Dermatology

Question 1

Acne Treatment

Answer 1

1. Benzyl peroxide gel
2. Topical antibiotics - clindamycin gel / erythromycin gel
3. Tazarotene gel
4. Oral tetracyclines (doxycycline / minocycline)
5. Anti-androgen (oral co-cyprindiol)

Question 2

Psoriasis - Types

Answer 2

1. Flexural
2. Guttate (raindrop)
3. Palmoplantar
4. Chronic plaque

Question 3

Psoriasis - Treatment

Answer 3

1. Emollients (E45)
2. Topical vit D analogues
   (calcipotriol)
3. Topical corticosteroids
   (hydrocortisone)
4. Topical retinoids
   (tazarotene gel)
5. DMARDS
   - Oral methotrexate
   - W folic acid supplements

Question 4

Infliximab

Answer 4

• If systemic therapy for psoriasis failed

- Anti-TNF biologics

Question 5

Venous ulcers - Definition

Answer 5

Loss of skin below knee on leg or foot that takes more than 2 weeks to heal
- Medial gaiter region

Question 6

Epidermis cell types

Answer 6

1. Keratinocytes
(produce keratin)
2. Langerhans
(Present antigens and activate T cells)
3. Melanocytes
(produce melanin)
4. Merkel cells
(specialised nerve endings for sensation)

Question 7

Dermis components

Answer 7

1. Meissner’s corpuscle
   (light touch)
2. Pacinian corpuscle
   (coarse touch + vibration)