Dab tsi cuam tshuam rau glomerular filtration rate quizlet?
Dab tsi cuam tshuam rau glomerular filtration rate quizlet?

Video: Dab tsi cuam tshuam rau glomerular filtration rate quizlet?

Video: Dab tsi cuam tshuam rau glomerular filtration rate quizlet?
Video: Glomerular filtration rate (chapter 27 guyton) 2024, Lub rau hli ntuj
Anonim

Cov xwm txheej uas txiav txim siab GFR yog qhov ua tau zoo lim siab , permeability yam ntxwv ntawm glomerular membrane thiab nws thaj chaw saum npoo.

Dhau li ntawm no, dab tsi yog yam uas cuam tshuam rau glomerular filtration rate?

Glomerular pom yog tshwm sim vim qhov siab gradient hauv glomerulus . Cov ntshav ntim ntau ntxiv thiab ntshav siab yuav nce ntxiv GFR . Constriction nyob rau hauv afferent arterioles mus rau hauv lub glomerulus thiab kev nthuav dav ntawm cov hlab ntshav tawm los ntawm glomerulus yuav txo GFR.

Qhov thib ob, GFR quizlet yog dab tsi? GFR = ntim cov lim dej tsim ib feeb los ntawm ob lub raum (ib txwm = 120-125 ml/min) GFR yog ncaj qha sib piv rau: Net lim siab (NFP) -Thawj qhov siab yog glomerular hydrostatic siab.

Xav txog qhov no, dab tsi yog peb yam uas tswj glomerular filtration rate?

Peb yam tseem ceeb tswj tus nqi glomerular filtration (GFR). Peb yam no yog txo qis hauv kev ua haujlwm ntshav siab , ib txwm ua haujlwm ntshav siab , thiab nce hauv systemic ntshav siab . Lub cev yuav tsum tswj hwm homeostasis. Yog li ntawd, lub cev yuav teb rau txhua yam.

Kev pom glomerular nyob ntawm dab tsi?

Tus qauv piav qhia vim li cas cov lim tus nqi (GFR) muaj zog heev nyob ntawm Hauv zos hydrostatic thiab protein oncotic pressures, thiab ntawm plasma flow rate (GCPF), tab sis tsuas yog qaug zog. nyob ntawm cov lej tseeb, qhov ntev, radii, lossis lim coefficient ntawm glomerular capillaries.

Pom zoo: