NUR 218 Exam 2 Purdue || Acknowledged Answers 100%.
What is the largest organ in the body? correct answers skin, covers over 20 square feet of surface
area
what are the two layers the skin? correct answers epidermis and dermis
what is under the dermis? correct answers a subcutaneous layer composed of adipose tissue,
allows for temperature control and cushioning
epidermis correct answers thin but tough, inner basal cell layer is what FORMS NEW CELLS
(cells migrate from basal cell layer to top of skin where they schleff off)
horny cell layer correct answers consists of dead keratinized cells that are interwoven and tightly
packed, cells are constantly being shed here
How often is the epidermis completely replaced? correct answers every 4 weeks
Dermis correct answers inner supportive layer composed mainly of collagen, nerves, sensory
receptors, blood vessels and lymphatics live here
Collagen correct answers structural protein found in the skin and connective tissue
hair correct answers threads of keratin
vellus hair correct answers pale, fine body hair of children and adult females
terminal hair correct answers Darker, thicker hair that grows on the scalp and eyebrows and, after
puberty, on the axillae, the pubic area, and the face and chest in the male.
,eccrine sweat glands correct answers Secreting glands, are far more numerous and are abundant
on palms, soles of feet and forehead. Each is a simple, coiled, tubular gland. Ducts connect to
pores. Sweat: 99% water, NaCl, vitamin C, antibodies, dermcidin and metabolic wastes.
apocrine glands correct answers Sweat glands in the pubic and underarm areas that secrete
thicker sweat, that produce odor when come in contact with bacteria on the skin
nail plate correct answers Hardened keratin plate that sits on and covers the natural nail bed. It is
the most visible and functional part of the natural nail unit.
Function of skin correct answers protection, prevents penetration, perception, temperature
regulation, identification, communication, wound repair, absorption and excretion, production of
vitamin D
when do babies develop hair follicles correct answers 3 months of gestation
Lanugo correct answers fine, soft hair, especially that which covers the body and limbs of a
human fetus or newborn.
why do newborns have a greater risk of fluid loss? correct answers their skin is more permeable
due to thinner hair and the smoothness and elasticity of the hair
what occurs in the skin during pregnancy? correct answers metabolism is increased, peripheral
vasculature dilates and the sweat and sebaceous glands increase secretions
what occurs in the skin in aging adults? correct answers atrophy of skin structures, skin loses its
elasticity, folds, sags, becomes dry, wrinkles
what causes the increase in risk for skin tearing in aging adults? correct answers loss of collagen
, why are older adults at a greater risk for heat stroke? correct answers decreased response of
sweat glands due to thermoregulation
senile purpura correct answers discoloration due to increasing capillary fragility, ex. bruising
exstensively due to minor trauma
why does skin and hair develop a gray or white look in old age? correct answers decrease in the
number of functioning melanocytes
what kind of objective information does the skin hold? correct answers information about body
circulation, nutritional status, signs of systemic diseases, topical data on the integument itself
what does intertriginous areas mean? correct answers areas with skin folds
hypopigmentation correct answers areas of skin lacking color because of deficient amounts of
melanin
hyperpigmentation correct answers darkened areas of skin caused by excessive amounts of
melanin
senile lentigines correct answers liver spots, brown macules commonly found on the backs of
hands, forearms and face
vitligo correct answers a condition caused by the destruction of melanin that results in the
appearance of white patches on the skin (commonly the face, hands, legs, and genital areas)
erythema correct answers redness of the skin due to capillary dilation, expected in fever
hyperemia correct answers increased blood flow
What is the largest organ in the body? correct answers skin, covers over 20 square feet of surface
area
what are the two layers the skin? correct answers epidermis and dermis
what is under the dermis? correct answers a subcutaneous layer composed of adipose tissue,
allows for temperature control and cushioning
epidermis correct answers thin but tough, inner basal cell layer is what FORMS NEW CELLS
(cells migrate from basal cell layer to top of skin where they schleff off)
horny cell layer correct answers consists of dead keratinized cells that are interwoven and tightly
packed, cells are constantly being shed here
How often is the epidermis completely replaced? correct answers every 4 weeks
Dermis correct answers inner supportive layer composed mainly of collagen, nerves, sensory
receptors, blood vessels and lymphatics live here
Collagen correct answers structural protein found in the skin and connective tissue
hair correct answers threads of keratin
vellus hair correct answers pale, fine body hair of children and adult females
terminal hair correct answers Darker, thicker hair that grows on the scalp and eyebrows and, after
puberty, on the axillae, the pubic area, and the face and chest in the male.
,eccrine sweat glands correct answers Secreting glands, are far more numerous and are abundant
on palms, soles of feet and forehead. Each is a simple, coiled, tubular gland. Ducts connect to
pores. Sweat: 99% water, NaCl, vitamin C, antibodies, dermcidin and metabolic wastes.
apocrine glands correct answers Sweat glands in the pubic and underarm areas that secrete
thicker sweat, that produce odor when come in contact with bacteria on the skin
nail plate correct answers Hardened keratin plate that sits on and covers the natural nail bed. It is
the most visible and functional part of the natural nail unit.
Function of skin correct answers protection, prevents penetration, perception, temperature
regulation, identification, communication, wound repair, absorption and excretion, production of
vitamin D
when do babies develop hair follicles correct answers 3 months of gestation
Lanugo correct answers fine, soft hair, especially that which covers the body and limbs of a
human fetus or newborn.
why do newborns have a greater risk of fluid loss? correct answers their skin is more permeable
due to thinner hair and the smoothness and elasticity of the hair
what occurs in the skin during pregnancy? correct answers metabolism is increased, peripheral
vasculature dilates and the sweat and sebaceous glands increase secretions
what occurs in the skin in aging adults? correct answers atrophy of skin structures, skin loses its
elasticity, folds, sags, becomes dry, wrinkles
what causes the increase in risk for skin tearing in aging adults? correct answers loss of collagen
, why are older adults at a greater risk for heat stroke? correct answers decreased response of
sweat glands due to thermoregulation
senile purpura correct answers discoloration due to increasing capillary fragility, ex. bruising
exstensively due to minor trauma
why does skin and hair develop a gray or white look in old age? correct answers decrease in the
number of functioning melanocytes
what kind of objective information does the skin hold? correct answers information about body
circulation, nutritional status, signs of systemic diseases, topical data on the integument itself
what does intertriginous areas mean? correct answers areas with skin folds
hypopigmentation correct answers areas of skin lacking color because of deficient amounts of
melanin
hyperpigmentation correct answers darkened areas of skin caused by excessive amounts of
melanin
senile lentigines correct answers liver spots, brown macules commonly found on the backs of
hands, forearms and face
vitligo correct answers a condition caused by the destruction of melanin that results in the
appearance of white patches on the skin (commonly the face, hands, legs, and genital areas)
erythema correct answers redness of the skin due to capillary dilation, expected in fever
hyperemia correct answers increased blood flow
