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Skin Anatomy and Physiology

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Questions and Answers

What is the primary function of the skin?

to aid in absorption and excretion
to synthesize vitamin D
to protect the underlying tissues and organs (correct)
to regulate body temperature

What is the skin's role in maintaining fluid and electrolyte balance?

aiding in temperature maintenance
regulating sweat gland production
playing a vital role in fluid and electrolyte balance (correct)
regulating blood pressure

What is the skin thicker on?

the torso
the face
the scalp
the palms and soles (correct)

What is the skin's role in immunity?

playing a vital role in immunity (B) Signup and view all the answers

How does the skin regulate body temperature?

through vasodilation and evaporation of perspiration (C) Signup and view all the answers

What is the integumentary system comprised of?

skin, hair, and exocrine glands (B) Signup and view all the answers

What is the primary function of melanin in the skin?

To protect the skin from UV rays (D) Signup and view all the answers

What is the main component of the dermis layer?

Collagen fibers (A) Signup and view all the answers

What is the primary function of sebaceous glands?

To produce sebum for waterproofing the hair and skin (B) Signup and view all the answers

Which type of sweat gland is associated with hair follicles?

Apocrine glands (D) Signup and view all the answers

What is the primary function of the subcutaneous tissue (hypodermis)?

To store fat as an energy reserve and provide insulation (C) Signup and view all the answers

What is the location of apocrine glands in the body?

Only in the axillae, perineum, and areolae of the breasts (D) Signup and view all the answers

What is the main function of the Stratum corneum?

To render the skin waterproof (B) Signup and view all the answers

Which layer of the skin is responsible for cell division?

Stratum basale (B) Signup and view all the answers

What is the purpose of melanin in the skin?

To give the skin its color (A) Signup and view all the answers

What is the function of the Stratum lucidum?

To appear as a thin, lighter layer on the palms and soles (B) Signup and view all the answers

What is the role of keratin in the skin?

To form the outer skin layer (C) Signup and view all the answers

What is the function of the Stratum granulosum?

To mature keratinocytes (B) Signup and view all the answers