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EXSC 223 Exam 2 Questions and Answers 100% Solved | Graded A+
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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 pl...

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  • December 23, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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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


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©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

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©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

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