Dermatology OSCE

1) Which of the following isn’t of skin function:

- Vitamin E metabolism*

- Vitamin D synthesis

- Barrier to chemicals

- Sensation

2) Which of the following couple is correct:

- Langerhans Cells: Sensation

- Mast cell: immune response *

- Fibroblasts: Melanogenesis

3) Which of the following is true about Guttate Psoriasis:

- Triggered by staphylococcal tonsillitis

- Many small round red macules, without overlying scale

- Clears within 2 weeks

- May develop plaque psoriasis later*

- Doesn’t response to phototherapy

4) Not differential for Hypopegmintation:

- Vitiligo

- Petresia Versicolor

- Melasma*

5) What is the most likely diagnosis:

- Psoriasis

- Lichen planes

- Eczema

- Urticaria*

Doctor of this course

Dr.Hannah Nassan

6) Safest Drug for pregnant lady with Acne:

- Topical salicylic acid (even tho some Dr. says it’s safe but we don’t like to give it)

- Topical erythromycin*

- Tetracycline

- Trimethoprim

- Co-cyprindiol

7) What is your diagnosis for the lesion in 70 years old woman?

- Bullous Pemphigoid

8) What is your diagnosis for this lesion that develop in elderly man on his

face?

- Seborrheic keratosis

9) Which of the following doesn’t induce Erythema nodosum:

- Pregnancy

- Chest TB infection

- Bladder cancer

- Systemic lupus erythematosus*

10) A man with itchy scaly patches on scalp, forehead, nasolabial folds, and

eyebrows with dandruff. Most likely diagnosis?

- Seborrheic dermatitis

11) Papulo-pustular rash in 37 y/o women increased with spicy food. Has

fixed cheekd erythema and telangectasias . most likely diagnosis is:

- Rosacea

12) Mother with a kid in KG had itchy head, she told you that also there are 3

of his friends in school are itching too. It’s most likely?

- scabies

- scalp lice*

- body lice

13) Eczema pt. showed no response to steroids and emollients. Which of the

following is not a choices in manage the pt.:

- Emollient Ointment

- Wet wrap dressings

- Topical Tacrolimus

- Oral Tacrolimus *

- Phototherapy

14) Which of the following isn’t side effect of Isotretinoin:

- loss of night vision

- hepatotoxicity,

- muscle atrophy *

- dry nose

15) A teenager girl with irregular patches of hair loss were residual broken

hairs seen in it. What is the most likely diagnosis?

- Trichotillomania*

- Alopecia Areata

- Telogen effluvium

16) One of the following isn’t true about Erythroderma:

- It >90% body surface area affected

- The fever is always secondary to infection*

- 40% idiopathic

- Many idiopathic turn out to be due to MF/CTCL

17) What is the best treatment you would give to pt. with Ichthyosis Vulgaris?

- Emollients

18) Which of the following isn’t true about Skin Surgery:

- Curettage can be used for Benign or precancerous lesions

- Shave excision can be used for malignant lesions*

________________________

Q1: Safest Drug for pregnant lady?

- Topical salicylic acid

- Topical erythromycin***

- Tetracycline

- Ciclosporin

Q2:

Ans: Seborrheic keratosis

Q3: A man with itchy scaly patches on scalp and over eyebrows with dandruff?

Ans: Seborrheic dermatitis

Q4:

Ans: Bullous vulgaris

Q5: Not differential for Hypopegmintation?

- Vitiligo

- Petresia Versicolor

- Melasma**

Q6)

Ans: Pityriasis rosea

Q7: Papulo-pustular rash in women increased with spicy food?

Ans: Rosecea

Q8: Kid in KG had itchy head, other his 3 mates are itching too?

