22 -All these statements are incorrect except-:1 -Iris  lesion  is  the  primary  lesion  of  erythema  nodosum

2 -Psoriatic arthritis never affects fingers joints ,or treated with methotrexate.3 -Pityriasis rosea is chronic disease ,needs ttt for years.

4 -Acne fulminans is not accompanied by fever.  5- The mite demodex follicularum may has a rule in causing rosacea.  

  

23 -Regarding acne all the following are correct except-: 1 -acne pts. Have increased level of 5-alpha-reductase enzyme.

2 -most pts have oily skin.3 -there is hyperresponsiveness of sebaceous glands to androgens.

4 -it’s a polymorphic eruption.5 -never affects infants or caused by drugs

 1- All the following are true except: 1- Heredity angioedema is best  treated with fresh plasma. 2- Erythema nodosum may accompany ulcerative colitis ,leprosy,behcets disease and sarcoidosis. 3- Papular urticaria is never 2ry to insect bite. 4- Panniculitis is inflammation of subcutis,eg.erythema nodosum. 5- Polymorphism occurs in erythema multiforme,scabies and chicken pox .    2- One of the following is true:  1- Myxedema and angioedema accompany haert failure.  2- Wheal in urticarial vasculitis remain less than 12 hours.  3- Ranitidine and famotidine are contraindicated in ttt of urticaria. 4- Griseofulvin is effective ttt for yeast and cadida infection. 5- Koebner phenomena occurs in psoriasis, plane warts,lichen planus.

3- Regarding allergic skin diseases all are true except :-1- Hand dermatitis may occur as an id-eruption =dermatophytid ,to tinea pedis.     2- Herpes simplex and mycoplasma pneumonia are the commonest causes of bullous erythema multiforme .    3- Lesions of atopic dermatitis in children appear on  anticubital  and popliteal skin.   4- Lichen simplex chronicus=neurodermatitis never appear on ankle and scrotal skin. 5- Urticarial wheal is due to derma edema.

4- All the following drugs may be effective ttt for urticaria and angioedema except:- 5-    Fresh plasma transfusion.

2- Danazol.3- Famotidine4- Codeine and aspirin.5- Adrenaline.   5- Which of the following is wrong:5-     Scutulum=sulpher cup is not the 1ry lesion of kerion. 2- Carbuncle is multiple fused furuncles. 3- Erysepelas is uperficial infection than cellulitis. 4- Lupus vulgaris may cause lupus nephritis and albuminuria. 5- When urticaria stays more than one and half month its named chronic urticaria.

 6- Regarding fixed drug eruption,all are true except: 1- The lesion is vesicls or bulla on top of violaceous erythema. 2- Occur at the same site every time.  3- Lips and penis are rare sites. 4- Sulphonamides,tetracycline, nsaids and analgesics are common causes. 5- The  same lesion occurs every time the same drug is administered.

 6 )All the following are true except:

 1 -molluscum contagiousum, impetigo, scabies are highly infectious diseases. 2 -ointments are non greasy, best used in acute dermatitis.

 3 -ramsy hunt syndrome causes facial palsy and tinnitus, its  2ry to varicella zoster virus, inducing facial zoster.

 4 -erysepelas is more superficial infection than cellulitis. 5 -tzank smear, woods light,trichophytin test, diascopy, koh test, help

dermatologist in diagnosis of skin diseases.

7 )All the following are wrong except:1 -verruca plana=flat warts are common in genital area and soles

 2 -eczema herpeticum is complication of urticaria. 3 -chicken pox may cause ataxia 2ry to encephalitis

 4 -syphilis is mycotic infection5 -herpes zoster comes ,only,  if patient previously have had herpes simplex.

8 )All are true except:1-    herpes simplex and mycoplasma are common cause of erythema multiforme minor and major=stevens Johnson syndrome.

2-    sycosis barbae is psychic trouble.3-    1ry lesion of favus is scutulum.4-    polymorphism occurs in chicken pox and scabies,5-    gel is transparent compounds,,used in hairy areas.

