What is skin? The layers of human skin

The skin's primary jobs are sensory intake of information and protection from environmental factors.

• True

• False

Which of the following statements is FALSE?

• Keratinocytes produce keratin, a strength protein in the epidermis.

• The outermost skin layer is the hypodermis.

• The 3 skin layers superficial to deep are epidermis, dermis and hypodermis.

Melanocytes produce melanin for skin pigmentation.

• True

• False

How long does skin regeneration take?

• 1 year

• 1 month

• 1 day

• 1 hour

Which of the following is NOT true about the dermis?

• The dermis is the layer of skin beneath the epidermis that consists of epithelial tissue and cushions the body from stress and strain.

• It contains the hair follicles, sweat glands, and sebaceous glands.

• It forms the waterproof, protective wrap over the body's surface which also serves as a barrier to infection. 

• It contains many types of sensory nerves to take in touch, temperature and pain information.

Which of the following is least associated with the hypodermis?

• keratin & melanin

• adipose tissue

• arteries & veins

• lymphatic vessels