Epithelia Layers of the Skin

What is the outermost layer of the epidermis called?

• stratum granulosum

• stratum corneum

• stratum lucidum

• stratum spinosum

Which layer of the epidermis contains melanocytes?

• stratum corneum

• stratum spinosum

• stratum granulosum

• stratum basale

What is the main function of the stratum corneum?

• Protective barrier

• Production of melanin

• Regulation of body temperature

• Absorption of nutrients

Which layer of the epidermis is responsible for cell division?

• stratum corneum

• stratum granulosum

• stratum spinosum

• stratum basale

What is the thickest layer of the epidermis?

• stratum spinosum

• stratum lucidum

• stratum granulosum

• stratum corneum

Which layer of the epidermis is composed of flattened, dead cells?

• stratum granulosum

• stratum lucidum

• stratum spinosum

• stratum corneum

What is the function of the stratum granulosum?

• The function of the stratum granulosum is to produce and secrete collagen.

• The function of the stratum granulosum is to produce and secrete sweat.

• The function of the stratum granulosum is to produce and secrete melanin.

• The function of the stratum granulosum is to produce and secrete lipids.

Which layer of the epidermis contains Langerhans cells?

• stratum spinosum

• stratum corneum

• stratum granulosum

• stratum basale

What is the innermost layer of the epidermis called?

• stratum spinosum

• stratum granulosum

• stratum corneum

• stratum basale

What is the function of the stratum spinosum?

• The function of the stratum spinosum is to produce melanocytes.

• The function of the stratum spinosum is to regulate body temperature.

• The function of the stratum spinosum is to store fat cells.

• The function of the stratum spinosum is to provide strength and support to the skin and produce keratinocytes.