Integumentary System

What protein makes up the structures skin, hair, and nails?

• Keratin

• Melanin

• Sebum

What is the largest organ of the body?

• Skin

• Hair

• Tissues

What layer of the skin constantly sheds dead skin cells known as keratinocytes?

• Epidermis

• Dermis

• Hypodermis

The epidermis contains _____ to allow for sweat & oil to escape

• Pores

• Tissues

• Glands

It is the pigment for skin & hair produced by the cells called melanocytes

• Melanin

• Sebum

• Keratin

What does the color of the skin depend on?

• Genetics only

• Genetics & Sun exposure

• Sun exposure only

The skin layer that includes blood & lymphatic vessels, defensive cells, nerve fibers, glands, & hair follicles

• Dermis

• Hypodermis

• Epidermis

The superficial dermal layer that has projections called dermal papillae layer for skin & friction ridges for grip

• Papillary layer

• Hypodermal layer

• Reticular layer

It is the deeper dermal layer that forms tension lines & flexure lines

• Papillary layer

• Reticular layer

• Hypodermal layer

What are the invisible lines that surgeon cut parallel to for a smaller gape & faster healing?

• Tension lines

• Flexure lines

• Parallel lines