3 - The skin, hair and nails

Question 1

Major Functions of the skin

Answer 1

Heat regulation, sensation, protection, excretion, secretion, synthesis of vitamin d

Question 2

Minor functions of the skin

Answer 2

Immunity, blood reservoir communication

Question 3

What does dermatology mean?

Answer 3

The study of the skin

Question 4

What is skin?

Answer 4

Cutaneous membrane. 1: epidermis layer. 2:dermis layer.

Question 5

How many sub layers is the epidermis layer made of?

Answer 5

5

Question 6

How many sun layers is the dermis layer made of ?

Answer 6

2

Question 7

Names of the 2 dermis layers

Answer 7

Papillary layer ; nipple shaped projections

Reticular layer; varying thickness of the skin

Question 8

Name the 5 layers of the epidermis layer ?

Stratum ….

Answer 8

Stratum Corneum
Stratum lucidum 
Stratum granulosm 
Stratum spinosum 
Stratum basale

Question 9

Lanugo

Answer 9

Soft hair ; found in foetus 3rd to 8th month

Question 10

Vellus hair type

Answer 10

Soft and downy; everywhere on the body except eyelid, palm of hands, lips and nipples

Question 11

Terminal hair type

Answer 11

Long, coarse ; found on head, eyebrows, eyelashes, armpits and Punic area

Question 12

Germinal Matrix

Question 13

Nail bed

Question 14

Cuticle

Question 15

Eponychium

Question 16

Nail plate

Question 17

Free edge

Question 18

Nail groove

Question 19

Nail mantle

Question 20

Lunula

Question 21

Hyponychium

Question 22

Nail wall

Question 23

Sebaceous gland is?

Answer 23

Secretes sebum aka oily glands. Acts as Lubricant for hair and skin

Question 24

Sudoriferous glands

Answer 24

Excrete sweat onto the surface of the skin.

Question 25

Pterygium

Answer 25

Overgrowth of the cuticle

Question 26

Onychophagy

Answer 26

Nail biting

Question 27

Onychocryptosis

Answer 27

Ingrowing nail

Question 28

Leuconychia

Answer 28

White nails or white spots on nail

Question 29

Koilonychia

Answer 29

Spoon nail

Question 30

Varicella

Answer 30

Chickenpox

Question 31

Rubeola

Answer 31

Measles

Question 32

Herpes zoster

Answer 32

Shingles

Question 33

Herpes simplex

Answer 33

Cold sore

Question 34

Comedones

Answer 34

Blackheads

Question 35

Erythema

Answer 35

Redness of the skin

Question 36

Ephelides

Answer 36

Freckles

Question 37

Tinea corporis

Answer 37

Ring worm

Question 38

Tinea

Answer 38

Ringworm

Question 39

Pediculosis

Answer 39

Lice

Question 40

Capitis

Answer 40

Scalp or head

Question 41

Corporis

Answer 41

Body

Question 42

Pedis

Answer 42

foot

Question 43

Candidiasis

Answer 43

Thrush or yeast infection

Question 44

Hordeolum

Answer 44

Stye

Question 45

Urticaria

Answer 45

Hives or nettle rash

Question 46

What is the Papillary layer composed of?

Answer 46

Areolar connective tissue, fine elastic fibres nipple shaped finger like projections called papillae. Loops of capillaries

Question 47

What is the reticular layer made of ?

Answer 47

Connective tissue, bundles of collagen and elastic fibres.
Hair follicles 
Nerve endings 
Oil glands 
Ducts of sweat glands 
Adipose tissue.

Question 48

Pathologies of skin hair and nails

Answer 48

Check screen shots for all

Question 49

Cycle of hair

Answer 49

Anagen: hair thickens
Catagen: hair roots start degenerating
Telogen: hair growth stops or rests
Early - anagen : hair sheds or falls out and new hair grows.