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Which of the following is another name for the skin? Integument . cutaneous membrane
The skin consists of ____ regions.
The epidermis and dermis make upintegument
The epidermis is the outer layer of skin. consists of stratified squamous epithelial cells. contains melanocytes
In which layer of the epidermis are cells constantly dividing? stratum basale
Which of the following types of cells are NOT found in the epidermis? Red blood cells
What happens to cells when they move from the epidermis to the surface of the skin? They die
What is responsible for skin color? A. carotene B. melanin C. hemoglobin D. All of the above
A person with no color in their skin, hair, and eyes has A genetic disorder
The inability to produce the pigment melanin is called albinism
Which layer of the epidermis protects from abrasion and is found only in thick skin? stratum lucidum
Keratin is A waterproof protein
Melanin A. is a pigment. B. protects the skin from ultraviolet radiation. C. is located in the epidermis
Which layer contains blood vessels AND nerve fibers? dermis
Which of the following prevents the skin from overstretching and gives it strength? Collagen fibers
The dermis is composed ofDense irregular connective tissue
Poorly oxygenated blood in the dermis will cause an invividual toTurn cyanotic
The ___________ contains adipose tissue, while the ___________ contains melanocytes. hypodermis, epidermis
Adipose tissue A. is for insulation. B. gives a rounded appearance to the body. C. in excess results in obesity
. Hair is produced by epithelial cells located in the dermis
. Which consists of keratinized cells? A. hair B. nails C. stratum corneum
. The arrector pili A. is a smooth muscle. B. causes hair to "stand on end." C. contracts when cold, forming goose bumps. *D. is described by all of these characteristics.
What type of gland is associated with hair follicles? Sebaceous glands
What type of skin gland secretes sweat? sudoriferous gland
What type of skin gland secretes earwax? ceruminous gland
a bacterial infection resulting in crusty pustulesImpetigo is a bacterial infection resulting in crusty pustules
Athlete's foot is A fungal infection
caused by over keratinization.Dandruff is caused by over keratinization.
caused by sensitivity to chemicalsEczema is caused by sensitivity to chemicals
Which is the most dangerous form of skin cancer? malignant melanoma
In the ABCDE rule for melanoma, "B" stands for borders that are irregular.
Pain is rarely felt from a third-degree or fourth-degree burn.
The epidermis only is damaged from aFirst-degree burn
The epidermis and part of the dermis are damaged from a Second-degree burn
A. fluid loss. B. heat loss. C. bacterial infectionSevere burns result in A. fluid loss. B. heat loss. C. bacterial infection
The following are effects of ageing skin? . The skin wrinkles. The hair turns gray. There are fewer sweat glands.
A. protection B. sensory reception C. synthesis of vitamin D. Functions of the skin? A. protection B. sensory reception C. synthesis of vitamin D
Protective functions of the skinMelanocytes protect from UV radiation. As a covering, it keeps pathogens out. Langerhans cells phagocytize pathogens.
Properties of the skin . It is waterproof. It prevents water loss. It prevents water from entering when immersed.
What is needed to produce vitamin D? Ultraviolet light
. Along with sweat glands, what actively regulates body temperature? Blood vessels
. either hypothermia or hyperthermia . What occurs when the body's temperature regulatory mechanism is overcome? . either hypothermia or hyperthermia
What condition is described by high temperature, low blood pressure, and loss of salts due to profuse sweating? Heat exhaustion
Which would NOT occur when the body temperature is too low? . dermal blood vessel dilation or sweat production
The skin is both an organ and an organ system. true
The epidermis is very vasculartrue
The stratum basale is supplied with sensory nerves to detect pain, temperature, and touch. true
The dermal papillae, found in the hypodermis, create the unique fingerprints of individualsfalse
Another name for hives is psoriasis. false
Exposure to sunlight is the most common cause of skin cancertrue
An adult with third-degree burns over 15% of their body would NOT be considered criticalfalse
Many age-related changes to the skin appear to be due to sun damage.true
The skin aids the urinary system by excreting water and small amounts of other wastes through perspiration true
Skin Functions of Skin Mechanical/Chemical damage – keratin toughens cells; fats cells cushion blows; and pressure receptors to measure possible damage.
Seven Functions of Skin
PowerPoint Lecture Outlines to accompany
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How do I keep my body healthy? Components: cutaneous membrane integument › Skin (aka cutaneous membrane or integument) › Hair › Nails.
1 skin and accessory organs make up the integumentary system. Type of cutaneous membrane Copyright The McGraw-Hill Companies, Inc. Permission required.
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