Thực hành: Một số thí nghiệm về tuần hoàn

Home Lớp 11 Sinh học Lớp 11 - Sách KNTT Bài 11: Thực hành: Một số thí nghiệm về tuần hoànBài tập cơ bản

{"common":{"save":0,"post_id":"9357","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7963","post_id":"9357","mon_id":"1159850","chapter_id":"1160021","question":"H\u1ec7 tu\u1ea7n hoàn kín là h\u1ec7 tu\u1ea7n hoàn có:<\/p>","options":["A. Máu l\u01b0u thông liên t\u1ee5c trong m\u1ea1ch kín (t\u1eeb tim qua \u0111\u1ed9ng m\u1ea1ch, mao m\u1ea1ch, t\u0129nh m\u1ea1ch, và v\u1ec1 tim)","B. T\u1ed1c \u0111\u1ed9 máu ch\u1ea3y ch\u1eadm, máu không \u0111i \u0111\u01b0\u1ee3c xa.","C. Máu ch\u1ea3y trong \u0111\u1ed9ng m\u1ea1ch v\u1edbi áp l\u1ef1c th\u1ea5p.","D. Máu \u0111\u1ebfn các c\u01a1 quan ch\u1eadm."],"correct":"1","level":"1","hint":"","answer":"\u0110áp án \u0111úng: A. Máu l\u01b0u thông liên t\u1ee5c trong m\u1ea1ch kín (t\u1eeb tim qua \u0111\u1ed9ng m\u1ea1ch, mao m\u1ea1ch, t\u0129nh m\u1ea1ch, và v\u1ec1 tim)<\/strong><\/p><h3 data-end=\"137\" data-start=\"122\">Gi\u1ea3i thích:<\/h3>H\u1ec7 tu\u1ea7n hoàn kín<\/strong> là h\u1ec7 tu\u1ea7n hoàn mà máu luôn l\u01b0u thông trong m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ch kín<\/strong>, không tr\u1ed9n l\u1eabn v\u1edbi d\u1ecbch mô. \u0110\u01b0\u1eddng \u0111i c\u1ee7a máu là: Tim → \u0110\u1ed9ng m\u1ea1ch → Mao m\u1ea1ch → T\u0129nh m\u1ea1ch → Tim<\/strong>.<\/p>\u0110\u1eb7c \u0111i\u1ec3m này giúp máu l\u01b0u thông hi\u1ec7u qu\u1ea3<\/strong>, \u0111\u1ebfn \u0111\u01b0\u1ee3c các c\u01a1 quan \u1edf xa, t\u1ed1c \u0111\u1ed9 và áp l\u1ef1c máu cao h\u01a1n<\/strong> so v\u1edbi h\u1ec7 tu\u1ea7n hoàn h\u1edf.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-06-03 23:40:22","option_type":"txt","len":3},{"id":"7964","post_id":"9357","mon_id":"1159850","chapter_id":"1160021","question":"H\u1ec7 tu\u1ea7n hoàn h\u1edf có \u0111\u1eb7c \u0111i\u1ec3m gì \u0111\u1ec3 \u0111\u01b0\u1ee3c g\u1ecdi là h\u1edf ?<\/p>","options":["A. Vì t\u1ed1c \u0111\u1ed9 máu ch\u1ea3y ch\u1eadm.","B. Vì máu ch\u1ea3y trong \u0111\u1ed9ng m\u1ea1ch d\u01b0\u1edbi áp l\u1ef1c th\u1ea5p.","C. Vì gi\u1eefa m\u1ea1ch \u0111i t\u1eeb tim (\u0111\u1ed9ng m\u1ea1ch) và các m\u1ea1ch \u0111\u1ebfn tim (t\u0129nh m\u1ea1ch) không có m\u1ea1ch n\u1ed1i","D. Vì còn t\u1ea1o h\u1ed7n h\u1ee3p d\u1ecbch mô - máu."],"correct":"3","level":"1","hint":"","answer":"\u0110áp án \u0111úng: C. Vì gi\u1eefa m\u1ea1ch \u0111i t\u1eeb tim (\u0111\u1ed9ng m\u1ea1ch) và các m\u1ea1ch \u0111\u1ebfn tim (t\u0129nh m\u1ea1ch) không có m\u1ea1ch n\u1ed1i<\/strong><\/p><h3 data-end=\"129\" data-start=\"114\">Gi\u1ea3i thích:<\/h3><ul data-end=\"446\" data-start=\"130\"> <li data-end=\"235\" data-start=\"130\">H\u1ec7 tu\u1ea7n hoàn h\u1edf<\/strong> là h\u1ec7 tu\u1ea7n hoàn trong \u0111ó máu không l\u01b0u thông hoàn toàn trong h\u1ec7 th\u1ed1ng m\u1ea1ch kín<\/strong>.