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COPY: Ch. 4 The Integumentary System Introduction Quiz

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COPY: Ch. 4 The Integumentary System Introduction Quiz

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Questions and Answers

Which cell type in the epidermis is responsible for producing melanin?

Melanocytes (correct)

Smooth muscles

Keratinocytes

Merkel Cells

Which type of epithelium makes up the epidermis?

Simple squamous epithelium

Pseudostratified columnar epithelium

Stratified squamous epithelium (correct)

Stratified cuboidal epithelium

What is the process by which epidermal cells fill with keratin and move to the skin surface called?

Melanization

Epidermolysis

Keratinization (correct)

Hyperpigmentation

Which of the following factors contributes significantly to determining an individual's skin color?

Melanin production by melanocytes Signup and view all the answers

What is responsible for the strength and elasticity of the epidermis?

Collagen fibers extending into the papillary and subcutaneous layers Signup and view all the answers

Where are hairs found apart from the sides & soles of feet and palms of hands?

Everywhere on the body except those locations Signup and view all the answers

What determines the color of hair?

Level of melanin Signup and view all the answers

What surrounds each hair and is responsible for hair movement when activated?

A root hair plexus of nerves Signup and view all the answers

Which layer of the epidermis is responsible for keratinization?

Stratum corneum Signup and view all the answers

What is the primary function of melanin in the skin?

To protect against UV radiation Signup and view all the answers

Which area of the body is least likely to have melanin present in the epidermal tissues?

Palms of the hands Signup and view all the answers

What is the average time it takes for a cell produced in the stratum basale to reach the stratum corneum?

15 to 20 days Signup and view all the answers