Integumentary System

Palms and soles are composed of ?

• an epidermal layer only

• a dermal layer only

• thick skin

• thin skin

Which of the following is NOT found in thick skin

• stratum corneum

• stratum granulosum

• stratum lucidum

• stratum basale

What connects the cells of the stratum basale to the basement membrane?

What connects adjacent cells to each other?

How long does it take for epithelial cells to move from the deepest layer to the most superficial layer?

• 12-24 hours

• 1-2 days

• 7-10 days

• 2-3 weeks

Which stratum is dedicated to cells that have stopped dividing and are actively producing keratin?

• basale

• spinosum

• cornaum

• granulosum

The exposed portion of the epidermis belongs to what stratum?

Which of the following is NOT an accessory structure of the skin?

• hair

• nails

• arrector pili muscle

• epidermis

The primary pigment(s) involved in skin coloration are?

• melatonin

• melanin

• carotene and melanin

• carotene

Which stratum holds melanocytes?

• basale

• spinosum

• corneum

• lucidum