Pass Med Q's

Question 1

cell most involved in pathogenesis of urticaria

Answer 1

mast cells

Question 2

treatment lichen planus

Answer 2

potent topical steroids

Question 3

treatment for scabies

Answer 3

permethrin cream

Question 4

treatment itch in CKD

Answer 4

UVB phototherapy

Question 5

describe the 6 skin types

Answer 5

Question 6

investigation of suspected fungal nail

Answer 6

nail clippings

Question 7

treatment of viral warts

Answer 7

cryotherapy

Question 8

most common vein affected by superficial thrombophlebitis?

what is the treatment?

Answer 8

long saphenous

topical anti-inflammatory

Question 9

what is erysipelas?

what causes it?

Answer 9

superficial cellulitis - raised, well defined erythema

caused by group A strep

Question 10

what are actinic keratoses

Answer 10

pre-malignant SCC lesions

• thick, rough, scaly, red, yellow lesions on sun exposed sites

Question 11

treatment of actinic keratoses

Answer 11

cryotherapy

5 fluoruracil

diclofenac if very mild

Question 12

what skin lesions can display koebner phenomenon

Answer 12

koebner = lesions at site of injury

psoriasis

vitiligo

lichen planus / lichen sclerosus

molluscum

warts

Question 13

what is hidradenitis suppuratina

Answer 13

inflammatory nodules, pustules and sinus tracts + scares in areas rich in apocrine glands e.g. axillae, groin

associated with obesity

Question 14

complications of hidradenitis

Answer 14

sinus tracts / fistulas

scars - rope like bands

lymphatic obstruction

Question 15

management of hidradenitis

Answer 15

loose clothing + hygeine measures

weight loss

smoking cessation

acute: steroids / flucloxacillin, incision + drainage
chronic: topical clindamycin / oral lymecycline

Question 16

what is a marjolins ulcer

Answer 16

SCC in an area of chronic inflammation

Question 17

well demarcated area of hair loss with exclamation mark hairs

Answer 17

allopecia areata

Question 18

who gets lentigo maligna

Answer 18

older people, chronically sun exposed sites

Question 19

who gets superficial spreading

Answer 19

younger people on legs, arms, back and chest

Question 20

presentation lichen sclerosus

what is the tx?

Answer 20

itchy white spots on vulva, elderly lady

emollients + topical steroids

Question 21

presentation of pityriasis rosea

Answer 21

maybe preceeded by viral infection

herald patch – single oval patch that precedes developement of widespread red scaly oval patches

• self limiting

Question 22

tear drop scaly papules

Answer 22

guttate psoriasis - triggered by strep throat

Question 23

telangectasia over mouth + epistaxis

Answer 23

hereditary haemorrhagic telangectasia

Question 24

TEN

Answer 24

toxic epidermal necrolysis

• affects mucus membranes
• nikolsy sign +Ve

phenytoin, allopurinol

Tx: IV immunoglobulins, NSAIDS, penicillins

Question 25

orange peel skin

Answer 25

pretibial myxodema

• Graves

Question 26

shiny waxy yellow skin with telangectasia

Answer 26

necrobiosis lipoidica

• diabetes

Question 27

1st line for hyperhidrosis

Answer 27

topical aluminium chloride

Question 28

1st line managment of impetigo if limited localised disease

Answer 28

hydrogen peroxide

Question 29

what things can cause spider naevi

Answer 29

liver disease

pregnancy

combined pill

Question 30

what causes eczema herpeticum

how is it treated

Answer 30

HSV

IV aciclovir

Question 31

what is pellagra

Answer 31

vit D3 deficiency

• isoniazid can cause it
• diarrhoea, dermatitis, dementia

Question 32

when should IV fluids be given for burns

Answer 32

in 2nd + 3rd degree that cover 15% of body area or more

Question 33

keratoderma blenorrhagia

Answer 33

waxy yellow papules on palms + soles seen in reiters syndrome

Question 34

where is the split in bullous impetigo

Answer 34

granular layer

Question 35

what psych drug can exacerbate psoriasis

Answer 35

lithium

Question 36

what type of hypersensitivity is nickel reaction

Answer 36

type 4 - patch test