Question 1

What is the outermost layer of the skin called?

Accepted Answer

The epidermis is the outermost layer of the skin. It acts as a protective barrier and contains no blood vessels.

Question 2

Which layer of the epidermis is responsible for producing new skin cells through mitosis?

Accepted Answer

The stratum germinativum (stratum basale) is the deepest epidermal layer and is responsible for producing new skin cells through cell division.

Question 3

What is the function of the stratum corneum?

Accepted Answer

The stratum corneum is the outermost epidermal layer composed of dead, keratinized cells that form a protective barrier against environmental damage and water loss.

Question 4

Which layer of skin contains collagen, elastin, blood vessels, and nerve endings?

Accepted Answer

The dermis contains collagen and elastin fibers, blood vessels, lymph vessels, nerve endings, hair follicles, and sweat glands. It gives skin its strength and elasticity.

Question 5

What is the subcutaneous layer (hypodermis) primarily composed of?

Accepted Answer

The subcutaneous layer is primarily composed of adipose (fat) tissue, which insulates the body, stores energy, and acts as a shock absorber.

Anatomy & Physiology for California Esthetician State Board Exam

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