{"id":37481,"date":"2026-09-07T12:56:46","date_gmt":"2026-09-07T07:26:46","guid":{"rendered":"https:\/\/atsixty.com\/?p=37481"},"modified":"2026-09-07T12:56:54","modified_gmt":"2026-09-07T07:26:54","slug":"rheumatoid-arthritis-quiz","status":"publish","type":"post","link":"https:\/\/atsixty.com\/index.php\/uncategorized\/rheumatoid-arthritis-quiz\/","title":{"rendered":"Rheumatoid Arthritis Quiz"},"content":{"rendered":"        <div id=\"avinquiz-container-3\">\n            <div style=\"background:#f0f6fc;padding:15px;margin-bottom:20px;border-radius:5px;border-left:4px solid #2271b1;\">\n                <h2 style=\"margin:0 0 5px;color:#2271b1;\">Rheumatology<\/h2>\n                <p style=\"margin:0;color:#666;\">Questions: 5<\/p>\n            <\/div>\n\n            <form id=\"avinquiz-form-3\">\n                <input type=\"hidden\" name=\"quiz_id\" value=\"3\">\n                <input type=\"hidden\" name=\"quiz_name\" value=\"Rheumatology\">\n                <input type=\"hidden\" name=\"start_time\" id=\"avinquiz-start-time\" value=\"\">\n                                        <div style=\"background:#f9f9f9;padding:20px;margin-bottom:20px;border-radius:5px;border-left:4px solid #0073aa;\">\n                            <h3 style=\"margin-top:0;color:#0073aa;\">Question 1<\/h3>\n                            <div style=\"line-height:1.8;margin:15px 0;\">\n                                #6. What percentage of body weight does the adult skeleton account for?<br \/>\r\n<br \/>\r\nA) 8% <br \/>\r\nB) 12% <br \/>\r\nC) 15% <br \/>\r\nD) 20%                            <\/div>\n                                                        <div style=\"margin-top:15px;\">\n                                <label style=\"font-weight:bold;\">\n                                    Your Answer (0\u20135):                                <\/label>\n                                                                    <!-- MC: text input enforced to 0-5 only via JS, no keyboard bypass -->\n                                    <input type=\"text\"\n                                           name=\"answer_28\"\n                                           id=\"mc_28\"\n                                           data-type=\"multiple_choice\"\n                                           maxlength=\"1\"\n                                           inputmode=\"numeric\"\n                                           style=\"width:60px;padding:10px;font-size:18px;margin-left:10px;border:2px solid #ddd;border-radius:4px;text-align:center;\"\n                                           onkeypress=\"return \/[0-5]\/.test(event.key)\"\n                                           oninput=\"this.value=this.value.replace(\/[^0-5]\/g,'').slice(0,1)\">\n                                                            <\/div>\n                        <\/div>\n                                            <div style=\"background:#f9f9f9;padding:20px;margin-bottom:20px;border-radius:5px;border-left:4px solid #0073aa;\">\n                            <h3 style=\"margin-top:0;color:#0073aa;\">Question 2<\/h3>\n                            <div style=\"line-height:1.8;margin:15px 0;\">\n                                #10. A patient with a pathological fracture undergoes bone biopsy. Histology shows haphazardly arranged collagen fibres. This pattern is always abnormal in adults because it indicates:<br \/>\r\n<br \/>\r\n1. Lamellar bone re-modelling <br \/>\r\n2. Primary spongiosa<br \/>\r\n3. Endochondral ossification<br \/>\r\n4. Woven bone formation                            <\/div>\n                                                        <div style=\"margin-top:15px;\">\n                                <label style=\"font-weight:bold;\">\n                                    Your Answer (0\u20135):                                <\/label>\n                                                                    <!-- MC: text input enforced to 0-5 only via JS, no keyboard bypass -->\n                                    <input type=\"text\"\n                                           name=\"answer_32\"\n                                           id=\"mc_32\"\n                                           data-type=\"multiple_choice\"\n                                           maxlength=\"1\"\n                                           inputmode=\"numeric\"\n                                           style=\"width:60px;padding:10px;font-size:18px;margin-left:10px;border:2px solid #ddd;border-radius:4px;text-align:center;\"\n                                           onkeypress=\"return \/[0-5]\/.test(event.key)\"\n                                           oninput=\"this.value=this.value.replace(\/[^0-5]\/g,'').slice(0,1)\">\n                                                            <\/div>\n                        <\/div>\n                                            <div style=\"background:#f9f9f9;padding:20px;margin-bottom:20px;border-radius:5px;border-left:4px solid #0073aa;\">\n                            <h3 style=\"margin-top:0;color:#0073aa;\">Question 3<\/h3>\n                            <div style=\"line-height:1.8;margin:15px 0;\">\n                                Flat bones of the cranium develop by which process?