Results and stats for "Bone"
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Average score: 49.8
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Total plays: 4
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Related quizzes
Most correctly guessed answers
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Bones contain 99.9% of the body's stock of which mineral?
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Ca2+
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100.0%
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What is the mineral component of bones which makes them rigid?
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Hydroxyapatite
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100.0%
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What does the osteoclast do to bone?
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Destroys it
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100.0%
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What does the osteoblast do to bone?
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Synthesizes it
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100.0%
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[...] are cells which destroy bone.
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Osteoclasts
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100.0%
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[...] are cells which synthesize bone.
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Osteoblasts
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100.0%
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[...] bone contains red bone marrow.
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Spongy
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100.0%
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[...] bone contains yellow bone marrow.
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Compact
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100.0%
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The skeleton is completely renewed every [...] years.
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10
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100.0%
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The [...] is the cavity in the middle of a compact bone which contains yellow bone marrow.
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medullary, cavity
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100.0%
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Osteoclasts burrow through compact bones, leaving behind tunnels called [...].
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Haversian canals
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100.0%
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What is an osteocyte?
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Osteoblast after it has become imprisoned in bone matrix
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100.0%
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Osteoblasts lay down new bone matrix in concentric circles called [...].
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lamellae
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100.0%
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Osteocytes exhange nutrients through [...].
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canaliculi
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100.0%
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Osteocalcin is a marker of which tissue?
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Bone
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100.0%
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What are the 4 major types of cells found in bone?
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Osteoprogenitor
Osteoblast
Osteoclast
Osteocyte
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100.0%
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Which 2 ions are stored in bone?
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Ca2+
HPO(4)2-
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100.0%
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Is bone mineralized?
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Yes
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100.0%
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What are the 2 types of ossification processes?
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Endochondral
Intramembranous
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100.0%
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Which kind of ossification depends on cartilage?
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Endochondral
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100.0%
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What are 2 other names for spongy bone?
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Cancellous and trabecular
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100.0%
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Can bone grow appositionally?
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Yes
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100.0%
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Can bone grow interstitially?
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No
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100.0%
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The non-articular surface of bone is covered by [...].
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periosteum
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100.0%
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The medullary cavity of a bone is lined with [...].
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endosteum
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100.0%
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The [...] of the bone, between the diaphysis and the epiphysis, contains the growth plate.
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metaphysis
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100.0%
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Immature bone is [...] in type, while both compact and spongy bone are [...].
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woven, lamellar
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100.0%
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In spongy bone, lamellae are apposed to form [...].
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trabeculae
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100.0%
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In spongy bone, how are trabeculae arranged?
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Along lines of stress
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100.0%
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Osteoblasts secrete the enzyme [...], which neutralizes the inhibitory effects of pyrophosphate on Ca2+ deposition.
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alkaline phosphatase
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100.0%
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The ruffled border of osteoclasts is made of [...].
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microvilli
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100.0%
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Osteoclasts secrete [...] to demineralise bone matrix.
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H+
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100.0%
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Osteoclasts secrete [...] to degrade the organic components of bone matrix.
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lysosomal enzymes
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100.0%
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[...] ossification occurs when bone develops from a pre-existing cartilage model.
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Endochondral
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100.0%
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[...] ossification occurs when bone develops in mesenchyme.
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Intramembranous
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100.0%
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What is a medullary cavity?
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Cavity in a compact bone
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75.0%
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How long does newly formed bone matrix take to mineralise?
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48 hours
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75.0%
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Osteoclasts resorb bone and leave behind traces called [...].
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Howship's lacunae
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75.0%
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What is the chemical reaction which allows osteoclasts to degrade bone?
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H2O + CO2 --> HCO3- + H+
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75.0%
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The medullary cavity of a compact bone is filled with [...] bone marrow.
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yellow
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75.0%
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What is another name for compact bone?
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Dense
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75.0%
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Flat bones are a sandwich of [...] bone between 2 layers of [...] bone.
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spongy, compact
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75.0%
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A Haversian system/osteon is surrounded by a [...] of mineralized matrix.
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cement line
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75.0%
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Osteoprogenitor cells are derived from [...] stem cells.
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mesenchymal
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75.0%
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Where are osteoprogenitor cells found in spongy bone?
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Near blood vessels
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75.0%
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Where are osteoprogenitor cells found in compact bone?
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At the periosteum and the endosteum
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75.0%
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Calcium deposition in bone formation is [...]ted by pyrophosphate.
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inhibi
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75.0%
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[...] cells are found at the surface of bone when it is not being remodelled.
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Bone-lining
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75.0%
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Osteoclasts derive from [...] stem cells.
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haemopoeitic
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75.0%
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In the growth plate of a bone, the zone of [...] is where chondrocytes proliferate to give longitudinal columns.
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proliferation
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75.0%
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In the growth plate of a bone, the zone of [...] is where chondrocytes enlarge and the matrix calcifies.
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hypertrophy and calcification
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75.0%
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In the growth plate of a bone, the zone of [...] is where chondrocytes die and lacunae are invaded by osteoclasts, osteoprogenitor cells, and capillaries.
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degeneration
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75.0%
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In the growth plate of a bone, the [...] zone is where osteoblasts lay down bone on top of the remaining calcified cartilage.
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osteogenic
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75.0%
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Newly formed woven bone is also known as [...].
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primary spongiosum
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75.0%
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In the growth plate of a bone, the zone of [...] is where the chondrocytes are quiescent.
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reserve cartilage
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50.0%
