Page 1 of 41
BIO 210 LECTURE EXAM 2 PRACTICE QUESTIONS
AND ANSWERS [VERIFIED]
Terms in this set (258) Q & A
>> Integumentary system
-answer- consist of skin and its derivatives
>> The integument
-answer- is the skin covering the body
>> the integument
-answer- also known as the cutaneous membrane
>> Dermatology
-answer- its scientific study and treatment of the integumentary system
>> The integument
-answer- the body's largest organ
>> Layers of the skin
-answer- epidermis, dermis, subcutaneous layer(not considered in the integument)
, Page 2 of 41
>> Epidermis
-answer- stratified squamous epithelium
>> Dermis
-answer- deep layer, primarily dense irregular connective tissue
>> Subcutaneous layer
-answer- deep to dermis, Layer of areolar and other connective tissue, hypodermis or
superficial fascia, Not part of the integument(true skin) but is still part of integumentary
system
>> Thick skin
-answer- on the palms of hands, soles of feet and surfaces of fingers and toes, All five layers of
the epidermal strata, Has sweat glands
>> thick skin
-answer- has no hair follicles or sebaceous glands
>> Thin skin
-answer- lacks a stratum lucidum, has sweat glands, hair follicles and sebaceous glands
, Page 3 of 41
>> Hemoglobin
-answer- an oxygen binding compound, Bright red color upon binding oxygen, More visible
when blood vessels dilate
>> Melanin
-answer- black, brown, tan, yellow-brown shades
>> Melanocytes
-answer- pigment of melanin is produced and stored here
>> UV light
-answer- stimulating melanin production
>> melanin
-answer- darker skinned producing more and dark colored
>> Carotene
-answer- yellow, orange pigment, acquired from yellow-orange vegetables, converted to
vitamin A within the body
>> Nevus
-answer- a mole, harmless overgrowth of melanin forming cells
, Page 4 of 41
>> Freckle
-answer- yellowish brown spots, represent localized areas of increased melanocyte activity
>> Hemangioma
-answer- skin discoloration due to benign blood vessel tumor
>> Capillary hemangiomas
-answer- usually present at birth and disappear in childhood, strawberry colored birthmarks
>> Cavernous hemangiomas
-answer- may last a lifetime, port-wine stains
>> Friction ridges
-answer- complex arches and whorls on finger, palms, soles, and toes, formed from large folds
and valleys of the dermis and epidermis, interlocking of epidermal ridges and dermal papilla,
help increase fiction on contact, each individual with unique pattern of these
>> Dermis
-answer- deep to the epidermis, composed of connective tissue
>> Two layersof the dermis
-answer- papillary and reticular layer
BIO 210 LECTURE EXAM 2 PRACTICE QUESTIONS
AND ANSWERS [VERIFIED]
Terms in this set (258) Q & A
>> Integumentary system
-answer- consist of skin and its derivatives
>> The integument
-answer- is the skin covering the body
>> the integument
-answer- also known as the cutaneous membrane
>> Dermatology
-answer- its scientific study and treatment of the integumentary system
>> The integument
-answer- the body's largest organ
>> Layers of the skin
-answer- epidermis, dermis, subcutaneous layer(not considered in the integument)
, Page 2 of 41
>> Epidermis
-answer- stratified squamous epithelium
>> Dermis
-answer- deep layer, primarily dense irregular connective tissue
>> Subcutaneous layer
-answer- deep to dermis, Layer of areolar and other connective tissue, hypodermis or
superficial fascia, Not part of the integument(true skin) but is still part of integumentary
system
>> Thick skin
-answer- on the palms of hands, soles of feet and surfaces of fingers and toes, All five layers of
the epidermal strata, Has sweat glands
>> thick skin
-answer- has no hair follicles or sebaceous glands
>> Thin skin
-answer- lacks a stratum lucidum, has sweat glands, hair follicles and sebaceous glands
, Page 3 of 41
>> Hemoglobin
-answer- an oxygen binding compound, Bright red color upon binding oxygen, More visible
when blood vessels dilate
>> Melanin
-answer- black, brown, tan, yellow-brown shades
>> Melanocytes
-answer- pigment of melanin is produced and stored here
>> UV light
-answer- stimulating melanin production
>> melanin
-answer- darker skinned producing more and dark colored
>> Carotene
-answer- yellow, orange pigment, acquired from yellow-orange vegetables, converted to
vitamin A within the body
>> Nevus
-answer- a mole, harmless overgrowth of melanin forming cells
, Page 4 of 41
>> Freckle
-answer- yellowish brown spots, represent localized areas of increased melanocyte activity
>> Hemangioma
-answer- skin discoloration due to benign blood vessel tumor
>> Capillary hemangiomas
-answer- usually present at birth and disappear in childhood, strawberry colored birthmarks
>> Cavernous hemangiomas
-answer- may last a lifetime, port-wine stains
>> Friction ridges
-answer- complex arches and whorls on finger, palms, soles, and toes, formed from large folds
and valleys of the dermis and epidermis, interlocking of epidermal ridges and dermal papilla,
help increase fiction on contact, each individual with unique pattern of these
>> Dermis
-answer- deep to the epidermis, composed of connective tissue
>> Two layersof the dermis
-answer- papillary and reticular layer