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Video: Puas yog kev sib pauv roj tshwm sim hauv trachea?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Qhov Ncauj thiab Qhov ntswg- cov no yog qhov qhib qhov ua pa cov nkev nkag thiab tawm hauv lub cev. Trachea ( cua cua )- txoj kev hla no txuas lub qhov ncauj thiab qhov ntswg mus rau lub ntsws. Alveoli- cov no yog cov qauv me me zoo li qhov twg gas pauv tshwm sim nrog cov ntshav.
Tsis tas li ntawd, puas trachea ua haujlwm hauv kev sib pauv roj?
Cov gas pauv txheej txheem yog ua los ntawm lub ntsws thiab ua pa system. Huab cua, sib xyaw ua pa thiab lwm yam cov nkev , yog nqus tau. Hauv caj pas, tus lub ntsws , los yog cua cua , lim cua. Cov lub ntsws ceg mus rau hauv ob lub bronchi, cov hlab uas ua rau lub ntsws.
Ib tug kuj yuav nug, yuav ua li cas pauv pa roj tshwm sim hauv flatworms? Gas pauv los ntawm kev nthuav dav ncaj qha thoob plaws daim tawv nqaij ua haujlwm tau zoo rau cov kab mob tsawg dua 1 hli inch. Lawv cov cell tau khaws cia kom noo li ntawd cov nkev diffuse sai sai ntawm direct diffusion. Flatworms me me, lus cov worms , uas 'ua pa' los ntawm diffusion hla lub txheej membrane.
Ib qho ntxiv, yuav hloov roj li cas?
Kev sib pauv roj yog xa cov pa oxygen los ntawm lub ntsws mus rau cov hlab ntshav, thiab tshem tawm cov pa roj carbon dioxide los ntawm cov hlab ntshav mus rau lub ntsws. Nws tshwm sim hauv lub ntsws nruab nrab ntawm alveoli thiab lub network ntawm cov hlab ntshav me me hu ua capillaries, uas nyob hauv phab ntsa ntawm alveoli.
Yam kev sib kis yog kev sib pauv roj?
Gas pauv yog tiav los ntawm diffusion. Qhov no yog txheej txheem uas cov khoom txav mus los ntawm ib cheeb tsam uas lawv nyob rau hauv siab rau ib cheeb tsam uas lawv nyob qis dua. Lawv txav mus a gradient siab : lub steeper lub gradient, qhov ceev ntawm diffusion.
Pom zoo:
Qhov twg ntawm cov hauv qab no yog qhov muaj peev xwm tshwm sim tshwm sim ntawm kev tswj hwm procainamide?
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Muaj ntau cov kev mob tshwm sim tom qab induction ntawm procainamide. Cov kev tsis zoo no yog ventricular dysrhythmia, bradycardia, hypotension thiab poob siab. Cov kev phom sij tshwm sim ntau dua yog tias cov koob tshuaj txhua hnub tau nce. Procainamide kuj tseem tuaj yeem ua rau kub cev tshuaj thiab lwm yam kev ua xua
Kev pauv roj tshwm sim li cas hauv lub ntsws?
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Kev sib pauv roj yog xa cov pa oxygen los ntawm lub ntsws mus rau cov hlab ntshav, thiab tshem tawm cov pa roj carbon dioxide los ntawm cov hlab ntshav mus rau lub ntsws. Nws tshwm sim hauv lub ntsws nruab nrab ntawm alveoli thiab lub network ntawm cov hlab ntshav me me hu ua capillaries, uas nyob hauv phab ntsa ntawm alveoli
Dab tsi tshwm sim tshwm sim ntawm kev sib tshuam neuromuscular?
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Thaum qhov muaj peev xwm ua tau mus txog qhov sib txuas neuromuscular, nws ua rau acetylcholine raug tso tawm rau hauv qhov kev sib txuas no. Cov acetylcholine khi rau cov nicotinic receptors concentrated nyob rau hauv lub motor kawg phaj, ib qho chaw tshwj xeeb ntawm cov nqaij fibers lub post-synaptic membrane
Dab tsi tshwm sim tshwm sim ntawm kev sib tshuam neuromuscular uas ua rau cov leeg sib cog lus?
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Thaum qhov muaj peev xwm ua tau mus txog qhov sib txuas neuromuscular, nws ua rau acetylcholine raug tso tawm rau hauv qhov kev sib txuas no. Cov acetylcholine khi rau cov nicotinic receptors concentrated nyob rau hauv lub motor kawg phaj, ib qho chaw tshwj xeeb ntawm cov nqaij fibers lub post-synaptic membrane
Dab tsi yog qhov hloov pauv hauv kev tswj ntshav siab uas tshwm sim nrog kev laus?
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Ua kom tuab thiab khov ntawm cov hlab ntsha loj loj tsim los vim muaj cov collagen thiab calcium tso thiab poob ntawm cov nqaij elastic hauv txheej nruab nrab. Cov kev hloov ntawm cov hlab ntsha no ua rau cov ntshav siab systolic nce siab thaum muaj hnub nyoog, thaum diastolic ntshav siab feem ntau poob qis tom qab xyoo thib rau xyoo