Pastest Derm

Question 1

Which classes of drugs are associated with Toxic epidermal necrolysis

Answer 1

Penicillins, NSAID’s, Steroids

Question 2

Which DMARD can cause Toxic epidermal necrolysis

Answer 2

Methotrexate

Question 3

Which Uricosuric drug can cause Toxic epidermal necrolysis

Answer 3

Allopurinol

Question 4

Is Nikolsky’s sign negative or positive for Toxic epidermal necrolysis

Answer 4

Positive

Question 5

What is Lupus Pernio and what disease is it pathognomic of

Answer 5

Large purple infiltrated nodules & plaque-like lesions on nose, cheeks, ears fingers and toes.
Pathognomic of Chronic Sarcoidosis

Question 6

What is the most common cutaneous manifestation of TB

Answer 6

Lupus Vulgaris

Question 7

What sort of infiltration will be seen in Lupus Vulgaris

Answer 7

Granulomatous

Question 8

Which race is Pemphigus Vulgaris more common in

Answer 8

Jewish people

Question 9

What smear is used for Pemphigus Vulgaris

Answer 9

Tzanck smear

Question 10

What kind of nuclei will the acantholytic keratinocytes have in Pemphigus Vulgaris

Answer 10

Large Hyperchromatic Nuclei

Question 11

A waxy yellow patch of ulceration on shins in diabetics?

Answer 11

necrobiosis lipoidica diabeticorum

Question 12

What should you consider in a patient with Alopecia + Abnormal scalp skin

Answer 12

A possibility of Tinea Capitis

Question 13

What is the treatment for Tinea Capitis

Answer 13

Oral Terbinafine

Question 14

What is Panniculitis

Answer 14

Inflammation of subcutaneous fat e.g erythema nodosum

Question 15

Name a disease where you would see Ichthyosis

Answer 15

Sarcoidosis

Question 16

What is diagnosed using blue-green fluorescence on Wood’s light

Answer 16

Dermatophyte infection

Question 17

What drug can be given for Alopecia and how does it work

Answer 17

Minoxidil as it causes hypertrichosis

Question 18

Where on the body and in which race are keloid scars most common

Answer 18

Most frequently occur around the shoulders and chest

More common in people with darker skin

Question 19

Which porphyria doesn’t cause photosensitivity

Answer 19

Acute intermittent porphyria

Question 20

Are squamous cell carcinomas usually pigmented

Answer 20

Squamous cell carcinomas are not commonly pigmented

Question 21

What can be trialled for psoriasis if retinoid, topical steroids & phototherapy don’t work

Answer 21

Anti-TNF e.g etanercept

Question 22

What would make you think that a patient had pruritus due to iron deficiency

Answer 22

Thinning of the hair

Question 23

Which cancer can cause pruritis

Answer 23

Hodgkin’s lymphoma

Question 24

Which thyroid pathology can cause pruritis

Answer 24

Hyperthyroidism

Question 25

In Acne Vulgaris, what happens when Propionibacterium Acnes degrade sebum

Answer 25

Produce inflammatory fatty acids

Question 26

What is Acne vulgaris severity is directly related to

Answer 26

The degree of secretion of sebum

Question 27

Which cells in the epidermis make keratin

Answer 27

Basal Cells?

Question 28

Define Erythroderma

Answer 28

Any condition which causes over 90% of the skin to become inflamed, erythematous and scaly, could occur in psoriasis

Question 29

What are Koenen’s Tumours and which condition are they associated with

Answer 29

Periungal fibromas, seen in tuberous sclerosis

Question 30

What should symmetrical round lesions of eczema make you suspect

Answer 30

Nummular Dermatitis

Question 31

Which pathology tends to involve the nasolabial fold and demonstrates fine greasy scales with a pruritic erythematous rash

Answer 31

Seborrheic dermatitis

Question 32

What is Dovobet

Answer 32

A cream containing Calcitriol (vit D analogue) + Betamethasone (steroid)

Question 33

Erythema multiforme and lichen planus can be caused by which two liver conditions

Answer 33

Hep B and C

Question 34

Porphyria Cutanea Tarda can be associated with which GI condition

Answer 34

Hep C

Question 35

What diet change could exacerbate Lichen Planus

Answer 35

Spicy food

Question 36

Chronic venous ulcers associated with osteomyelitis are known as what

Answer 36

Marjolin's ulcers

Question 37

Is a Marjolin ulcer malignant

Answer 37

No but can develop into squamous cell carcinomas