9 )All are incorrect, except:1 -crusts are never seen in impetigo.

2 -molluscum contagiosum is fungal disease.3 -epidermis is avascular.

4 -stratum lucidum is absent in palms and soles.5 -condyloma lata is viral infection.

   

10 )All these statements are true except:1-chancre is bacterial infection.

2-ramsy-hunt syndrome is complication of herpes zoster. 3-griseofulvin is treatment of choice for candidiasis and pityriasis versicolor.

 4-shingles=herpes zoster patients may infect their children with chicken pox.

 5-cream is used in intertrigenous areas and in acutedermatitis.  

11 )One of the following is true:1 -eczema is a dermatosis.

2 -gel is contraindicated in hairy areas.3 -kerion and favus are due to bacteria.

4 -leishmaniasis,acsbies and pediculoosis are not due to parasites.5 -kaposi sarcoma, leukoplakia,bilateral or disseminated herpes zoster,aggressive

seborrheic dermatitis and molluscum contagiosum are  manifestations of aids.  

12 )All the following are true except-:  1 -ecthyma is crusted,deep seated  impetigo,

usually on legs 2 -nits diffes r from dandruff ,in, similar in  shape ,equal in size,stuck to hair,not

fall  down on shoulders and shiny white.3 -side effects of antihistamines,xerostomia,blurred

vision,sedation,tinnitus as anticholinergic effects. 4 -lupus vulgaris is type of lupus erythematosus.

 5 -tinea pedis commonly causes tinea cruris.13 )All are untrue except-:

1 -herpetic whitlow is due to human papilloma virus. 2 -cold dry skin is a sign of thyrotoxicosis.

 3 -lupus vulgaris is diagnosed by woods light and never turns malignant.  4 -hyperpigmentation is sign of Addison disease.

 5 -ketoconazole,selenium  sulfide ,zinc pyrithione are contraindicated in ttt of pytryasis versicolor and pityriasis capitis=seborrheic dermatitis. 

 14 )All these lesions heal with scar except-:

 1 -lupus vulgaris. 2 -ecthyma. 3 -erosion. 

 4 -favus. 5 -chronic discoid lupus erythematosus. 

 15)All these diseases are accompanied by fever

 except-:1 -chicken pox. 

2 -erysipelas. 3 -scarlet fever. 

4 -kerion. 5 -acne fulminans.

    

16)   Regarding bacillary  skin diseases, all are true except-:1 -lupus  vulgaris may occur at sites  of  b.c.g vaccination.

2 -leonine facies may be a sign of lepromatous leprosy.3 -lupus vulgaris never heals with scar or turns malignant. 

4 -lupus vulgaris is common on face and buttocks and diascopy test helps in its diagnosis. 

5 -leprosy is  considered a bacillary skin disease.

17)   Regarding an ulcer,all are true except-:    1 -t.b. ulcer has undermined edge.

2 -ecthyma,chancre, lupus vulgaris,bcc, arepossible causes.

3 -heals without  scar.4 -tinea cruris heals without ulcer.

5 -scc has raised everted edge.  

18)   common Cutaneous manifestation that may complicate diabetes mellitus include all the following except,

1 -necrobiosis lipoidica diabeticorum 2 -vulvovaginal candidiasis. 

3 -erythrasma. 4 -leprosy. 

5 -carbuncle.19)   Tick the correct statement-:

1 -postherpetic neuralgia follows chicken pox.2-glomuronephritis never complicates impetigo. 

3-erythema multiforme and stevens Johnson syndrome,  may follows herpes simplex and mycoplasma infections.

4-nasal and perineal carriage of staph, Aureus have no relation with recurrent furunculosis. 

5-erythematous lesion in the groin is never caused by tinea cruris, erythrasma, intertrigo, or seborrheic ddermatitis.

