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Layers of the Epidermis Biology Quiz

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Questions and Answers

Which layer of the epidermis is responsible for continuous cell division?

Stratum granulosum

Stratum spinosum

Stratum basale (correct)

Stratum lucidum

In which type of skin is the stratum lucidum present?

Skin of the scalp

Both thin and thick skin

Thick skin (correct)

Thin skin

What is the main component of the dermis?

Adipose cells

Keratinocytes

Collagen and elastic fibers (correct)

Melanocytes

Which region of the dermis contains areolar connective tissue, capillary loops, and corpuscles of touch?

Papillary region Signup and view all the answers

What can stimulate the formation of a callus in the skin?

Constant friction Signup and view all the answers

Which layer of the epidermis is composed of flat, dead keratinocytes continuously shed and replaced by deeper cells?

Stratum corneum Signup and view all the answers

'Keratinization' in the skin involves:

Accumulation of protective keratin as cells move towards the surface Signup and view all the answers

'Dandruff' is caused by an excess of:

Keratinized cells shed from the scalp Signup and view all the answers

Which layer of the epidermis includes keratohyalin and lamellar granules?

Stratum granulosum Signup and view all the answers