Skin and Its Accessory Structures

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Which of the following is NOT an accessory structure of the skin?

Glands

Hair

Nails

Muscles (correct)

What is the pH of the skin?

Alkaline

Variable

Acidic (correct)

Neutral

Which layer of the skin is responsible for energy storage and physical protection?

Dermis

Epidermis

Hypodermis (correct)

Adipose tissue

What is the function of the skin?

All of the above Signup and view all the answers

Which layer of the skin is composed of connective tissue?

Dermis Signup and view all the answers

Which region of the dermis is responsible for providing nutrients to the epidermis?

Papillary region Signup and view all the answers

Which cell type is the most abundant in the skin?

Keratinocytes Signup and view all the answers

What is the function of melanocytes in the skin?

Producing melanin Signup and view all the answers

Which type of cell in the epidermis is involved in immune response?

Langerhans cells Signup and view all the answers

Where are Merkel cells primarily located in the skin?

Stratum basale Signup and view all the answers

Which layer of the epidermis is the most superficial?

Stratum corneum Signup and view all the answers

What is the function of the stratum corneum?

All of the above Signup and view all the answers

What happens to the stratum corneum when exposed to constant friction?

It increases in depth with the formation of a callus Signup and view all the answers

What is the main component of the stratum corneum that makes it water-repellent?

Lipids Signup and view all the answers

Which layer of the epidermis is responsible for the formation of new skin cells?

Stratum basale Signup and view all the answers

Which layer of the epidermis is responsible for preventing water loss and acting as a physical barrier to microorganisms?

Stratum Granulosum Signup and view all the answers

Which layer of the epidermis is ONLY present in thick skin, such as the palms of the hands and soles of the feet?

Stratum Lucidum Signup and view all the answers

Which layer of the epidermis is the second deepest and provides strength and flexibility to the skin?

Stratum Spinosum Signup and view all the answers

Which layer of the epidermis is the deepest and functions as the germinative layer for cell proliferation?

Stratum Basale Signup and view all the answers

Which layer of the epidermis is required for successful skin grafts?

Stratum Basale Signup and view all the answers

Which layer of the epidermis is responsible for constant cell division?

Stratum basale Signup and view all the answers

What is the process called when keratinocytes' intracellular content is replaced by keratin during their migration towards the surface?

Keratinization Signup and view all the answers

What happens to the mitotic rate in the stratum basale in response to abrasion or burns?

Increases Signup and view all the answers

Which cells are found in the dermis of the skin?

Fibroblasts, macrophages, and adipose cells Signup and view all the answers

Which component of the extracellular matrix in the dermis provides flexibility to the skin?

Elastic fibers Signup and view all the answers

What is the function of the sweat glands in the skin?

Thermoregulation Signup and view all the answers

Which type of receptor in the skin is responsible for detecting pain?

Nociceptors Signup and view all the answers

Which layer of the skin contains blood vessels, hair follicles, and sebaceous glands?

Dermis Signup and view all the answers

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

Areolar connective tissue Signup and view all the answers

What is the function of the arrector pili muscle in the dermis?

Contraction of hair follicles Signup and view all the answers

Which type of receptor is responsible for fine touch sensation in the dermis?

Meissner corpuscle Signup and view all the answers

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

Resistance, extensibility, and elasticity Signup and view all the answers

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

Increase contact surface between dermis and epidermis Signup and view all the answers

Which of the following is NOT an accessory structure of the skin?

Sweat glands Signup and view all the answers

Which layer of the skin contains blood vessels, hair follicles, and sebaceous glands?

Dermis Signup and view all the answers

What is the function of the sweat glands in the skin?

Thermoregulation Signup and view all the answers

Which layer of the epidermis is the deepest and functions as the germinative layer for cell proliferation?

Stratum basale Signup and view all the answers

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

Provides strength and flexibility Signup and view all the answers

Which type of receptor in the skin is responsible for detecting pain?

Nociceptor Signup and view all the answers

What is the main component of the stratum corneum that makes it water-repellent?

Keratin Signup and view all the answers

Which type of cell in the epidermis is involved in immune response?

Langerhans cell Signup and view all the answers

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

Areolar connective tissue Signup and view all the answers

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

Nerve endings Signup and view all the answers

Which type of gland produces a waxy secretion called cerumen?

Ceruminous glands Signup and view all the answers

What is the main function of mammary glands?

Producing milk Signup and view all the answers

Which type of gland is responsible for sweat production?

Simple coiled tubular glands Signup and view all the answers

Where are ceruminous glands primarily located?

In the external auditory meatus Signup and view all the answers

Which type of gland is NOT mentioned in the text?

Mammary glands Signup and view all the answers

Which type of glands produce sebum onto the epidermal surface?

Sebaceous glands Signup and view all the answers

Which glands start working soon after birth and are present throughout the body, except lips, auditory conduct, and glans?

Sweat glands Signup and view all the answers

Which glands secrete oily substances containing lipids, proteins, and steroids and are found in specific regions of the body such as the armpit and groin?

Apocrine glands Signup and view all the answers

What is the main function of sebaceous glands?

Protection against skin and hair dehydration Signup and view all the answers

Which glands are responsible for thermoregulation and excretion of urea, uric acid, and ammonia?

Sweat glands Signup and view all the answers

Which type of glands produce sebum onto the epidermal surface?

Sebaceous glands Signup and view all the answers

Where are ceruminous glands primarily located?

Auditory conduct Signup and view all the answers

What is the main function of mammary glands?

Production of milk Signup and view all the answers

What is the pH of the skin?

Acidic Signup and view all the answers

What happens to the mitotic rate in the stratum basale in response to abrasion or burns?

