Dermatology

Question 1

What are the three layers of the skin? From top to bottom

Answer 1

Epidermis
Dermis
Subdermal layer

Question 2

The epidermis then has 4 layers of its own. What are they from top to bottom?

Answer 2

Stratum corneum
Stratum granulosum
Stratum spinosum
Basement membrane

Question 3

The epidermis is made up of 4 different cells. What are they?

Answer 3

• Merkel cell
• Melanocytes
• Langerhans cells
• Keratinocytes (everything else)

Question 4

The dermis is the _______ and most _____est layer out of all three.

Answer 4

middle

thick

Question 5

What kind of cells is the dermis made up of?

Answer 5

Fibroblast cells

Question 6

What layer are fibroblast cells found in and what are its function?

Answer 6

Dermis layer (middle and most thickest)
Produce collagen (structural support)
Produce elastin (elasticity)

Question 7

Structure of subdermal?

Answer 7

It is a layer of fat connected to muscles and bones by connective tissue ‘pegs’

Question 8

What layer are fats found in and what are the functions of it?

Answer 8

Subdermal

• Nourishment
• Insulation
• Padding

Question 9

Vitiligo is a skin condition that occurs when

Answer 9

there are a lack of functional melanocytes

Question 10

What are some functions of the skin?

Answer 10

• Control fluid loss
• Vitamin D production
• Protective barrier against environment
• Thermo-regulation
• Emotional expression
• Sensation

Question 11

What is the impact of skin conditions?

Answer 11

• Not usually life threatening
• Linked with depression, suicide ideation and anxiety
• Can cause other psychosomatic symptoms: embarrassment, shame, low self esteem, social inhibition and self-confidence

Question 12

A skin problem is the fourth most common
reason for consultations in primary care.
70% of consultations arise from seven conditions which are:

Answer 12

1. Acne
2. Eczema
3. Psoriasis
4. Viral warts and other skin infections
5. Vascular lesions
6. Leg ulcers
7. Tumours