EXSC 223 Exam 2 Questions and
Answers 100% Solved | Graded A+
What is the most abundant type of cartilage in the body? - ✔✔hyaline
T or F? each consecutive bone lamella has collagen fibers that wrap in
alternating directions. - ✔✔true
which hormone results in the demineralization of one and may play a role in
osteoporosis? - ✔✔parathyroid hormone
T or F? the diaphysis of a long bone is capped on either end by epiphyses.
- ✔✔true
the primary cell responsible for secreting the matrix of new cartilage is the
______ - ✔✔chondroblast
which bone cell type is responsible for maintenance of existing bone? -
✔✔osteocyte
intramembranous ossification is the formation of - ✔✔flat bones
laying down new matrix on the outside of cartilage - ✔✔apositional growth
what kind of bone contains red marrow in adults? - ✔✔spongy bone
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,all types of cartilage contain - ✔✔collagen
hair thinning due to the slower replacement of shed hairs is called -
✔✔alopecia
T or F? split ends are due to the hair cortex seperating - ✔✔false
cell type responsible for hair color - ✔✔Melanocytes
which is the more deadly type of skin cancer to have? - ✔✔melanoma
which layer of cells in the epidermis contains melanocytes? - ✔✔stratum
basale
eccrine sweat glands are used for - ✔✔thermoregulation
blistering skin is a sign of - ✔✔second-degree burns
which cell type is responsible for skin color? - ✔✔melanocyte
There are ____ main functions of the skin - ✔✔six
functions of the skin - ✔✔protection, body temperature regulation,
cutaneous sensation, metabolic functions, blood reservoir, excretion
the skin can also be called - ✔✔integument
how many distinct layers does the skin have? - ✔✔two
What are the two layers of the skin? - ✔✔epidermis and dermis
stratified squamous epithelium layer - ✔✔epidermis
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, connective tissue proper layer - ✔✔dermis
below dermis, not a part of the skin - ✔✔hypodermis
how many types of cells make up the epidermis? - ✔✔four
4 cell types of the epidermis - ✔✔keratinocytes, melanocytes, langerhans
cells, merkel cells
which epidermis cell produces keratin? - ✔✔keratinocytes
keratinocytes are connected by _____ - ✔✔desmosomes
keratinocytes arise from a deeper _________ layer - ✔✔mitotically active
keratinocytes are dead where? - ✔✔at the surface
how long is the turnover for keratinocytes? - ✔✔25-45 days
what kind of epedermis cell activates the immune system? - ✔✔langerhans
cells
langerhans cells are also known as _____ cells - ✔✔dendritic
what kind of epidermis cells are associated with sensory nerve endings? -
✔✔merkel cells
merkel cells are a receptor for _____ - ✔✔touch
what kind of epidermis cells synthesize melanin? - ✔✔melanocytes
melanocytes are found in the _____ layers. - ✔✔deepest
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Answers 100% Solved | Graded A+
What is the most abundant type of cartilage in the body? - ✔✔hyaline
T or F? each consecutive bone lamella has collagen fibers that wrap in
alternating directions. - ✔✔true
which hormone results in the demineralization of one and may play a role in
osteoporosis? - ✔✔parathyroid hormone
T or F? the diaphysis of a long bone is capped on either end by epiphyses.
- ✔✔true
the primary cell responsible for secreting the matrix of new cartilage is the
______ - ✔✔chondroblast
which bone cell type is responsible for maintenance of existing bone? -
✔✔osteocyte
intramembranous ossification is the formation of - ✔✔flat bones
laying down new matrix on the outside of cartilage - ✔✔apositional growth
what kind of bone contains red marrow in adults? - ✔✔spongy bone
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,all types of cartilage contain - ✔✔collagen
hair thinning due to the slower replacement of shed hairs is called -
✔✔alopecia
T or F? split ends are due to the hair cortex seperating - ✔✔false
cell type responsible for hair color - ✔✔Melanocytes
which is the more deadly type of skin cancer to have? - ✔✔melanoma
which layer of cells in the epidermis contains melanocytes? - ✔✔stratum
basale
eccrine sweat glands are used for - ✔✔thermoregulation
blistering skin is a sign of - ✔✔second-degree burns
which cell type is responsible for skin color? - ✔✔melanocyte
There are ____ main functions of the skin - ✔✔six
functions of the skin - ✔✔protection, body temperature regulation,
cutaneous sensation, metabolic functions, blood reservoir, excretion
the skin can also be called - ✔✔integument
how many distinct layers does the skin have? - ✔✔two
What are the two layers of the skin? - ✔✔epidermis and dermis
stratified squamous epithelium layer - ✔✔epidermis
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, connective tissue proper layer - ✔✔dermis
below dermis, not a part of the skin - ✔✔hypodermis
how many types of cells make up the epidermis? - ✔✔four
4 cell types of the epidermis - ✔✔keratinocytes, melanocytes, langerhans
cells, merkel cells
which epidermis cell produces keratin? - ✔✔keratinocytes
keratinocytes are connected by _____ - ✔✔desmosomes
keratinocytes arise from a deeper _________ layer - ✔✔mitotically active
keratinocytes are dead where? - ✔✔at the surface
how long is the turnover for keratinocytes? - ✔✔25-45 days
what kind of epedermis cell activates the immune system? - ✔✔langerhans
cells
langerhans cells are also known as _____ cells - ✔✔dendritic
what kind of epidermis cells are associated with sensory nerve endings? -
✔✔merkel cells
merkel cells are a receptor for _____ - ✔✔touch
what kind of epidermis cells synthesize melanin? - ✔✔melanocytes
melanocytes are found in the _____ layers. - ✔✔deepest
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
