Dive into the Dermis

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Which cells are found in the dermis?

Red blood cells and white blood cells

Keratinocytes, melanocytes, and Langerhans cells

Fibroblasts, macrophages, and adipose cells (correct)

Neurons and glial cells

What is the function of the dermis?

Detection of fine touch and temperature

Transportation of nutrients and waste products

Structural support, immunological protection, and thermoregulation (correct)

Production of new skin cells and melanin

Which components make up the extracellular matrix of the dermis?

Collagen, elastic fibers, and ground substance (correct)

Keratin, melanin, and sebum

Hemoglobin, platelets, and plasma

Hyaluronic acid, glycosaminoglycans, and proteoglycans

What is the function of sweat glands in the skin?

Regulating body temperature and excreting waste products (B) Signup and view all the answers

What are the receptors responsible for detecting pain in the skin called?

Nociceptors (B) Signup and view all the answers

Which receptors are responsible for detecting vibrations in the skin?

Pacinian corpuscles (B) Signup and view all the answers

What is the function of mechanoreceptors in the skin?

Detecting pressure, vibrations, and texture (D) Signup and view all the answers

Which layer of the skin contains the epidermis and dermis?

Dermis (B) Signup and view all the answers

What is the function of collagen in the dermis?

Providing resistance and strength (C) Signup and view all the answers

Which cells are responsible for producing sweat in the skin?

Sweat glands (B) Signup and view all the answers

Which type of tissue is found in the papillary region of the dermis?

Areolar connective tissue (D) Signup and view all the answers

What percentage of the dermis does the papillary region make up?

20% (B) Signup and view all the answers

Which of the following is NOT found in the papillary region of the dermis?

Adipocytes (B) Signup and view all the answers

What type of receptors are present in the papillary region of the dermis?

Mechanoreceptors (D) Signup and view all the answers

What is the function of dermal papillae in the papillary region of the dermis?

To increase contact surface between dermis and epidermis (B) Signup and view all the answers

Which type of connective tissue is predominant in the reticular region of the dermis?

Dense irregular connective tissue (B) Signup and view all the answers

What is the main function of the reticular region of the dermis?

To provide resistance, extensibility, and elasticity (B) Signup and view all the answers

Which of the following is NOT found in the reticular region of the dermis?

Meissner corpuscles (D) Signup and view all the answers

What is the role of adipocytes in the reticular region of the dermis?

To store fat (C) Signup and view all the answers

What is the function of Pacinian corpuscles in the reticular region of the dermis?

To sense touch (A) Signup and view all the answers