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0 [{"id":137721,"quiz_id":"8756","answer_id":null,"answerType_id":"0","created_at":"2016-12-06 14:14:52","updated_at":"2017-05-18 17:53:47","questionName":"What is the tunnel structure at the centre of a Haversion system (osteon) called?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":16,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":137729,"quiz_id":"8756","answer_id":null,"answerType_id":"2","created_at":"2016-12-06 14:34:35","updated_at":"2017-05-18 17:53:47","questionName":"Match the bone cell types!","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":24,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":137727,"quiz_id":"8756","answer_id":null,"answerType_id":"0","created_at":"2016-12-06 14:27:45","updated_at":"2017-05-18 17:53:47","questionName":"Which protein, unique to the bone matrix, binds to hydroxyapatite crystals and bind osteoblasts to the bone matrix?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":22,"explanation":"Secreted by osteoblasts","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":137733,"quiz_id":"8756","answer_id":null,"answerType_id":"0","created_at":"2016-12-06 14:46:31","updated_at":"2017-05-18 17:53:47","questionName":"Regarding endochondral ossification, which of the following statements is untrue?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":28,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":137720,"quiz_id":"8756","answer_id":null,"answerType_id":"0","created_at":"2016-12-06 14:10:39","updated_at":"2017-05-18 17:53:47","questionName":"What is bone derived from?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":15,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":137723,"quiz_id":"8756","answer_id":null,"answerType_id":"0","created_at":"2016-12-06 14:18:23","updated_at":"2017-05-18 17:53:47","questionName":"What is the outer lining of a Haversion system (osteon) called, which anatomically differentiates it from surrounding tissue?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":18,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":137722,"quiz_id":"8756","answer_id":null,"answerType_id":"0","created_at":"2016-12-06 14:16:32","updated_at":"2017-05-18 17:53:47","questionName":"Osteocytes in mature bone are connected to each other via what?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":17,"explanation":"Osteocytes sit in lacunae and are connected via cannaliculi","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":137730,"quiz_id":"8756","answer_id":null,"answerType_id":"0","created_at":"2016-12-06 14:37:21","updated_at":"2017-05-18 17:53:47","questionName":"Osteoclasts secrete a number of substances in the process of reabsorbing bone. Which of the below is not one of those?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":25,"explanation":"Osteocalcin is involved in bone growth. Osteoclasts secrete H+ and Cl- ions to create acidic environment for solubilising bone matrix.Osteoclasts then secrete Cathepsin K protease into subosteoclastic compartment to degrade collagen and proteins","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":137724,"quiz_id":"8756","answer_id":null,"answerType_id":"0","created_at":"2016-12-06 14:19:56","updated_at":"2017-05-18 17:53:47","questionName":"What are Haversion systems surrounded by?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":19,"explanation":"Circumferential lamellae and interstitial lamellae","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":137735,"quiz_id":"8756","answer_id":null,"answerType_id":"0","created_at":"2016-12-06 14:48:11","updated_at":"2017-05-18 17:53:47","questionName":"During intramembranous ossification, what to osteoblasts secrete?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":29,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":137725,"quiz_id":"8756","answer_id":null,"answerType_id":"0","created_at":"2016-12-06 14:22:19","updated_at":"2017-05-18 17:53:47","questionName":"Haversion systems (osteons) are a feature of what type of bone?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":20,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":137732,"quiz_id":"8756","answer_id":null,"answerType_id":"0","created_at":"2016-12-06 14:43:53","updated_at":"2017-05-18 17:53:47","questionName":"Which of the following statements is untrue regarding intramembranous ossification?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":27,"explanation":"Most bones form via ENDOCHONDRAL ossification (cartilage template)","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":137728,"quiz_id":"8756","answer_id":null,"answerType_id":"0","created_at":"2016-12-06 14:32:11","updated_at":"2017-05-18 17:53:47","questionName":"For bone matrix to form, a crystal nuclei must be present. But what substance in normal tissue prevents this?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":23,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":137726,"quiz_id":"8756","answer_id":null,"answerType_id":"0","created_at":"2016-12-06 14:25:09","updated_at":"2017-05-18 17:53:47","questionName":"How do osteoblasts initiate bone formation?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":21,"explanation":"Vesicles deposit hydroxyapatite (inorganic) and collagen (organic) is also secreted along with proteins and proteoglycans","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":137731,"quiz_id":"8756","answer_id":null,"answerType_id":"0","created_at":"2016-12-06 14:41:32","updated_at":"2017-05-18 17:53:47","questionName":"Which of the following is not a method of ossification?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":26,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null}]
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What is the tunnel structure at the centre of a Haversion system (osteon) called?

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