Renal Flashcards

1
Q

Homeostenoza

A

In senescenta apar:
-reducerea parametrilor fizioogici de raspuns sau bazali
-limitarea raspunsului maxim la stress
-intrazierea normalizarii

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Modificari morfologice rinichi

A

-sacde masa rinichiului
-scad nr de nefroni
-glomeruloscleroza
-scade suprafata de filtrare glomerulara
-scade nu marul de tubuli si ingustarea lumenului
-fibroza interstitiala peritubulara
-mb glonerulara ingrosata
-ingustarea si obliterarea arteriolelor aferente
-arterioscleroza

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Modificari functionale

A

-scade fluxul sanguin renal
-scade rfg(cr nu creste semnif dat reducerii masei musc)
-scade capacitatea de dilutie si concentrare
-scade capacitatea de conservare Na
-scade SRAA
-scade sinteza de prostaglandine
-scade raspunsul vasoconstrictor la depletia de volum
-hiponatremie, hiperkalemie
-deshidratare dat excr na si sc sensib centri sete

How well did you know this?
1
Not at all
2
3
4
5
Perfectly