Integumentary System Overview

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16 Questions

Which layer of the skin houses an extensive network of blood vessels carrying 8-10% of total blood flow in a resting adult?

Dermis

What is the outermost layer of the epidermis made up of?

Dead keratinocytes

What process is responsible for producing new skin cells to replace old ones?

Mitosis

Which pigment is responsible for giving skin its color?

Melanin

What type of skin cell produces melanin?

Melanocytes

Which process is responsible for the production of vitamin D in the skin?

UV light absorption

Which layer of the skin is responsible for producing protein fibers and creating a tightly interlocked layer of keratin surrounded by keratohyalin?

Stratum granulosum

What is the function of melanocytes in the skin?

To protect skin from sun damage

In which layer of the epidermis would you find cells that respond to touch?

Stratum germinativum

What is the outer layer of the skin called?

Epidermis

What causes dehydration through the skin resulting from damage to the stratum corneum?

Immersion in seawater

Which layer of the epidermis is found only in thick skin and covers the stratum granulosum?

Stratum lucidum

What is the function of exocrine glands in the skin?

Produce sebum and sweat

How long does it take for a cell to move from the stratum germinativum to the stratum corneum?

~15-30 days

What protects the epidermis from sun damage caused by ultraviolet radiation?

$\alpha$-melanin pigments

Which layer of the skin contains blood circulation components that contribute to skin color?

Dermis

This quiz provides an overview of the integumentary system, including its structure, parts, and functions. Learn about the epidermis, dermis, hypodermis, and other components that make up this important system in the human body.

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