Dermatology

Question 1

What is meant by comedones?

Answer 1

Blackheads/whiteheads

Question 2

Name a disorder of the pilosebacuous apparatus?

Answer 2

Acne vulgaris

Question 3

What medication is used to treat acne vulgaris?

Answer 3

Vitamin A analogue

Question 4

Define, redness of the skin caused by injury or other inflammation.

Answer 4

Erythema

Question 5

Define, a condition characterised by dilatation of the capillaries, causing them to appear as little red or purple clusters.

Answer 5

Telangiectasia

Question 6

What is blepharitis?

Answer 6

Where the edges of your eyelids become red and swollen

Question 7

What skin condition may be triggered by spicy foods, alcohol, stress, temperature change or sunlight?

Answer 7

Acne rosacea

Question 8

What is the common condition that manifests as an itchy red papules around the mouth, nose and eyes?

Answer 8

Periorifacial dermatitis

Question 9

What treatment would worsen periorificial dermatitis?

Answer 9

Steroid creams

Question 10

What bacteria causes impetigo?

Answer 10

Staphylococci or streptococci

Question 11

What bacterial skin infection is contagious, presents with exudate and yellow crusting and may blister?

Answer 11

Impetigo

Question 12

What bacterial skin infection may cause glomerulonephritis?

Answer 12

Impetigo

Question 13

What medication should be used to treat impetigo, furunculosis and erysipelas?

Answer 13

Antibiotics

Question 14

What is the bacterial skin infection characterised by pustular infection of the hair follicle?

Answer 14

Furunculosis

Question 15

What bacteria is usually the cause of furunculosis?

Answer 15

Staph Aureus

Question 16

What systemic condition could be underlying if an individual has recurring furunculosis infection?

Answer 16

Diabetes

Question 17

What bacterial skin infection is a form of cellulitis, which is red and has a sharp line of demarcation?

Answer 17

Erysipelas

Question 18

Name three bacterial skin infections?

Answer 18

1. Impetigo
2. Furunculosis
3. Erysipelas

Question 19

What do plane warts look like?

Answer 19

Flat and very difficult to see

Question 20

Name five viral skin infections

Answer 20

1. Viral warts
2. Molluscum contagiosum
3. Herpes simplex
4. Herpes zoster
5. Hand,foot and mouth

Question 21

What are the two available treatments for viral warts?

Answer 21

• do nothing, they may resolve spontaneously
• gentle cryotherapy

Question 22

What virus causes viral warts?

Answer 22

Human papilloma virus

Question 23

What viral skin infection is caused by DNA pox virus?

Answer 23

Molluscum contagiosum

Question 24

Molluscum contagiousm papules are described as umbilicated. What does this mean?

Answer 24

Depressed in the centre

Question 25

If an adult gets warts recurrently, what might this suggest is underlying systemically?

Answer 25

An autoimmune condition

Question 26

What types of her herpes simplex usually presents as facial lesions?

Answer 26

Herpes simplex type 1

Question 27

What is the primary presentation of herpes simplex virus in children?

Answer 27

- acute gingivostomatitis - malaise - fever

Question 28

What factors could trigger recurrence of herpes simplex virus?

Answer 28

- ultraviolet - menstruation - stress

Question 29

What condition can occur as a result of herpes simplex virus, in patients with atopic dermatitis?

Answer 29

Eczema herpeticum

Question 30

What is the appearance of eczema herpeticum?

Answer 30

Haemorrhagic appearance, lots of tiny dark purple papules

Question 31

What is the treatment for eczema herpeticum?

Answer 31

IV antibiotics

Question 32

What is the common name for herpes zoster?

Answer 32

Shingles

Question 33

What condition is characterised by reactivation of chicken pox virus in dorsal root ganglion?

Answer 33

Herpes zoster (shingles)

Question 34

What individuals are more likely to get shingles?-

Answer 34

- elderly - immunosupressed

Question 35

Is herpes zoster, unilateral or bilateral in eruption?

Answer 35

Unilateral

Question 36

What virus causes viral hand,foot and mouth?

Answer 36

Coxsackie A virus

Question 37

Describe the presentation of hand foot and mouth syndrome?

Answer 37

- Vesicles with red halo on hands and feet - erosions on mouth

Question 38

What is the treatment for a dermatophyte?

Answer 38

Topical +/- systemic antifungals

Question 39

What is the presentation of acute eczema?

Answer 39

Red, swollen, pigmented, thickened, accentuated skin markings

Question 40

What is the presentation of chronic eczema?

Answer 40

Scaly, pigmented, thickened, accentuated skin markings

Question 41

What often triggers acute eczema?

Answer 41

Heat

Question 42

Give two examples of endogenous eczema?

Answer 42

1. Atopic eczema 2. Seborrhoeic eczema

Question 43

Give three examples of exogenous eczema?

Answer 43

1. Contact dermatitis 2. Irritant contact dermatitis 3. Photo contact dermatitis

Question 44

Define, a genetic predisposition to develop eczema, asthma and/hayfever?

Answer 44

Atopy

Question 45

Define, inflammation of the skin.

Answer 45

Dermatitis

Question 46

What are the two types of contact dermatitis?

Answer 46

1. Irritant contact dermatitis 2. Allergic contact dermatitis

Question 47

What are the three types of irritant contact dermatitis?

Answer 47

1. Subjective 2. Acute 3. Chronic cumulative

Question 48

What type of irritant dermatitis is described: Idiosyncratic stinging within minutes of contact to common cosmetics or sunscreen constituents

Answer 48

Subjective

Question 49

What type of irritant dermatitis is described: Repetitive exposure to weaker “wet” or “dry” irritants.

Answer 49

Chronic cumulative

Question 50

What type of irritant dermatitis is described: Single overwhelming exposure or a few brief exposures to string irritants or causative agents.

Answer 50

Acute

Question 51

What are the two phases of allergic contact dermatitis?

Answer 51

Sensitisation and elicitation

Question 52

What investigation is required for allergic contact dermatitis?

Answer 52

Patch testing

Question 53

Give three examples of medications that can cause photodermatitis?

Answer 53

1. Diuretics 2. NSAIDs 3. Antibiotics

Question 54

What skin condition is chronic, non-inflammatory, well demarcated, with scales plaques?

Answer 54

Psoriasis

Question 55

What is the termed used to describe pre-cancerous scaly lesions on sun damaged skin?

Answer 55

Actinic keratoses

Question 56

What disease should be considered as SCC in situ, presenting as a thickened area of skin, usually on sun exposed areas?

Answer 56

Bowens disease

Question 57

What does a melanoma look like?

Answer 57

Irregular pigmentation and irregular edges

Question 58

What is another name for actinic keratoses?

Answer 58

Solar keratosis