Integumentary System Review

Which of the following is a function of skin? (Select all that apply)

• Sensation

• Excretion of waste

• Production of vitamins

• Secretion of hormones

• Protection from the external environment

Danielle and Braden are having an argument. Danielle believes that darker-skinned people have the same number of melanocytes as lighter-skinned people, but their melanocytes produce more melanin. Braden disagrees and believes that darker-skinned people are darker-skinned because they have more melanocytes. Who is correct?

• Danielle

• Braden

Tags

NGSS.MS-LS1-5

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

• hypodermis, epidermis, dermis

• epidermis, dermis, hypodermis

• epidermis, hypodermis, dermis

• dermis, epidermis, hypodermis

Melanocytes can be found in which 2 layers of the epidermis? (select 2 options)

• Stratum basale

• Stratum spinosum

• Stratum corneum

• Stratum lucidum

• Stratum granulosum

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

• stratum lucidum

• stratum granulosum

• stratum corneum

• stratum basale

• stratum spinosum

Which of the following epidermal layers is made of thick, keratinized cells that protect the deeper layers and are regularly shed from the body?

• stratum lucidum

• stratum granulosum

• stratum corneum

• stratum basale

• stratum spinosum

Which of the following epidermal layers is made of a thin layer of translucent cells only found in the thick skin of the palms and soles of feet?

• stratum lucidum

• stratum granulosum

• stratum corneum

• stratum basale

• stratum spinosum

Which of the following epidermal layers is made of flattening, disintegrating cells that accumulate keratin granules, and water-proof the skin?

• stratum lucidum

• stratum granulosum

• stratum corneum

• stratum basale

• stratum spinosum

Which of the following epidermal layers is the "spiny layer" that contains pre-keratin filaments?

• stratum lucidum

• stratum granulosum

• stratum corneum

• stratum basale

• stratum spinosum

Your fingerprints are caused by

• a build-up of melanin.

• layers of keratin filaments.

• a layer of dermal papillae.

• blood vessels near your skin.