(Complete) Pathophysiology of the
integumentary system EXAM Questions And
Answers Latest Update 2024 graded A+ all units
covered Accurate Spring-Summer REAL
/AUTHENTIC
The dermis is the _____ layer of the skin - ANSWER: middle
these produce an oily substance that lubricates and provides protection from
bacteria - ANSWER: sabeccous glands
________ detect touch stimuli and transmit these signals to sensory nerves -
ANSWER: merkel cells
ultraviolet radiation from sunlight causes skin to produce _____, which the liver and
kidneys modify to promote bone development - ANSWER: vitamin D
Hair growth occurs when cell in the _____ at the base of the bulb, divide and push
over - ANSWER: hair matrix
nails are hard plates of dead epidermal cells that have been converted too -
ANSWER: keratin
when scarring occurs after a deep wound, healed tissue: - ANSWER: loses it's normal
function
during integumentary innervation, sensory receptors in the skin pass signals to -
ANSWER: nerves of the peripheral system
blood vessels carry ______ to the site of tissue damage causing fibrous clots to form.
- ANSWER: platelets
2 major layers of skin - ANSWER: dermis and epidermis
which of the following distinguishes between epidermis and dermis? - ANSWER:
epidermis is epithelial tissue and dermis is connective tissue
what are the 3 layer? - ANSWER: epidermis, dermis, and hypodermis
Epidermis contains no - ANSWER: blood vessels
Kertinocytes - ANSWER: produce keratin
keratinocytes is __% of epithelial skin cells - ANSWER: 90%
, melanocytes - ANSWER: produce the pigment melanin
melanocytes is _% of epithelial skin cells - ANSWER: 8
langerhan cells - ANSWER: from bone marrow, provide immunity
merkel cells - ANSWER: form sensitive touch receptors with sensory neuron
the stratum basale - ANSWER: the deepest layer of the epidermis consisting of stem
cells capable of undergoing cell division to form new cells
the stratum spinosum - ANSWER: provides strength and flexibility to the skin
how many layers of skin is the stratum spinosum - ANSWER: 8-10
stratum granulousum - ANSWER: show nuclear degeneration
what kind of layers are stratum granulousum - ANSWER: 3-5 layers of flat dying cells
stratum lucidum - ANSWER: seen in thick skin on palms and soles of feet
stratum corneum - ANSWER: is the most superficial layer and consists of dead cells.
25-30 layers
what is the purpose of a skin graft? - ANSWER: covering of wound with a piece of
healthy skin
2 major regions of dermis - ANSWER: papillary layer and reticular layer
papillary layer - ANSWER: Loose connective tissue
function of the papillary layer - ANSWER: anchors epidermis to dermis
the reticular layer - ANSWER: deepest skin layer
function of reticular layer - ANSWER: the collagen and elastic fibers provide strength
and elasticity
Melanin is produced by - ANSWER: melanocytes in the epidermis
melanocytes has the _____ number for everybody but...... - ANSWER: same but
different amount of pigments produced
Melanocytes convert - ANSWER: tyrosine to melanin
carotene in the dermis - ANSWER: yellow-orange pigment (precursor of vitamin A)
integumentary system EXAM Questions And
Answers Latest Update 2024 graded A+ all units
covered Accurate Spring-Summer REAL
/AUTHENTIC
The dermis is the _____ layer of the skin - ANSWER: middle
these produce an oily substance that lubricates and provides protection from
bacteria - ANSWER: sabeccous glands
________ detect touch stimuli and transmit these signals to sensory nerves -
ANSWER: merkel cells
ultraviolet radiation from sunlight causes skin to produce _____, which the liver and
kidneys modify to promote bone development - ANSWER: vitamin D
Hair growth occurs when cell in the _____ at the base of the bulb, divide and push
over - ANSWER: hair matrix
nails are hard plates of dead epidermal cells that have been converted too -
ANSWER: keratin
when scarring occurs after a deep wound, healed tissue: - ANSWER: loses it's normal
function
during integumentary innervation, sensory receptors in the skin pass signals to -
ANSWER: nerves of the peripheral system
blood vessels carry ______ to the site of tissue damage causing fibrous clots to form.
- ANSWER: platelets
2 major layers of skin - ANSWER: dermis and epidermis
which of the following distinguishes between epidermis and dermis? - ANSWER:
epidermis is epithelial tissue and dermis is connective tissue
what are the 3 layer? - ANSWER: epidermis, dermis, and hypodermis
Epidermis contains no - ANSWER: blood vessels
Kertinocytes - ANSWER: produce keratin
keratinocytes is __% of epithelial skin cells - ANSWER: 90%
, melanocytes - ANSWER: produce the pigment melanin
melanocytes is _% of epithelial skin cells - ANSWER: 8
langerhan cells - ANSWER: from bone marrow, provide immunity
merkel cells - ANSWER: form sensitive touch receptors with sensory neuron
the stratum basale - ANSWER: the deepest layer of the epidermis consisting of stem
cells capable of undergoing cell division to form new cells
the stratum spinosum - ANSWER: provides strength and flexibility to the skin
how many layers of skin is the stratum spinosum - ANSWER: 8-10
stratum granulousum - ANSWER: show nuclear degeneration
what kind of layers are stratum granulousum - ANSWER: 3-5 layers of flat dying cells
stratum lucidum - ANSWER: seen in thick skin on palms and soles of feet
stratum corneum - ANSWER: is the most superficial layer and consists of dead cells.
25-30 layers
what is the purpose of a skin graft? - ANSWER: covering of wound with a piece of
healthy skin
2 major regions of dermis - ANSWER: papillary layer and reticular layer
papillary layer - ANSWER: Loose connective tissue
function of the papillary layer - ANSWER: anchors epidermis to dermis
the reticular layer - ANSWER: deepest skin layer
function of reticular layer - ANSWER: the collagen and elastic fibers provide strength
and elasticity
Melanin is produced by - ANSWER: melanocytes in the epidermis
melanocytes has the _____ number for everybody but...... - ANSWER: same but
different amount of pigments produced
Melanocytes convert - ANSWER: tyrosine to melanin
carotene in the dermis - ANSWER: yellow-orange pigment (precursor of vitamin A)
