Unit 3 Test: integumentary system

LAST NAME, First Name

Class Period

• 1
• 2
• 3
• 4
• 5

Which of the following is NOT a function of skin?

• sensation
• secretion of hormones
• production of vitamins
• excretion of waste

Which of the following is the correct order for the layers of skin from superficial to deep?

• epidermis, dermis, hypodermis
• hypodermis, epidermis, dermis
• dermis, epidermis, hypodermis
• epidermis, hypodermis, dermis
• hypodermis, dermis, epidermis

Which of the following epidermal layers is made of cells that are constantly dividing?

• stratum lucidum
• stratum spinosum
• stratum basale
• stratum corneum
• stratum granulosum

Which of the following epidermal layers is found in thick skin like the palms of your hands?

• stratum lucidum
• stratum spinosum
• stratum basale
• stratum corneum
• stratum granulosum

Which of the following epidermal layers is constantly being shed during your daily activities?

• stratum lucidum
• stratum spinosum
• stratum basale
• stratum corneum
• stratum granulosum

Your fingerprints are caused by...?

• a build up of melanin
• layers of keratin filaments
• a layer of dermal papillae
• blood vessels near your skin

Which of the following is a pigment produced by your skin that protects you from UV radiation?

• melanin
• keratin
• vitamin D
• collagen

Lines of cleavage in the dermis are caused by...?

• keratin
• melanin
• vitamin D
• collagen