{"common":{"save":0,"post_id":"9883","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8704","post_id":"9883","mon_id":"1159850","chapter_id":"1160280","question":"<p data-pm-slice=\"0 0 []\">H\u1ec7 th\u1ea7n kinh d\u1ea1ng \u1ed1ng ho\u1ea1t \u0111\u1ed9ng theo nguyên t\u1eafc nào?<\/p>","options":["A. Ph\u1ea3n x\u1ea1 có \u0111i\u1ec1u ki\u1ec7n","B. Ph\u1ea3n x\u1ea1 không \u0111i\u1ec1u ki\u1ec7n","C. Ph\u1ea3n x\u1ea1 ","D. Không theo nguyên t\u1eafc nào"],"correct":"3","level":"1","hint":"<p>Xem cách tín hi\u1ec7u th\u1ea7n kinh \u0111i t\u1eeb \u0111\u1ea7u nh\u1eadn \u0111\u1ebfn \u0111\u1ea7u ra ph\u1ea3n \u1ee9ng.<\/p>","answer":"<p>\u0110áp án: <span style=\"color:#1abc9c;\"><strong>C. Ph\u1ea3n x\u1ea1<\/strong><\/span><\/p><ul> <li data-end=\"247\" data-start=\"142\"><p data-end=\"247\" data-start=\"144\"><strong data-end=\"155\" data-start=\"144\">Ph\u1ea3n x\u1ea1<\/strong> là ph\u1ea3n \u1ee9ng t\u1ef1 \u0111\u1ed9ng, nhanh chóng c\u1ee7a c\u01a1 th\u1ec3 tr\u01b0\u1edbc kích thích, do h\u1ec7 th\u1ea7n kinh \u0111i\u1ec1u khi\u1ec3n.<\/p><\/li> <li data-end=\"359\" data-start=\"248\"><p data-end=\"359\" data-start=\"250\">\u1ede \u0111\u1ed9ng v\u1eadt có h\u1ec7 th\u1ea7n kinh d\u1ea1ng \u1ed1ng (não + t\u1ee7y s\u1ed1ng), m\u1ecdi ho\u1ea1t \u0111\u1ed9ng c\u01a1 b\u1ea3n \u0111\u1ec1u th\u1ef1c hi\u1ec7n theo cung ph\u1ea3n x\u1ea1.<\/p><\/li> <li data-end=\"480\" data-start=\"360\"><p data-end=\"480\" data-start=\"362\"><strong data-end=\"386\" data-start=\"362\">Ph\u1ea3n x\u1ea1 có \u0111i\u1ec1u ki\u1ec7n<\/strong> và <strong data-end=\"409\" data-start=\"390\">không \u0111i\u1ec1u ki\u1ec7n<\/strong> ch\u1ec9 là hai d\u1ea1ng c\u1ee5 th\u1ec3 c\u1ee7a ph\u1ea3n x\u1ea1, ch\u1ee9 không ph\u1ea3i nguyên t\u1eafc chung.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-08-10 17:11:00","option_type":"txt","len":2},{"id":"8705","post_id":"9883","mon_id":"1159850","chapter_id":"1160280","question":"<p data-pm-slice=\"0 0 []\">\u0110\u1ed9ng v\u1eadt càng thích nghi v\u1edbi \u0111i\u1ec1u ki\u1ec7n môi tr\u01b0\u1eddng do có?<\/p>","options":["A. Ph\u1ea3n x\u1ea1 có \u0111i\u1ec1u ki\u1ec7n càng t\u0103ng","B. Ph\u1ea3n x\u1ea1 không \u0111i\u1ec1u ki\u1ec7n càng t\u0103ng","C. Ph\u1ea3n x\u1ea1 càng t\u0103ng ","D. Không liên quan \u0111\u1ebfn ph\u1ea3n x\u1ea1"],"correct":"1","level":"1","hint":"<p>Liên quan \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 phân hóa t\u1ed5 ch\u1ee9c th\u1ea7n kinh và giác quan<\/p>","answer":"<p>\u0110áp án: <strong>A<span style=\"color:#1abc9c;\">. Ph\u1ea3n x\u1ea1 có \u0111i\u1ec1u ki\u1ec7n càng t\u0103ng<\/span><\/strong><\/p><ul> <li data-end=\"180\" data-start=\"72\"><p data-end=\"180\" data-start=\"74\"><strong data-end=\"98\" data-start=\"74\">Ph\u1ea3n x\u1ea1 có \u0111i\u1ec1u ki\u1ec7n<\/strong> là lo\u1ea1i ph\u1ea3n x\u1ea1 \u0111\u01b0\u1ee3c hình thành trong quá trình s\u1ed1ng, nh\u1edd h\u1ecdc t\u1eadp và rèn luy\u1ec7n.