11287286
Descripción
Test por Michael Jardine, actualizado hace más de 1 año
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Creado por Michael Jardine
hace casi 7 años
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Pregunta 1
Pregunta
Trabecular vs cortical bone. Trabecular AKA [blank_start]__________[blank_end]; Cortical AKA [blank_start]__________[blank_end].
Respuesta
-
Cancellous
-
Compact
Pregunta 2
Pregunta
Bone matrix composition. Which of the following [mainly] gives bones its TENSILE strength:
Respuesta
-
Collagen
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Non-collagenous proteins
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Bone mineral (Calcium & Phosphate as hydroxyapatite)
Pregunta 3
Pregunta
Bone matrix composition. Which of the following [mainly] gives bones its COMPRESSIVE strength:
Respuesta
-
Collagen
-
Non-collagenous protein
-
Bone mineral (Calcium & Phosphate as hydroxyapatite)
Pregunta 4
Pregunta
90% of bone cells are [blank_start]__________[blank_end] and are [blank_start]__________[blank_end].
Respuesta
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Osteocytes
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Osteoblasts
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Lining Cells
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Collagen
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Long-lived
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Short-lived
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Osteoclasts
Pregunta 5
Pregunta
Which of the following are involved in FORMING bone:
Respuesta
-
Osteoblasts
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Osteocytes
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Lining Cells
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Osteoclasts
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Collagen
Pregunta 6
Pregunta
Which of the following are involved in RESORBING bone:
Respuesta
-
Osteoblasts
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Osteoclasts
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Osteocytes
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Lining Cells
-
Collagen
Pregunta 7
Pregunta
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)?
Respuesta
-
Osteocytes
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Osteoclasts
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Osteoblasts
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Lining Cells
Pregunta 8
Pregunta
OPG = ??
Respuesta
-
OsteoProteGerin
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OsteoProGeterin
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OsteoProGerin
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OsteoProteGeterin
Pregunta 9
Pregunta
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.
Respuesta
-
Osteocytes
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Osteoclasts
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Osteoblasts
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Lining Cells
Pregunta 10
Pregunta
RANKL = ??
Respuesta
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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
Pregunta 11
Pregunta
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).
Respuesta
-
Osteoblast
-
Osteoclast
-
Osteocyte
-
Lining Cell
Pregunta 12
Pregunta
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];
Respuesta
-
Enamel
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Cementum
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Dentine
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Alveolar bone
Pregunta 13
Pregunta
Cells of teeth: Ameloblasts lay down [blank_start]__________[blank_end], are [blank_start]__________[blank_end]; and [blank_start]__________[blank_end] have (do?) regeneration.
Respuesta
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Enamel
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Dentine
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Cementum
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Big closely-packed hydroxyapatite crztlz
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Collagen fibres
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Don't
-
Do
Pregunta 14
Pregunta
Cells of teeth: Cementoblasts lay down [blank_start]__________[blank_end]; are [blank_start]__________[blank_end];.
Respuesta
-
Cementum
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Dentine
-
Enamel
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Collagen fibres in periodontal ligament
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Big closely packed hydroxyapatite crztlz
Pregunta 15
Pregunta
Which of the following are used for assessing bone?
Respuesta
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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)
Pregunta 16
Pregunta
What are caries?
Respuesta
-
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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