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Video: Dab tsi ua rau cov kua dej hauv plab?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Digestive kua txiv yog ua thoob plaws qhov me txoj hnyuv thiab hauv cov txiav, thiab cov kua tsib yog ua hauv lub siab. Cov kua tsib thiab pancreatic kua txiv khoob mus rau nruab nrab ntawm duodenum ntawm sphincter ntawm Oddi. Kev zom zaub mov cuam tshuam nrog kev tawg los ntawm cov enzymes ntawm cov zaub mov molecules rau hauv lawv cov khoom yooj yim molecules.
Ua kom pom qhov no, lub caj pas dab tsi ua rau cov kua txiv hmab txiv ntoo?
pancreas
Ib sab saum toj no, ntau npaum li cas cov kua txiv hmab txiv ntoo tau tsim txhua hnub? Tus neeg laus plab yuav tso tawm li 1.5 litres ntawm cov kua qaub txhua hnub.
Ua kom pom qhov no, txhais li cas los ntawm txoj hnyuv?
Kev kho mob Txhais ntawm hnyuv kua txiv : cov kua dej uas zais hauv qhov me me hauv qhov me me txoj hnyuv , yog qhov sib txawv heev hauv kev cai lij choj, thiab tshwj xeeb tshaj yog muaj ntau yam enzymes (xws li erepsin, lipase, lactase, enterokinase, thiab amylase) thiab hnoos qeev. - hu ua succus entericus.
Cov kua txiv zom muaj dab tsi?
Rhuav tshem Gastric Juices Cov kua txiv hauv plab yog tsim los ntawm dej, electrolytes, hydrochloric acid, enzymes, mucus, thiab intrinsic yam. Hydrochloric acid yog cov kua qaub uas zais los ntawm cov cell parietal, thiab nws txo qis koj lub plab pH mus rau ib puag ncig 2.
Pom zoo:
Vim li cas cov kua qaub thiab enzymes hauv plab tsis nquag zom plab hauv plab?
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STOMACH tsis zom nws tus kheej vim tias nws tau hlua nrog cov epithial cells, uas tsim cov hnoos qeev. Qhov no ua ib qho teeb meem ntawm sab hauv ntawm lub plab thiab cov ntsiab lus. Enzymes, uas ua ib feem ntawm cov kua txiv zom zaub mov kuj tseem zais los ntawm lub plab phab ntsa, los ntawm cov qog uas tsis muaj qhov thaiv qhov ncauj
Dab tsi yog qhov txawv txav ntawm cov kua dej hauv lub plab kab noj hniav?
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Ascites. Nws yog ib qho txawv txav ntawm serous kua nyob rau hauv lub peritoneal kab noj hniav. Tus mob no feem ntau yog tshwm sim los ntawm kab mob siab heev
Cov kua dej dab tsi yog siv hauv cov kua dej resuscitation?
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Cov kua dej ntau yog siv hauv cov kua dej resuscitation, feem ntau hom yog colloids thiab crystalloids. Colloids feem ntau yog siv los ua cov ntim ntshav nthuav dav hauv kev kho mob ntshav siab. Lawv muaj cov molecules loj uas tsis tuaj yeem hla cov phab ntsa capillary thiab khaws cia hauv cov hlab ntsha
Dab tsi tiv thaiv lub plab hauv plab los ntawm cov kua qaub?
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Hauv plab ntau yam txheej txheem tiv thaiv mucosal tiv thaiv lub plab tawm tsam hydrochloric acid thiab cov tshuaj lom. Kev tiv thaiv ua ntej-epithelial yog ua los ntawm cov mucus-bicarbonate teeb meem. Mucus thiab bicarbonate, secreted los ntawm mucus hlwb, tsim pH gradient tswj lub epithelial cell nto nyob ze nruab nrab pH
Dab tsi hloov pauv tshwm sim hauv cov kua dej sab hauv thiab sab hauv lub cev thaum lub cev qhuav dej?
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Cov ntsev ntau hauv dej, siab dua osmotic siab. Raws li qhov xwm txheej ib txwm muaj, osmotic siab nyob rau hauv qhov chaw tso rau sab hauv yog zoo ib yam li hauv qhov chaw sab nrauv. Thaum lub cev qhuav dej tshwm sim, txawm li cas los xij, cov ntsiab lus ntawm cov ntsev nyob hauv ib lossis ntau qhov ntxiv lossis txo qis