Integumentary System Quiz

What is the main function of the epidermis?

• Sensing the outside world

• Synthesizing vitamin D

• Protecting from environmental threats

• Maintaining balance of fluids

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

• Stratum corneum

• Stratum lucidum

• Stratum granulosum

• Stratum spinosum

What is the function of the melanocyte in the skin?

• Protecting from environmental threats

• Regulating body temperature

• Synthesizing melanin

• Synthesizing vitamin D

Which layer of the skin is composed of mostly adipose connective tissue?

• Epidermis

• Dermis

• Subcutis

• Stratum corneum

What is the main function of the hypodermis?

• Sensing the outside world

• Maintaining balance of fluids

• Providing insulation

• Synthesizing vitamin D

What is the role of dendritic cells in the epidermis?

• Ingesting unwanted invaders

• Synthesizing melanin

• Synthesizing vitamin D

• Regulating body temperature

Which layer of the skin contains capillaries and blood vessels?

• Reticular layer

• Papillary layer

• Stratum granulosum

• Stratum corneum

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

• Providing insulation

• Regulating body temperature

• Containing nerve fibers and capillaries

• Gripping surfaces

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

• Synthesis of melanin increases

• Immune system gets stronger

• Skin becomes more elastic

• Elastic fibers clump up

What is the main function of the friction ridges in the papillary layer of the dermis?

• Ingesting unwanted invaders

• Gripping surfaces

• Regulating body temperature

• Synthesizing vitamin D