penetration

1. 'have biopsy is the surgery of choice a. when melanoma is suspected b. when "eratoacanthoma needs to be differentiated from '++ c. to remove exophytic epidermal growth d. to diagnose panniculitis e. when an inflammatory lesion is suspected

1#. Psoriasis a. 'trep infection is a provo"ing agent b. :ay first appear after parturition c. 4ail dystrophy is uncommin ! psoariatic arthritis of the arthritis mutilans ytype d. generali8ed psutular psoriasis may be precipitated by hypocalcemia e. s"in lesions precede arthritis in the ma=ority of cases

OSCE  spo! "#$g%os#s &#!' o% "#r%!#$*

1.

Annular lesions / pale center< red periphery over the upper bac" dx / tinea corporis< urticaria< granuloma annulare

2.

>rouped vesicles?papules somewhat pearly with umbilicated center dx/ :olluscum contagiosum< P(@A< herpes< lymphangiosum

3.

oney6coloured crust over the nasolabial fold of a "id dx/ !mpetigo

. Acute exanthem eruption with herald patch dx/ Pityriasis 9osea< fixed drug eruption< sec syphilis #. 'caly lesions on scalp with patchy hair loss dx/ tinea capitis< seb dermatatitis %. 'ilvery white pla0ues on both "nees dx/ psoriasis< lichen planus *.

Blac" nodules on face with pearly rolled up edges. +entral umbilicated dx/ B++

,. erythema and scaliness of web spaces of fingers dx/ -inea< scabies< candidiasis .

well defined margins of hair loss. 4o erythema< no vellus hair< no scarring x/ alopecia areata

1. blac"ish pigmentation and destruction and necrosis of the thumb nails x/ acral lentiginous melanoma