Increases Signup and view all the answers

Which type of gland produces a waxy secretion called cerumen?

Ceruminous glands Signup and view all the answers

Where are ceruminous glands primarily located?

External auditory meatus Signup and view all the answers

Which type of gland is NOT mentioned in the text?

Apocrine glands Signup and view all the answers

Which layer of the epidermis is responsible for preventing water loss and acting as a physical barrier to microorganisms?

Stratum corneum Signup and view all the answers

Which type of gland is responsible for sweat production?

Merocrine glands Signup and view all the answers

Which of the following is NOT a function of the skin?

Excretion Signup and view all the answers

What is the main function of the stratum corneum in the skin?

Chemical protection Signup and view all the answers

Which of the following is NOT a vasoconstrictor involved in thermoregulation?

Heparin Signup and view all the answers

Which of the following is responsible for the synthesis of vitamin D in the skin?

UV light Signup and view all the answers

Which of the following is NOT a cutaneous sensation detected by the skin?

Smell Signup and view all the answers

Which enzyme modifies the activated molecule to produce calcitriol?

Renal enzyme Signup and view all the answers

What is the function of calcitriol?

It favors calcium absorption Signup and view all the answers

What does the acronym SHAPES stand for in relation to the functions of the skin?

Sensation, Heating & Cooling, Absorption, Protection, Excretion, Secretion Signup and view all the answers

Which layer of the skin is responsible for preventing water loss and acting as a physical barrier to microorganisms?

Stratum corneum Signup and view all the answers

What are the functions of the skin?

Sensation, Heating & Cooling, Absorption, Protection, Excretion, Secretion Signup and view all the answers

Skin and Its Accessory Structures

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Questions and Answers

Which of the following is NOT an accessory structure of the skin?

What is the pH of the skin?

Which layer of the skin is responsible for energy storage and physical protection?

What is the function of the skin?

Which layer of the skin is composed of connective tissue?

Which region of the dermis is responsible for providing nutrients to the epidermis?

Which cell type is the most abundant in the skin?

What is the function of melanocytes in the skin?

Which type of cell in the epidermis is involved in immune response?

Where are Merkel cells primarily located in the skin?

Which layer of the epidermis is the most superficial?

What is the function of the stratum corneum?

What happens to the stratum corneum when exposed to constant friction?

What is the main component of the stratum corneum that makes it water-repellent?

Which layer of the epidermis is responsible for the formation of new skin cells?

Which layer of the epidermis is responsible for preventing water loss and acting as a physical barrier to microorganisms?

Which layer of the epidermis is ONLY present in thick skin, such as the palms of the hands and soles of the feet?

Which layer of the epidermis is the second deepest and provides strength and flexibility to the skin?

Which layer of the epidermis is the deepest and functions as the germinative layer for cell proliferation?

Which layer of the epidermis is required for successful skin grafts?

Which layer of the epidermis is responsible for constant cell division?

What is the process called when keratinocytes' intracellular content is replaced by keratin during their migration towards the surface?

What happens to the mitotic rate in the stratum basale in response to abrasion or burns?

Which cells are found in the dermis of the skin?

Which component of the extracellular matrix in the dermis provides flexibility to the skin?

What is the function of the sweat glands in the skin?

Which type of receptor in the skin is responsible for detecting pain?

Which layer of the skin contains blood vessels, hair follicles, and sebaceous glands?

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

What is the function of the arrector pili muscle in the dermis?

Which type of receptor is responsible for fine touch sensation in the dermis?

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

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

Which of the following is NOT an accessory structure of the skin?

Which layer of the skin contains blood vessels, hair follicles, and sebaceous glands?

What is the function of the sweat glands in the skin?

Which layer of the epidermis is the deepest and functions as the germinative layer for cell proliferation?

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

Which type of receptor in the skin is responsible for detecting pain?

What is the main component of the stratum corneum that makes it water-repellent?

Which type of cell in the epidermis is involved in immune response?

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

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

Which type of gland produces a waxy secretion called cerumen?

What is the main function of mammary glands?

Which type of gland is responsible for sweat production?

Where are ceruminous glands primarily located?

Which type of gland is NOT mentioned in the text?

Which type of glands produce sebum onto the epidermal surface?

Which glands start working soon after birth and are present throughout the body, except lips, auditory conduct, and glans?

Which glands secrete oily substances containing lipids, proteins, and steroids and are found in specific regions of the body such as the armpit and groin?

What is the main function of sebaceous glands?

Which glands are responsible for thermoregulation and excretion of urea, uric acid, and ammonia?

Which type of glands produce sebum onto the epidermal surface?

Where are ceruminous glands primarily located?

What is the main function of mammary glands?

What is the pH of the skin?

What happens to the mitotic rate in the stratum basale in response to abrasion or burns?

Which type of gland produces a waxy secretion called cerumen?

Where are ceruminous glands primarily located?

Which type of gland is NOT mentioned in the text?

Which layer of the epidermis is responsible for preventing water loss and acting as a physical barrier to microorganisms?

Which type of gland is responsible for sweat production?

Which of the following is NOT a function of the skin?

What is the main function of the stratum corneum in the skin?

Which of the following is NOT a vasoconstrictor involved in thermoregulation?

Which of the following is responsible for the synthesis of vitamin D in the skin?

Which of the following is NOT a cutaneous sensation detected by the skin?

Which enzyme modifies the activated molecule to produce calcitriol?

What is the function of calcitriol?

What does the acronym SHAPES stand for in relation to the functions of the skin?

Which layer of the skin is responsible for preventing water loss and acting as a physical barrier to microorganisms?

What are the functions of the skin?

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