INTEGUMENTARY

The thinnest layer of skin,

and most superficial layer of skin.

What color(s) does melanin contribute to the skin?

• Yellow

• Brown

• Red

• Orange

UV light contacting the skin can...

• increase melanin production

• cause sunburn

• help make strong bones

• lead to skin cancer

Which 2 of the following skin layers make up the DERMIS?

• Papillary Layer

• Reticular Layer

• Stratum Basale

• Subcutaneous Layer

• Stratum Corneum

What 2 types of tissue make up the Subcutaneous Layer (Hypodermis)

• Areolar

• Adipose

• Dense Irregular CT

• Stratified Squamous

The skin makes up about _______ percent of your body weight.

• 10

• 15

• 11

• 5

The part of the hair beneath the skin that cannot be seen is called the...

• Shaft

• Root

• Medulla

• Follicle

• Cortex

What contributes to the amount of melanin a person produces?

• The number of melanocytes a person has

• The number of keratinocytes a person has

• The amount of keratin a person produces

• The amount of UV light a person is exposed to

The accessory structures of the integument include the

• blood vessels, glands, muscles, and nerves

• Merkel cells, lamellated corpuscles, and tactile corpuscles

• hair, skin and nails

• hair follicles, nails, sebaceous glands, sweat glands

Which of the following is a result of UV exposure that benefits the skin?

• Vitamin D production

• Sunburn

• Keratinocytes shed off

• It increases surface area