11287286
Descrição
Quiz por Michael Jardine, atualizado more than 1 year ago
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Criado por Michael Jardine
quase 7 anos atrás
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Questão 1
Questão
Trabecular vs cortical bone. Trabecular AKA [blank_start]__________[blank_end]; Cortical AKA [blank_start]__________[blank_end].
Responda
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Cancellous
-
Compact
Questão 2
Questão
Bone matrix composition. Which of the following [mainly] gives bones its TENSILE strength:
Responda
-
Collagen
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Non-collagenous proteins
-
Bone mineral (Calcium & Phosphate as hydroxyapatite)
Questão 3
Questão
Bone matrix composition. Which of the following [mainly] gives bones its COMPRESSIVE strength:
Responda
-
Collagen
-
Non-collagenous protein
-
Bone mineral (Calcium & Phosphate as hydroxyapatite)
Questão 4
Questão
90% of bone cells are [blank_start]__________[blank_end] and are [blank_start]__________[blank_end].
Responda
-
Osteocytes
-
Osteoblasts
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Lining Cells
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Collagen
-
Long-lived
-
Short-lived
-
Osteoclasts
Questão 5
Questão
Which of the following are involved in FORMING bone:
Responda
-
Osteoblasts
-
Osteocytes
-
Lining Cells
-
Osteoclasts
-
Collagen
Questão 6
Questão
Which of the following are involved in RESORBING bone:
Responda
-
Osteoblasts
-
Osteoclasts
-
Osteocytes
-
Lining Cells
-
Collagen
Questão 7
Questão
Which bone cells are the ones that are embedded in the bone matrix and involved in sensing mechanical forces (and/or apoptosing to trigger resorption)?
Responda
-
Osteocytes
-
Osteoclasts
-
Osteoblasts
-
Lining Cells
Questão 8
Questão
OPG = ??
Responda
-
OsteoProteGerin
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OsteoProGeterin
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OsteoProGerin
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OsteoProteGeterin
Questão 9
Questão
Classical Wnt pathway in bone. Wnt pathway allows [blank_start]__________[blank_end] to control bone mass – e.g. more mechanical force, more bending of bone, sensed by [above], less production of Sclerostin, more bone added.
Responda
-
Osteocytes
-
Osteoclasts
-
Osteoblasts
-
Lining Cells
Questão 10
Questão
RANKL = ??
Responda
-
Receptor Activator of Nuclear factor Kappa-B Ligand
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Receptor Activator of Necrotic factor Kappa-B Ligand
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Receptor Activator of Nuclear factor Kappa-A Ligand
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Receptor Activator of Necrotic factor Kappa-A Ligand
Questão 11
Questão
Bone formation depends [most directly] on [blank_start]__________[blank_end] (numbers, activity, lifespan); Bone resorption depends [most directly] on [blank_start]__________[blank_end] (numbers, activity, lifespan).
Responda
-
Osteoblast
-
Osteoclast
-
Osteocyte
-
Lining Cell
Questão 12
Questão
Match the following bone* cells to their function:
Amelobasts = [blank_start]__________[blank_end];
Cementoblasts = [blank_start]__________[blank_end];
Odontoblasts = [blank_start]__________[blank_end];
Osteoblasts = [blank_start]__________[blank_end];
Responda
-
Enamel
-
Cementum
-
Dentine
-
Alveolar bone
Questão 13
Questão
Cells of teeth: Ameloblasts lay down [blank_start]__________[blank_end], are [blank_start]__________[blank_end]; and [blank_start]__________[blank_end] have (do?) regeneration.
Responda
-
Enamel
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Dentine
-
Cementum
-
Big closely-packed hydroxyapatite crztlz
-
Collagen fibres
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Don't
-
Do
Questão 14
Questão
Cells of teeth: Cementoblasts lay down [blank_start]__________[blank_end]; are [blank_start]__________[blank_end];.
Responda
-
Cementum
-
Dentine
-
Enamel
-
Collagen fibres in periodontal ligament
-
Big closely packed hydroxyapatite crztlz
Questão 15
Questão
Which of the following are used for assessing bone?
Responda
-
Bone Densitometry
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Ultrasound
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Biopsy
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Hitting with a sledgehammer and seeing whether it breaks (hint: technically true)
Questão 16
Questão
What are caries?
Responda
-
Cavities, possibly arising from bacteria and/or food
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Not “cavities”, but possibly arising from bacteria and/or food
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