Author Question: The primary function of the epidermis is to 1. provide foundation for hair growth. 2. insulate ... (Read 31 times)

daltonest1984 · **on:** Jul 23, 2018

The primary function of the epidermis is to

1. provide foundation for hair growth.
2. insulate the body.
3. provide a source of energy.
4. form a protective barrier to foreign matter.

Question 2

Skin cells in the epidermis are replaced and supplied by the

1. stratum lucidum.
2. dermis basale.
3. melanocytes.
4. stratum basale.

GCabra · **Reply #1 on:** Jul 23, 2018

Answer to Question 1

Correct Answer: 4
Rationale 1: The dermis provides for hair growth.
Rationale 2: The subcutaneous layer insulates the body.
Rationale 3: The subcutaneous layer provides energy.
Rationale 4: The epidermis is the outermost layer, and provides a protective barrier to foreign material and bacteria.

Answer to Question 2

Correct Answer: 4
Rationale 1: The stratum lucidum is the middle layer.
Rationale 2: This is not the layer that supplies new cells.
Rationale 3: Melanocytes provide pigment.
Rationale 4: The stratum basale is the deepest layer, and provides new skin cells.