excretor

Question 1

calice mari/rinichi

Answer 1

3

Question 2

nefroni totali=nr glomeruli=arteriole eferente si aferente

Answer 2

2 milioane

Question 3

procent
nefroni corticali

Answer 3

85%

Question 4

procent nefroni juxtamedulari

Answer 4

15%

Question 5

nefroni corticali

Answer 5

1.700.000

Question 6

nefroni juxtamedulari

Answer 6

300 000

Question 7

debit sangvin renal

Answer 7

1 200 ml/min= 420 ml/100g tesut/min= 20% din debitul cardiac de repaus

Question 8

debit filtrare glomerurala (urina primara)

Answer 8

125 ml/min = 180 l/zi (10% din debitul sangvin renal)

Question 9

cantitate reabsorbita din urina finala

Answer 9

peste 99%

Question 10

urina finala

Answer 10

1,8 l/zi

Question 11

presiune capilare glomerulare

Answer 11

60 mmhg

Question 12

presiune capsula bowman

Answer 12

18 mmhg

Question 13

presiune coloid osmotica din capilare

Answer 13

32 mmhg

Question 14

presiune coloid osmotica din capsula bowman

Answer 14

0 mmhg

Question 15

reabsorbtie obligatorie apa

Answer 15

80% (in tubul contort proximal)

Question 16

reabsorbtie facultativa apa

Answer 16

15% (mai ales tubi colectori dar si tubi contorti distali)

Question 17

reabsortie in restul nefronului

Answer 17

4% (ansa henle)

Question 18

cantitate urina daca presiune 5 10 cm apa in rinichi

Answer 18

30-50 ml

Question 19

det cresterea presiunii cu numai cativa cm h2o

Answer 19

200-300 ml

Question 20

declansare reflex mictiune

Answer 20

300-400 ml

Question 21

% apa din urina

Answer 21

95%

Question 22

nr de leucocite din urina

Answer 22

mai putin de 5000/ml

Question 23

nr calice mici= nr piramide malpighi

Answer 23

peste 6/rinichi

Question 24

na urina

Answer 24

3,3g/zi

Question 25

k urina

Answer 25

2-3,9g/zi

Question 26

ca urina

Answer 26

0,2g/zi

Question 27

mg urina

Answer 27

150mg/zi

Question 28

hco3 urina

Answer 28

0,3g/zi

Question 29

cl urina

Answer 29

5,3g/zi

Question 30

fosfor urina

Answer 30

1-1,5g/zi

Question 31

uree urina

Answer 31

25g/zi

Question 32

acid uric urina

Answer 32

0,6-0,8g/zi

Question 33

creatinina urina

Answer 33

1-2g/zi

Question 34

apa urina

Answer 34

1,3-1,8l/zi

Question 35

greutate rinichi

Answer 35

142 g per rinichi, 285 g total

Question 36

debitul filtrarii glomerulare/ora

Answer 36

7,5l