Collagen and Skin Layers

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36 Questions

Which type of sweat gland responds to environmental changes and is found on the neck, back, and forehead?

Eccrine glands

What is the function of sebum (skin oil)?

To protect from water loss

Where are melanocytes found in the skin?

In the stratum basale

What is the main function of melanocytes?

To produce pigments and decrease UV light penetration

Which type of melanin is produced by darker skinned and darker haired people?

Eumelanin

What is the main source of melanin production in the skin?

Melanocytes

Where are melanosomes arranged in the skin?

Around the nucleus of keratinocytes

What is the purpose of melanosomes in the skin?

To protect the nucleus from UV radiation

What accounts for variations in skin color among individuals?

The amount and type of melanin produced

Which layer of the skin is responsible for sensory reception and temperature control?

Dermis

What is the function of collagen in the connective tissue?

Provides both flexibility and strength

Which layer of the epidermis is composed of several layers of rough, flake-like dead cells?

Stratum corneum

Which layer of the epidermis is absent in thin skin?

Stratum lucidum

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

Protects body heat

Which layer of the skin is avascular, meaning it has no blood supply?

Epidermis

What is the function of the stratum granulosum in the epidermis?

Contains keratohyalin granules

Which layer of the epidermis is responsible for new cell production?

Stratum basale

What type of connective tissue is found in the subcutaneous tissue (hypodermis)?

Loose fibrous connective tissue

Which layer of the skin provides flexible strength to tissues?

Dermis

Which layer of the skin is responsible for producing sweat and sebum?

Epidermis

Which layer of the skin is thicker and deeper, also known as the 'true skin'?

Dermis

Which layer of the skin is avascular, meaning it lacks a blood supply?

Epidermis

What type of tissue is the subcutaneous tissue (hypodermis) made of?

Loose fibrous connective tissue

Which layer of the epidermis is responsible for new cell production?

Stratum basale

Which layer of the epidermis is composed of several layers of rough, flake-like dead cells?

Stratum corneum

Where are melanosomes arranged in the skin?

Epidermis

What is the function of collagen in the connective tissue?

Provides flexible strength to tissues

Which type of sweat gland responds to emotional stress and is found in genital areas and axilla?

Apocrine

Which layer of the epidermis contains melanocytes and is responsible for producing pigments that protect the skin from UV light?

Stratum basale

What is the main function of sebum (skin oil)?

To keep the hair and skin soft and pliant

Which type of melanin is produced by lighter skinned and lighter haired people?

Pheomelanin

Where are melanosomes arranged in the skin?

Stratum corneum

What is the function of collagen in the connective tissue?

To provide strength and support

Which layer of the epidermis is composed of several layers of rough, flake-like dead cells?

Stratum corneum

What accounts for variations in skin color among individuals?

Amount and type of melanin produced

What is the main source of melanin production in the skin?

Melanocytes

Test your knowledge of collagen and the layers of the skin with this quiz! Learn about the fiber found in connective tissue and its importance in providing flexible strength to tissues. Explore the different layers of the skin, such as the epidermis and dermis, and discover their functions and characteristics.

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