NSG 320: Integumentary System Exam
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Solutions | Latest Updated 2026
The integumentary system is the skin
body's largest organ system, hair
consisting of: nails
sweat and sebaceous glands
sensory receptors
what are the functions of the functions include protection,
integumentary system? thermoregulation,
metabolic activity, and immune defense
what are the different layers of the epidermis (outer layer)
skin? dermis (middle layer)
hypodermis (subcutaneous tissue)
describe the characteristics of the - composed of stratified squamous
epidermis epithelial cells
- avascular (no blood supply)
- contains keratinocytes and melanocytes
what are the different layers of the stratum basale
epidermis from deepest to stratum spinosum
surface? stratum granulosum
stratum lucidum
stratum corneum
, what happens in the stratum site of cell division and melanin production
basale - anchors epidermis to dermis
layer?
what happens in the stratum cells begin keratinization
spinosum layer? - langerhans cells active here
what happens in the stratum cells accumulate keratohyalin granules
granulosum? - begin to lose nuclei
what happens at the stratum - transparent layer of dead cells
lucidum * only in thick skin like palms or soles *
layer?
what happens in the stratum outermost layer of dead keratinized cells.
corneum layer? provides barrier function and
waterproofing.
what tissue does the dermis layer vascular connective tissue
contain? what does it contain? Contains:
- collagen and elastin fibers
- blood vessels
- nerve endings
- hair follicles
- sweat and sebaceous glands
what are the two different layers papillary layer
within the dermis? - loose connective tissue, capillaries.
reticular layer
- dense irregular connective tissue.
Questions and Answers with Verified
Solutions | Latest Updated 2026
The integumentary system is the skin
body's largest organ system, hair
consisting of: nails
sweat and sebaceous glands
sensory receptors
what are the functions of the functions include protection,
integumentary system? thermoregulation,
metabolic activity, and immune defense
what are the different layers of the epidermis (outer layer)
skin? dermis (middle layer)
hypodermis (subcutaneous tissue)
describe the characteristics of the - composed of stratified squamous
epidermis epithelial cells
- avascular (no blood supply)
- contains keratinocytes and melanocytes
what are the different layers of the stratum basale
epidermis from deepest to stratum spinosum
surface? stratum granulosum
stratum lucidum
stratum corneum
, what happens in the stratum site of cell division and melanin production
basale - anchors epidermis to dermis
layer?
what happens in the stratum cells begin keratinization
spinosum layer? - langerhans cells active here
what happens in the stratum cells accumulate keratohyalin granules
granulosum? - begin to lose nuclei
what happens at the stratum - transparent layer of dead cells
lucidum * only in thick skin like palms or soles *
layer?
what happens in the stratum outermost layer of dead keratinized cells.
corneum layer? provides barrier function and
waterproofing.
what tissue does the dermis layer vascular connective tissue
contain? what does it contain? Contains:
- collagen and elastin fibers
- blood vessels
- nerve endings
- hair follicles
- sweat and sebaceous glands
what are the two different layers papillary layer
within the dermis? - loose connective tissue, capillaries.
reticular layer
- dense irregular connective tissue.