Integumentary System Part 1 Quiz

What is the main organ of the integumentary system?

• Heart

• Liver

• Lungs

• Skin

Which layer of the skin is responsible for synthesizing vitamin D?

• None of the above

• Dermis

• Epidermis

• Hypodermis

What is the function of melanocytes in the skin?

• Produce keratin

• Produce sweat

• Produce melanin

• Produce oil

Which layer of the skin contains living keratinocytes that are forming keratin?

• Stratum granulosum

• Stratum lucidum

• Stratum corneum

• Stratum spinosum

What is the function of Langerhans cells in the skin?

• Produce keratin

• Ingest unwanted invaders

• Produce sweat

• Produce melanin

Where are friction ridges formed in the skin?

• Epidermis

• Dermis

• None of the above

• Hypodermis

Which layer of the skin provides insulation and energy storage?

• None of the above

• Hypodermis

• Dermis

• Epidermis

What happens when the ultraviolet radiation in the sun damages the epidermis?

• None of the above

• Causes skin to become leather-like

• Causes skin to become more elastic

• Causes skin to become softer

What is the main component of the reticular layer of the dermis?

• Dense irregular connective tissue

• None of the above

• Areolar connective tissue

• Adipose connective tissue

Where are the nerve fibers and capillaries distributed in the skin?

• None of the above

• Hypodermis

• Dermis

• Epidermis