Integumentary System

Question 1

what are the three layers of skin

Answer 1

Epidermis, dermis and subcutaneous layer

Question 2

The skin is the ______ organ in the body. Ranging from _____ to _____ mm thick and is ___% of body weight.

Answer 2

Largest, 0.5, 4mm, 16

Question 3

Describe the functions of the Epidermis.

Answer 3

The superficial portion of the skin and is composed of epithelial tissue. provides protection for underlying tissue.

Question 4

Describe the functions of the Dermis.

Answer 4

the deeper layer of the skin and is primarily composed of connective tissue. Made up of protein fibres, collagen/elastin, sweat glands, nerves etc.

Question 5

Describe the functions of the Subcutaneous layer.

Answer 5

underneath the two skin layers, consists of tissues that attach the skin to underlying structures, fat in this layer provides, insulation, protection - against knocks/bumps, storage - of chemical energy

Question 6

What are the functions of the skin

Answer 6

Protect the underlying tissues agains, Sensations, Excretion, Synthesis of vitamin D, Blood reservoir, Regulation of body temperature

Question 7

What are Functions of the normal microbial flora of the skin

Answer 7

Lower the pH of skin, Excrete chemicals with antibacterial activity

Question 8

What is a fungal infection on the skin.

Answer 8

Athlete’s foot -Tinea pedis

Ringworm – Tinea corporis

Question 9

What is Bacterial infections of skin.

Answer 9

STS – Staphylococcal toxic shock syndrome