APC 100 / NPB 123 Midterm 1 | 100% Correct
Answers | Verified | Latest 2024 Version
What is the largest organ in the body? - ✔✔skin
Name 7 functions of the skin - ✔✔Protection, secretion, excretion, thermoregulation, metabolism,
sensation, respiration
Name the top layer of the skin - ✔✔epidermis
Name the middle layer of the skin - ✔✔dermis
Name the bottom layer of the skin - ✔✔hypodermis
Name the layers, in order, of the epidermis - ✔✔stratum corneum, lucidum, granulosum, spinosum,
basale
Which layer of the epidermis is made of dead cells? - ✔✔stratum corneum
Which layer of the epidermis is constantly shedding? - ✔✔stratum corneum
Which layer of the epidermis is only found in thick or hairless skin? - ✔✔stratum lucidum
Which layer of the epidermis has more proteins and lipids? - ✔✔stratum lucidum
Which layer of the epidermis creates keratohyaline granules as cells die? - ✔✔stratum granulosum
Which layers of the epidermis has the cell transformation phase? - ✔✔stratum granulosum, stratum
spinosum
, What special structure helps with attachment in the stratum spinosum? - ✔✔desmosomes
Which layer of the epidermis determines the thickness? - ✔✔stratum spinosum
What are the two possible shapes of cells in stratum basale? - ✔✔columnar, cuboidal
What are the intermediate filaments in statum basale that bind to basal lamina? - ✔✔hemidesmosomes
Which epidermal derivative distinguishes birds from all other vertebrates? - ✔✔feathers
____ have dermal scales, whicle _____ have epidermal scales - ✔✔Fish, reptiles
Horn growth is _____ while antler growth is _____ - ✔✔continuous, yearly
Sex: Horns are in ____ sexes, while anters are in ___ sexes. - ✔✔both, male
What are two ways in which fishy epidermis may differ from that of mammalian epidermis? - ✔✔Outer
layer of epidermis is living, There are only two layers
What is the specific layer that shapes the ridges for fingerprints? - ✔✔papillary layer of dermis
In which layer is melanin found? - ✔✔Stratum basale
What is the function of melanin? - ✔✔Protect skin from UV light
What is the function of keratin? - ✔✔Makes up hair, hooves, claws, nails, outer skin
Answers | Verified | Latest 2024 Version
What is the largest organ in the body? - ✔✔skin
Name 7 functions of the skin - ✔✔Protection, secretion, excretion, thermoregulation, metabolism,
sensation, respiration
Name the top layer of the skin - ✔✔epidermis
Name the middle layer of the skin - ✔✔dermis
Name the bottom layer of the skin - ✔✔hypodermis
Name the layers, in order, of the epidermis - ✔✔stratum corneum, lucidum, granulosum, spinosum,
basale
Which layer of the epidermis is made of dead cells? - ✔✔stratum corneum
Which layer of the epidermis is constantly shedding? - ✔✔stratum corneum
Which layer of the epidermis is only found in thick or hairless skin? - ✔✔stratum lucidum
Which layer of the epidermis has more proteins and lipids? - ✔✔stratum lucidum
Which layer of the epidermis creates keratohyaline granules as cells die? - ✔✔stratum granulosum
Which layers of the epidermis has the cell transformation phase? - ✔✔stratum granulosum, stratum
spinosum
, What special structure helps with attachment in the stratum spinosum? - ✔✔desmosomes
Which layer of the epidermis determines the thickness? - ✔✔stratum spinosum
What are the two possible shapes of cells in stratum basale? - ✔✔columnar, cuboidal
What are the intermediate filaments in statum basale that bind to basal lamina? - ✔✔hemidesmosomes
Which epidermal derivative distinguishes birds from all other vertebrates? - ✔✔feathers
____ have dermal scales, whicle _____ have epidermal scales - ✔✔Fish, reptiles
Horn growth is _____ while antler growth is _____ - ✔✔continuous, yearly
Sex: Horns are in ____ sexes, while anters are in ___ sexes. - ✔✔both, male
What are two ways in which fishy epidermis may differ from that of mammalian epidermis? - ✔✔Outer
layer of epidermis is living, There are only two layers
What is the specific layer that shapes the ridges for fingerprints? - ✔✔papillary layer of dermis
In which layer is melanin found? - ✔✔Stratum basale
What is the function of melanin? - ✔✔Protect skin from UV light
What is the function of keratin? - ✔✔Makes up hair, hooves, claws, nails, outer skin