<br \/>\r\n<br \/>\r\nA) Endochondral ossification <br \/>\r\nB) Enchondral mineralization <br \/>\r\nC) Intramembranous ossification <br \/>\r\nD) Primary spongiosa formation                            <\/div>\n                                                        <div style=\"margin-top:15px;\">\n                                <label style=\"font-weight:bold;\">\n                                    Your Answer (0\u20135):                                <\/label>\n                                                                    <!-- MC: text input enforced to 0-5 only via JS, no keyboard bypass -->\n                                    <input type=\"text\"\n                                           name=\"answer_36\"\n                                           id=\"mc_36\"\n                                           data-type=\"multiple_choice\"\n                                           maxlength=\"1\"\n                                           inputmode=\"numeric\"\n                                           style=\"width:60px;padding:10px;font-size:18px;margin-left:10px;border:2px solid #ddd;border-radius:4px;text-align:center;\"\n                                           onkeypress=\"return \/[0-5]\/.test(event.key)\"\n                                           oninput=\"this.value=this.value.replace(\/[^0-5]\/g,'').slice(0,1)\">\n                                                            <\/div>\n                        <\/div>\n                                            <div style=\"background:#f9f9f9;padding:20px;margin-bottom:20px;border-radius:5px;border-left:4px solid #0073aa;\">\n                            <h3 style=\"margin-top:0;color:#0073aa;\">Question 4<\/h3>\n                            <div style=\"line-height:1.8;margin:15px 0;\">\n                                Hydroxyapatite stores 99% of body calcium and 85% of body phosphorus. If total body phosphorus is 600 g, how many grams are stored outside bone?                            <\/div>\n                                                        <div style=\"margin-top:15px;\">\n                                <label style=\"font-weight:bold;\">\n                                    Your Answer:                                <\/label>\n                                                                    <!-- Numeric: free decimal input -->\n                                    <input type=\"number\"\n                                           name=\"answer_45\"\n                                           data-type=\"numeric\"\n                                           step=\"any\"\n                                           inputmode=\"decimal\"\n                                           style=\"width:140px;padding:10px;font-size:16px;margin-left:10px;border:2px solid #ddd;border-radius:4px;\">\n                                                            <\/div>\n                        <\/div>\n                                            <div style=\"background:#f9f9f9;padding:20px;margin-bottom:20px;border-radius:5px;border-left:4px solid #0073aa;\">\n                            <h3 style=\"margin-top:0;color:#0073aa;\">Question 5<\/h3>\n                            <div style=\"line-height:1.8;margin:15px 0;\">\n                                If 10% of the skeleton is remodelled annually, what fraction of the skeleton is remodelled every month?                            <\/div>\n                                                        <div style=\"margin-top:15px;\">\n                                <label style=\"font-weight:bold;\">\n                                    Your Answer:                                <\/label>\n                                                                    <!-- Numeric: free decimal input -->\n                                    <input type=\"number\"\n                                           name=\"answer_46\"\n                                           data-type=\"numeric\"\n                                           step=\"any\"\n                                           inputmode=\"decimal\"\n                                           style=\"width:140px;padding:10px;font-size:16px;margin-left:10px;border:2px solid #ddd;border-radius:4px;\">\n                                                            <\/div>\n                        <\/div>\n                    \n                <div style=\"text-align:center;margin-top:20px;\">\n                    <button type=\"submit\"\n                            style=\"background:#0073aa;color:white;padding:15px 40px;border:none;border-radius:5px;font-size:18px;cursor:pointer;font-weight:bold;\">\n                        Submit Answers\n                    <\/button>\n                <\/div>\n            <\/form>\n\n            <div id=\"avinquiz-results-3\" style=\"display:none;margin-top:30px;\"><\/div>\n        <\/div>\n\n        <script>\n        jQuery(document).ready(function($) {\n            \/\/ Record quiz start time\n            var avinquizStart = Date.now();\n            document.getElementById('avinquiz-start-time').value = avinquizStart;\n\n            $('#avinquiz-form-3').on('submit', function(e) {\n                e.preventDefault();\n                var elapsed = Math.round((Date.now() - avinquizStart) \/ 1000);\n                var mins    = Math.floor(elapsed \/ 60);\n                var secs    = elapsed % 60;\n                var label   = mins > 0 ? mins + 'm' + (secs > 0 ? 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