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PSIO 201Exam 2 University of Arizona 81 Questions and Answers Great Solutions $14.49   Add to cart

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PSIO 201Exam 2 University of Arizona 81 Questions and Answers Great Solutions

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PSIO 201--Exam 2-- University of Arizona (81 Questions and Answers) Great Solutions. Bone Types Periosteum Endosteum Why is bone considered an organ? Osteogenic Cells Osteoblasts Osteocytes Osteoclasts Bone Modeling Bone Remodeling Cartilage Tissue Bone Tissue Collagen Minerals Ricke...

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  • March 26, 2024
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PSIO 201--Exam 2-- University of Arizona (81
Questions and Answers) Great Solutions.

1). Bone types

 Ans: Long, Short, Flat, Irregular, Sesamoid, Sutural, Pneumatized


2). Periosteum

 Ans: Covers external surface of bone


3). Endosteum

 Ans: Lines inner surface of bone, contains osteogenic cells


4). Why is bone considered an organ?

 Ans: It contains osseous (connective) tissue, blood vessels, nerves, lymphatic vessels,
cartilage, and connective tissue coverings


5). Osteogenic cells

 Ans: Stem cells formed from mesenchyme (embryonic connective tissue)


6). Osteoblasts

 Ans: Build bone


7). Osteocytes

 Ans: Maintenance of bone


8). Osteoclasts

 Ans: Break down bone



Bone modeling


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, 9).
 Ans: Bone formed by osteoblasts without prior bone resorption


10). Bone remodeling

 Ans: Bone resorbed by osteoclasts and then formed by osteoblasts


11). Cartilage tissue

 Ans: Chondrocytes; gel-like substance containing proteoglycan, elastic, collagen, or
reticular fibers


12). Bone tissue

 Ans: Osteocytes; solid ground substance containing proteoglycans, collagen elastic
fibers, hydroxyapatite


13). Collagen

 Ans: Provides flexibility & resistance to tension


14). Minerals

 Ans: Provide firmness (resistance to compression)


15). Rickets (inorganic)

 Ans: Calcium deficiency due to lack of vitamin D leads to flexible bones (bowed legs)


16). Scurvy (organic)

 Ans: Vitamin C deficiency impairs collagen synthesis and leads to brittle bones


17). Sponge bone organization

 Ans: Irregular lattice of thin plates called trabeculae; Osteocytes house in lacunae




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