Skin And Its Appendages

Question 1

What is a skin graft?

Answer 1

A skin part that is cut of from it’s own blood supply.
Used in surgical procedures to cover up defects in other part of the body

Question 2

Functions of skin include

Answer 2

Sensation
Water homeostasis
Protection against external invasion
Temperature regulation
Drug metabolism
Vit D metabolism
Aesthetic function

Question 3

The skin weighs approx …..

Answer 3

4 kg

Question 4

The skin covers ………. surface area

Answer 4

2m^2

Question 5

The epidermis develops from …….

Answer 5

Surface ectoderm

Question 6

The dermis develops from…….

Answer 6

Underlying mesenchyme

Question 7

The hypodermis is divided into

Answer 7

Papillary layer
Vesicular layer

Question 8

The only layer found in thick skin is
…..

Answer 8

Stratum lucidum

Question 9

The layers of the epidermis include

Answer 9

Stratum corneum
Stratum lucidum
Stratum granulosum
Stratum spinosum
Stratum basalis

Question 10

The receptor found in the epidermis is

Answer 10

Merkel’s disc

Question 11

The receptor found in the dermis layer is ……

Answer 11

Meissner’s corpuscles and free nerve endings

Question 12

The epidermis of the thin skin in the armpit region contains

Answer 12

Apocrine gland

Question 13

The thinnest skin is found in

Answer 13

Eye lid- 0.1mmm
Thickest- sole 1 mm

Question 14

The muscle that attaches to the the hair follicle is …….

Answer 14

Arrector pilli muscle

Question 15

The anagen and talogen phase lasts …..

Answer 15

3-5 years anagen
3 months talogen

Question 16

The anagen and talogen phase lasts …..

Answer 16

3-5 years anagen
3 months talogen

Question 17

The skin weighs approx………

Answer 17

4 kg

Question 18

The skin covers ……… area

Answer 18

2m^2