<\/p><\/li> <li data-end=\"446\" data-start=\"236\">Máu t\u1eeb \u0111\u1ed9ng m\u1ea1ch<\/strong> ch\u1ea3y ra khoang c\u01a1 th\u1ec3<\/strong>, ti\u1ebfp xúc tr\u1ef1c ti\u1ebfp v\u1edbi các c\u01a1 quan, sau \u0111ó tr\u1edf v\u1ec1 tim qua t\u0129nh m\u1ea1ch<\/strong> mà không \u0111i qua h\u1ec7 mao m\u1ea1ch<\/strong> → không có m\u1ea1ch n\u1ed1i kín gi\u1eefa \u0111\u1ed9ng m\u1ea1ch và t\u0129nh m\u1ea1ch<\/strong>.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-06-03 23:41:28","option_type":"txt","len":3},{"id":"7965","post_id":"9357","mon_id":"1159850","chapter_id":"1160021","question":"Máu ch\u1ea3y trong h\u1ec7 tu\u1ea7n hoàn h\u1edf nh\u01b0 th\u1ebf nào?<\/p>","options":["A. Máu ch\u1ea3y trong \u0111\u1ed9ng m\u1ea1ch d\u01b0\u1edbi áp l\u1ef1c l\u1edbn, t\u1ed1c \u0111\u1ed9 máu ch\u1ea3y cao","B. Máu ch\u1ea3y trong \u0111\u1ed9ng m\u1ea1ch d\u01b0\u1edbi áp l\u1ef1c th\u1ea5p, t\u1ed1c \u0111\u1ed9 máu ch\u1ea3y ch\u1eadm.","C. Máu ch\u1ea3y trong \u0111\u1ed9ng m\u1ea1ch d\u01b0\u1edbi áp l\u1ef1c th\u1ea5p, t\u1ed1c \u0111\u1ed9 máu ch\u1ea3y nhanh","D. Máu ch\u1ea3y trong \u0111\u1ed9ng m\u1ea1ch d\u01b0\u1edbi áp l\u1ef1c cao, t\u1ed1c \u0111\u1ed9 máu ch\u1ea3y ch\u1eadm."],"correct":"2","level":"1","hint":"","answer":"\u0110áp án: B. Máu ch\u1ea3y trong \u0111\u1ed9ng m\u1ea1ch d\u01b0\u1edbi áp l\u1ef1c th\u1ea5p, t\u1ed1c \u0111\u1ed9 máu ch\u1ea3y ch\u1eadm.<\/strong><\/p><h3 data-end=\"109\" data-start=\"94\">Gi\u1ea3i thích:<\/h3>Trong h\u1ec7 tu\u1ea7n hoàn h\u1edf<\/strong>, máu r\u1eddi kh\u1ecfi \u0111\u1ed9ng m\u1ea1ch và ch\u1ea3y vào khoang c\u01a1 th\u1ec3<\/strong>, ti\u1ebfp xúc tr\u1ef1c ti\u1ebfp v\u1edbi các mô, không \u0111i qua h\u1ec7 mao m\u1ea1ch<\/strong>. Do \u0111ó:<\/p><ul data-end=\"455\" data-start=\"260\"> <li data-end=\"324\" data-start=\"260\">Áp l\u1ef1c máu th\u1ea5p<\/strong> vì không có h\u1ec7 m\u1ea1ch kín \u0111\u1ec3 duy trì áp l\u1ef1c.<\/p><\/li> <li data-end=\"455\" data-start=\"325\">T\u1ed1c \u0111\u1ed9 máu ch\u1ea3y ch\u1eadm<\/strong> do máu không \u0111\u01b0\u1ee3c d\u1ed3n ép liên t\u1ee5c và khu\u1ebfch tán t\u1ef1 do trong khoang c\u01a1 th\u1ec3 → hi\u1ec7u qu\u1ea3 tu\u1ea7n hoàn kém h\u01a1n.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-06-03 23:42:08","option_type":"txt","len":3}]}