<\/p><\/li> <li data-end=\"363\" data-start=\"181\"><p data-end=\"363\" data-start=\"183\">\u0110\u1ed9ng v\u1eadt càng phát tri\u1ec3n h\u1ec7 th\u1ea7n kinh và s\u1ed1ng trong môi tr\u01b0\u1eddng ph\u1ee9c t\u1ea1p thì kh\u1ea3 n\u0103ng t\u1ea1o ra ph\u1ea3n x\u1ea1 có \u0111i\u1ec1u ki\u1ec7n càng nhi\u1ec1u → giúp thích nghi t\u1ed1t h\u01a1n v\u1edbi thay \u0111\u1ed5i c\u1ee7a môi tr\u01b0\u1eddng.<\/p><\/li> <li data-end=\"483\" data-is-last-node=\"\" data-start=\"364\"><p data-end=\"483\" data-is-last-node=\"\" data-start=\"366\"><strong data-end=\"393\" data-start=\"366\">Ph\u1ea3n x\u1ea1 không \u0111i\u1ec1u ki\u1ec7n<\/strong> là b\u1ea9m sinh, ít thay \u0111\u1ed5i, nên không quy\u1ebft \u0111\u1ecbnh nhi\u1ec1u \u0111\u1ebfn kh\u1ea3 n\u0103ng thích nghi linh ho\u1ea1t<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-08-10 17:11:32","option_type":"txt","len":2},{"id":"8706","post_id":"9883","mon_id":"1159850","chapter_id":"1160280","question":"<p data-pm-slice=\"0 0 []\">C\u01a1 th\u1ec3 \u0111\u1ed9ng v\u1eadt \u0111ã xu\u1ea5t hi\u1ec7n t\u1ed5 ch\u1ee9c th\u1ea7n kinh, nh\u01b0ng \u0111áp \u1ee9ng không hoàn toàn chính xác b\u1eb1ng cách co rút toàn thân, x\u1ea3y ra \u1edf:<\/p>","options":["A. Giáp xác","B. Cá.","C. Ru\u1ed9t khoang ","D. Thân m\u1ec1m"],"correct":"3","level":"1","hint":"<p>Tìm giai \u0111o\u1ea1n khi c\u01a1 th\u1ec3 ch\u1ec9 co c\u01a1 toàn thân, ch\u01b0a có trung tâm \u0111i\u1ec1u khi\u1ec3n ph\u1ee9c t\u1ea1p.<\/p>","answer":"<p>\u0110áp án:<span style=\"color:#16a085;\"> <strong>C. Ru\u1ed9t khoang<\/strong><\/span><\/p><ul> <li data-end=\"189\" data-start=\"57\"><p data-end=\"189\" data-start=\"59\">\u1ede <strong data-end=\"85\" data-start=\"61\">\u0111\u1ed9ng v\u1eadt ru\u1ed9t khoang<\/strong> (nh\u01b0 th\u1ee7y t\u1ee9c, s\u1ee9a), \u0111ã xu\u1ea5t hi\u1ec7n <strong data-end=\"146\" data-start=\"120\">h\u1ec7 th\u1ea7n kinh d\u1ea1ng l\u01b0\u1edbi<\/strong>, giúp c\u01a1 th\u1ec3 nh\u1eadn kích thích và \u0111áp \u1ee9ng.<\/p><\/li> <li data-end=\"383\" data-start=\"190\"><p data-end=\"383\" data-start=\"192\">Tuy nhiên, h\u1ec7 th\u1ea7n kinh này <strong data-end=\"265\" data-start=\"220\">ch\u01b0a phân hóa rõ trung \u01b0\u01a1ng và ngo\u1ea1i biên<\/strong>, nên tín hi\u1ec7u truy\u1ec1n kh\u1eafp c\u01a1 th\u1ec3 → ph\u1ea3n \u1ee9ng th\u01b0\u1eddng là <strong data-end=\"340\" data-start=\"320\">co rút toàn thân<\/strong>, không chính xác vào m\u1ed9t b\u1ed9 ph\u1eadn c\u1ee5 th\u1ec3.<\/p><\/li> <li data-end=\"466\" data-is-last-node=\"\" data-start=\"384\"><p data-end=\"466\" data-is-last-node=\"\" data-start=\"386\">Giáp xác, cá, thân m\u1ec1m có h\u1ec7 th\u1ea7n kinh phát tri\u1ec3n h\u01a1n, ph\u1ea3n \u1ee9ng chính xác h\u01a1n.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-08-10 17:12:16","option_type":"txt","len":2}]}