Dermatology

Question 1

State the layers of the skin (epidermis)

Answer 1

Keratin
Granular
Prickle cell
Basal

Question 2

Test completed for hypersensitivity type I

Answer 2

IgE levels

Question 3

Test for type IV hypersensitivity

Answer 3

Patch test

Question 4

Type of genetic defect for tuberose sclerosis

Answer 4

Autosomal dominant

Question 5

State the depth level Breslow’s thickness reaches

Answer 5

Granular layer to the deepest melanoma cell

Question 6

Skin condition that occurs on FLEXURES

Answer 6

Eczema

Question 7

Skin condition that occurs on EXTENSORS and affects joints +/- nail changes

Answer 7

Psoriasis

Question 8

What do you use to measure dysplastic naevi?

Answer 8

Breslow’s thickness

Question 9

Old man + half of face affected by skin lesion *usually trigeminal nerve dermatome

Answer 9

Shingles

Question 10

“Stuck on appearance”

Answer 10

Basal cell papilloma(Seborrheic keratosis)

Question 11

“Picket fence pearly border”

Answer 11

Basal cell carcinoma

Question 12

Condition linked with dermatitis herpetiformis

Answer 12

Coeliac disease

Question 13

Skin condition that commonly occurs in sarcoidosis, ulcerative colitis and TB

Answer 13

Erythema nodosum

Question 14

Name the lesions that occur in Lyme disease

Answer 14

“Erythematous Bullseye lesion” (Erythema migrans)

Question 15

Ash leaf spots/shagreen patches

Answer 15

Tuberous sclerosis

Question 16

Honey coloured crust on face

Answer 16

Impetigo (caused by staphylococcus aureus or group A haemolytic strep)`

Question 17

Café au lait spots

Answer 17

Neurofibromatosis Type 1 or Type 2

Question 18

Silver scales on extensor surfaces

Answer 18

Psoriasis

Question 19

Cauliflower appearance

Answer 19

Plantar warts

Question 20

Sarcoma likely to occur in those with HIV and immunosuppressed (transplant)

Answer 20

Kaposi’s sarcoma

Question 21

Intense erythema on cheeks (and proximal limbs of a child)

Answer 21

Slapped cheek (caused by [erythrovirus] Parvovirus B19

Question 22

Small, umbilicated, translucent papules that look fluid filled but are solid

Answer 22

Molluscum contagiosum

Question 23

Flaccid blisters that can be burst easily to form erythematous erosions

Answer 23

Pemphigus Vulgaris

Question 24

Large tense bullae that are itchy and cannot be burst

Answer 24

Bullous Pemphigoid

Question 25

Heliotrope rash and scaly knuckles

Answer 25

Dermatomyositis

Question 26

"Fish scale skin"

Answer 26

Ichthyosis

Question 27

Velvety thickened lesions in axillae

Answer 27

Acanthosis nigricans

Question 28

Target lesion

Answer 28

Erythema multiforme

Question 29

Small, keratin filled cysts that typically appear around the face + more common in neonates

Answer 29

Milia

Question 30

Is Osler-Webber-Rendu syndrome/Hereditary haemorrhagic telangiectasia (HHT) autosomal dominant or recessive?

Answer 30

Autosomal dominant

Question 31

Type of hypersensitivity reaction caused by scabies

Answer 31

Type IV (delayed hypersensitivity)

Question 32

How many days after infection does scabies occur?

Answer 32

30

Question 33

How long is continued itching post eradication of scabies still considered normal for?

Answer 33

4-6 weeks

Question 34

"Melanoma in situ"

Answer 34

Lentigo maligna

Question 35

Type of hypersensitivity reaction caused by erythema multiforme

Answer 35

Type IV (delayed hypersensitivity)

Question 36

Type of transplant patient at increased risk of Squamous Cell Carcinoma

Answer 36

Renal transplant

Question 37

Skin condition associated with Chron's

Answer 37

Pyoderma gangrenosum

Question 38

Open and closed comedomes + pustules + nodules

Answer 38

Acne vulgaris

Question 39

1st line treatment for aggressive fungal infection

Answer 39

Oral terbinafine

Question 40

Antibody associated with coeliac disease

Answer 40

Anti-tissue transglutaminase antibody (anti-TTG)

Question 41

State the burn classification: Red and painful

Answer 41

Superficial epidermal burn

Question 42

State the burn classification: pale pink, painful and blistered

Answer 42

Partial thickness (superficial dermal) burn

Question 43

State the burn classification: Typically white, but may have patches of non blanching erythema + reduced sensation

Answer 43

Partial thickness (deep dermal) burn

Question 44

State the burn classification: White/brown/black in colour + no blisters + no pain

Answer 44

Full thickness burn

Question 45

Treatment of choice for impetigo

Answer 45

Topical fuscidic acid

Question 46

Yeast associated with Pityriasis versicolor

Answer 46

Malassezia

Question 47

Purple, pruritic, popular, polygonal rash on flexor surfaces, Wickham's striae over surface oral involvement common

Answer 47

Lichen planus

Question 48

Type of infection that can precipitate psoriasis

Answer 48

Stre

Question 49

Type of infection that can precipitate psoriasis

Answer 49

Streptococcal throat infection (may especially precipitate guttate psoriasis)

Question 50

Structure targeted by pemphigus antibodies

Answer 50

Desmosomes that connect the cells

Question 51

State the most aggressive subtype of melanoma

Answer 51

Nodular melanoma

Question 52

"Black or red lump that oozes or bleeds located in a sun-exposed area"

Answer 52

Nodular melanoma

Question 53

What is the most significant complication of PUVA therapy ?

Answer 53

Squamous cell carcinoma

Question 54

What does SSSS (staphylococcal scalded skin syndrome) spar ?

Answer 54

Mucous membranes

Question 55

Type of reaction associated with codeine, aspirin and ACE inhibitors

Answer 55

Urticaria | Causing pink, itchy wheals

Question 56

Drugs associated with the side effect of photosensitivity

Answer 56

Doxycycline, Bendroflumethiazide and NSAIDs