29 - AIIMS november 2002 dermatology mcqs

1q: a 45 year old man has multiple grouped vesicular lesions present on the T 10 segment dermatome associated with pain. The most likely diagnosis is ?

a. herpes zoster
b. dermatitis herpetiformis
c. herpes simplex
d. scabies

answer a. herpes zoster

2q: a 28 year old patient has multiple grouped papulovesicular lesions on both elbows,knees,buttocks and upper back associated with severe itching. The most likely diagnosis is ?

a. pemphigus vulgaris
b. bullous pemphigoid
c. dermatitis herpetiformis
d. herpes zoster

answer c.dermatitis herpetiformis

3q: a child has multiple itchy popular lesions on the genitalia and fingers .similar lesions are also seen in younger brother. Which of the following is the most possible diagnosis ?

a. popular urticaria
b. scabies
c. atopic dermatitis
d. allergic contact dermatitis

answer b. scabies

4q: which layer of epidermis is underdeveloped in the very low birth weight infants in the initial 7 days ?

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

answer d. stratum corneum

5q: scabies an infection of the skin caused by sarcoptes scabie is an example of ?

a. water borne disease
b. water washed disease
c. water based disease
d. water related disease

answer b. water washed disease

28 - common dermatological terms and their definitions

1. alopecia : hair loss , it may be partial or complete .

2. annular : ring shaped lesions

3. cyst : a soft, raised, encapsulated lesion filled with sesamoid or liquid contents .

4. herpetiform : grouped lesions

5. lichenoid : violaceous to purple, polygonal lesions that resemble those seen in lichen planus

6. milia : small ,firm, white papules filled with keratin

7. morbilliform : generalized , small erythematous macules and/or papules that resemble lesions seen in measles

8. nummular : coin shaped lesions

9. poikiloderma : skin that displays variegated pigmentation ,atrophy and telangiectases .

10. polycyclic : a configuration of skin lesions formed from coalescing rings or incomplete rings

11. pruritis : a sensation that elicits the desire to scratch. Pruritis is often the predominant symptom of inflammatory skin diseases ( example : atopic dermatitis , allergic contact dermatitis ) . it is also commonly associated with xerosis and aged skin . systemic conditions that can be associated with pruritis include chronic renal disease, cholestasis, pregnancy, malignancy, thyroid disease, polycythemia vera and delusions of parasitosis .