   

20)   All are true except-:1 -pediculosis corporis louse lives in clothes,that need to be boiled  ironed and

treated with pediculoside.2 -norwegian scabies = crusted scabies, affects those with down syndrome and

immunosupressed, pts.3 -the main side effects of ketoconazole, is hepatitis. 

4 -polymorphism is never a manifestation of scabies or chicken pox. 5 -pretibial myxedema may accompany thyrotoxicosis

21)   Tick the correct statement-:  1 -erythrasma is fungal infection. 

2 -tuberculin ,trychophytin, leishmanin, and lepromin  , tests help dermatologist in diagnosis

3 -angioedema follows heart and liver failure.4 -complications of viral infections never include ataxia,facial palsy,blind

eye,pneumonia ,cancer cervix , Kaposisarcoma , and oral hairy leukoplakia.5 -aspermia means no sperms in ejaculate.

   ) All the following are true except:1-crusted deep seated impetigo is called echthyma2-herpes simplex infection usually causes recurrent herpes zoster.3-orph  is  viral infection.4-eczema herpeticum=Kaposi varicilliform eruption sometimes occurs in atopic dermatitis pts /When got herpes simplex.5-gonorrhea is due to bacteria.  

 2) All these statements are wrong except:  1-palms and soles contain numerous sebaceous glands.  2-paste is cream with powder.   3-tinea incognito is maltreated tinea with steroids.      4-herpes zoster never comes if pt. has had chicken pox            before.  5-griseoofulvin is effective in tinea=pityryasis versicolor.    3) one of these statements is true: 1- kerion is nonfungal infection2- pityriasis versicolor is an itchy verrucous, skin disease.3- sycosis barbae is psychosomatic disorder.4- leishmaniasis is treated with antimony compounds and cryotherapy. 5- lupus vulgaris is treated with griseofulvin and ketoconazole.4) All the following are infectious diseases except: 1- majouchi granuloma. 2- leprosy. 3- psoriasis.4- impetigo. 5- pediculosis.

5) All are untrue except: 1- pneumonia ,ataxia,herpes zoster and eczematization are never a complications of chicken pox.    2- furuncle means confluent and fused carbuncles. 3- eczema herpeticum is considered a complication of herpes simplex in atopics. 4- tinea paedis is never  complicated with cellulitis or erysepilas. 5-comedone,iris=target lesion,scutulum, patch, bulla, burrow, petichea, are classified as secondary skin lesions

6) All the following are true except:

 1- molluscum contagiousum, impetigo, scabies are highly infectious diseases. 2- ointments are non greasy, best used in acute dermatitis. 3- ramsy hunt syndrome causes facial palsy and tinnitus, its  2ry to varicella zoster virus, inducing facial zoster. 4- erysepelas is more superficial infection than cellulitis. 5- tzank smear, woods light,trichophytin test, diascopy, koh test, help dermatologist in diagnosis of skin diseases.

7) All the following are wrong except:1- verruca plana=flat warts are common in genital area and soles 2- eczema herpeticum is complication of urticaria. 3- chicken pox may cause ataxia 2ry to encephalitis 4- syphilis is mycotic infection5- herpes zoster comes ,only,  if patient previously have had herpes simplex.

8) All are true except:1-    herpes simplex and mycoplasma are common cause of erythema multiforme minor and major=stevens Johnson syndrome.2-    sycosis barbae is psychic trouble.3-    1ry lesion of favus is scutulum.4-    polymorphism occurs in chicken pox and scabies,5-    gel is transparent compounds,,used in hairy areas.

9) All are incorrect, except:1- crusts are never seen in impetigo.2- molluscum contagiosum is fungal disease.3- epidermis is avascular .4- stratum lucidum is absent in palms and soles.5- condyloma lata is viral infection.   10) All these statements are true except:1-chancre is bacterial infection.2-ramsy-hunt syndrome is complication of herpes zoster .3-griseofulvin is treatment of choice for candidiasis and pityriasis versicolor. 4-shingles=herpes zoster patients may infect their children with chicken pox.