- scabies

- body lice

- scalp lice**

________________________

________________________

**Causing urticaria except?

- Acute urticarial

- chronic urticarial

- peanut allergy type 1

- ACE inhibitor

**Not worsen psoriadis?

- Sunlight

- ACE

**THE COMMONEST Side effect of isotertine

- Dry skin

- Depression

- Hyperlipidemia

- Loss pt night vision

**Pt with nodular lesion in scalp with mets to lymph node

- squamous cell carcinoma

**Most common cause of recurrent erythema multiform

- herpes simplex

**The commonest drug for atopic eczema

- Emollient

- Steroids

- Antihistamine

**All of them may become melanoma except

- Hairy nevus

**Correct Matching

- alopecia areata: autoimmune

- Telogen effulvium: autoimmune

- Kerion: bacterial

**Correct Matching

- Tissue transgluminase: dermatitis herparpatiformis

- Bullous pemphigoid: BP 230 and 180

**Which of the following caused by virus

- Eczema herpeticum

**Correct answer

- Shaving excision for benign lesion

**Not suitable for precancerous lesion treatment

- Surgical excision

- Imiqimoid

- 5-fu

**Which is the largest

- Purpra

- Ecchmosis

- Petichea

- Hematoma

**not differential diagnosis for hyperpigmentation

- Melasma

- Vitiligo

- Post inflammatory pigmentation

** 2 symptoms of nail psoriasis?

** Student who has exam after 2 months he develop hair loss? Telogen

efflavum

** Picture for rosacea

** Case about seborrheic dermatitis

** Mcq about the difference btw cellulitis and erysipelas

**2 Nail signs of lichen planus? Longitudinal ridging, ptyregium

**What is wrong about bollous pemphigoid?

Intraepidermal deposition of IgG

**Which of following not fungal

- Tenia corporis

- Kerion

- Eczema herpticum

**pic of urtecaria

**pt has eczema not responding to topical steroids or emollient which of

following not subtitle option

- Warm dressing

- Ointment emollient

- Phototherapy

- Oral tacrolimus **

- Topical tacrolimus

**Nurse with papule and skin lesions, pustule... Accept that the cause this

lesion

Diagnosis...Acne excoriee

**Pic and diagnosis of rhinophyma

**Pic and diagnosis of seborrheic dermatitis

**Which of following not treated by shaved excision...

- Malignant lesions

**Which is smaller...

- Papule

**Which true

- IgG to desmoglobin 1.... pemphigus vulgaris

**First drug in management of eczema

- emollient

**Which is wrong

- Acne can only treated by isotretinoin

**Which is true regarding management of psoriasis..

- Vit-d decrease epidermal proliferation

**Case of lichen planus and diagnosis

** False regarding phototherapy

________________________

1.latgest organ of BODY :

- SKIN

2. One of The following is function of skin:

- Vit. D synthesis

3.true regarding urticaria :

- Acute cases associated With infection

4.Which is wrong regarding mole assessment:

- B.... brown.

5.Which true :

- IgG to desmoglobin 1.... pemphigus vulgaris

6. Wrong about isotretoin?

7.not fungal infection :

- Eczema Herpiticum

8.correct one :

- Mast cell -- immune

9. Diarrhea With skin rash:

- Dermatitis herpitiformis

10. Not differntial dx for hypopigmentation :

- Melasma

11.case for : sebohrric dermatitis

12. Nurse... Non healing ulcer..healed after 4 w

اشي زي هيك

- Neuorogenic excoration

12.pic for scabies

13.pic for seborhric keratosis

15. Kid in kG..with Itchy head:

- Head lice

16. Case for rosacea

17. pt has eczema not responding to topical steroids or emollient which of

following not subtitle option :

- Oral tacrolimus

18. True about guttate psoriasis :

It can complicate to plaque psoriasis

19. Not cause psoriasis Risk factor:

Staph infection

20. Not associate With erythema nodosum :

L. E

________________________

Q1) Test done for this case?

- Biopsy

- Culture

- Patch test *

Q2) Diagnosis?

- Psoriasis

- Tenia coroporis

- Eczema

- Impetigo **

Q3) Diagnosis?

- BSC

Q4) Incorrect?

- fibroblasts in dermoepidermal junction

Q5) True in psoriasis?

- kobner phenomenon occur

Q6)Case for pt with mouth lesion and in volar aspect of the hand ;

Violate and flat topped papules?

- Lichen planus

Q7) Matching ;

- Chrome & cement

- Nikle &. coine

- Topical steroid & tixocortol

- Glue & colophony

Q8) Best managment in icthyosis vulgaris?

- Emollients

Q9) Cause of erythema multiforme?

- TB

- Mycoplasma **

Q10) True for urticaria?

- Acute urticaria associated with infection

Q11) Female patient with localized scarring alopecia & (plaque with follicular

plugging).what is the Cause?

- Trichtillomania

- Allopecia arratea

- Telogen effluvium

- Disoid le **

Q12) True ;

- Risk of melanoma in congenital naevi >20cm

“Live, Laugh, wear Sunscreen”

Collected by: Ahmad Al-Masri

Good Luck