11287286
Description
Quiz by Michael Jardine, updated more than 1 year ago
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Created by Michael Jardine
almost 9 years ago
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Question 1
Question
Trabecular vs cortical bone. Trabecular AKA [blank_start]__________[blank_end]; Cortical AKA [blank_start]__________[blank_end].
Answer
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Cancellous
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Compact
Question 2
Question
Bone matrix composition. Which of the following [mainly] gives bones its TENSILE strength:
Answer
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Collagen
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Non-collagenous proteins
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Bone mineral (Calcium & Phosphate as hydroxyapatite)
Question 3
Question
Bone matrix composition. Which of the following [mainly] gives bones its COMPRESSIVE strength:
Answer
-
Collagen
-
Non-collagenous protein
-
Bone mineral (Calcium & Phosphate as hydroxyapatite)
Question 4
Question
90% of bone cells are [blank_start]__________[blank_end] and are [blank_start]__________[blank_end].
Answer
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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
Question 5
Question
Which of the following are involved in FORMING bone:
Answer
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Osteoblasts
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Osteocytes
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Lining Cells
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Osteoclasts
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Collagen
Question 6
Question
Which of the following are involved in RESORBING bone:
Answer
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Osteoblasts
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Osteoclasts
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Osteocytes
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Lining Cells
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Collagen
Question 7
Question
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)?
Answer
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Osteocytes
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Osteoclasts
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Osteoblasts
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Lining Cells
Question 8
Question
OPG = ??
Answer
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OsteoProteGerin
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OsteoProGeterin
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OsteoProGerin
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OsteoProteGeterin
Question 9
Question
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.
Answer
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Osteocytes
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Osteoclasts
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Osteoblasts
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Lining Cells
Question 10
Question
RANKL = ??
Answer
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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
Question 11
Question
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).
Answer
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Osteoblast
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Osteoclast
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Osteocyte
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Lining Cell
Question 12
Question
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];
Answer
-
Enamel
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Cementum
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Dentine
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Alveolar bone
Question 13
Question
Cells of teeth: Ameloblasts lay down [blank_start]__________[blank_end], are [blank_start]__________[blank_end]; and [blank_start]__________[blank_end] have (do?) regeneration.
Answer
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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
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Do
Question 14
Question
Cells of teeth: Cementoblasts lay down [blank_start]__________[blank_end]; are [blank_start]__________[blank_end];.
Answer
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Cementum
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Dentine
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Enamel
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Collagen fibres in periodontal ligament
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Big closely packed hydroxyapatite crztlz
Question 15
Question
Which of the following are used for assessing bone?
Answer
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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)
Question 16
Question
What are caries?
Answer
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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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