Integumentary System

Question 1

The dermis is divided into two layer. Which is the thickest?

Answer 1

The reticular layer and most of the dermis.

Question 2

What happens to epithelial cell as they migrate to the surface layer of your skin?

Answer 2

Death and cornification, a process called desquamation

Question 3

What are the 3 layer of the integumentary system?

Answer 3

Epidermis, dermis and subcutaneous or hypodermis

Question 4

What are the functions of the integumentary system?

Answer 4

Thermoregulation
Reservoir for blood
Protection from external environment
Cutaneous sensations
Excretion and absorption
Vitamin D synthesis

Question 5

What is apart of the subcutaneous layer?

Answer 5

It is not apart of the skin. Contains areolar and adipose tissue.

Question 6

What tissue is the epidermis made of?

Answer 6

keratinized squamous epithelium

Question 7

what tissue is the dermis made of?

Answer 7

connective tissue

Question 8

what are the four types of cells in the epidermis?

Answer 8

Keratinocytes (protects from the heat, microbes and chemicals)
Melanocytes (Produce pigment melanin to absorbs UV light)
Langerhans cells (immune response),
Merkel cells (Tactile disc, touch)

Question 9

What are the 5 basic layers of the epidermis from superficial to deep?

Answer 9

*Top to Bottom
Stratum Corneum
Stratum Lucidum
Stratum Granulosum
Stratum Spinosum
Stratum Basale