Renal and Acid/Base Physiology - Parameters Flashcards Preview

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Flashcards in Renal and Acid/Base Physiology - Parameters Deck (23)
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1

Renal Blood Flow (RBF):

1200-1300 mL

2

Renal Plasma Flow (RPF):

600-700 mL

3

Glomerular Filtration Rate (GFR):

120 ml/min

4

Filtration Fraction (FF):

GFR/RPF=FF
120/600 = 0.2

5

Hydrostatic Pressures of Glomerular Capillaries (Pgc):
at Afferent end and Efferent end

Pgc:
Afferent: +53 mmHg
Efferent: +51 mmHg

6

Oncotic Pressures of Glomerular Capillaries (πgc):
at Afferent end and Efferent end

πgc:
Afferent: -26 mmHg
Efferent: -33 mmHg

7

Hydrostatic Pressures of Bowman's Space (Pbs):
at Afferent end and Efferent end

Pbs:
Afferent: -12 mmHg
Efferent: -12 mmHg

8

Oncotic Pressures of Bowman's Space (πbs):
at Afferent end and Efferent end

πbs: No proteins cross to the Bowman's Space!
Afferent: 0 mmHg
Efferent: 0 mmHg

9

Net Filtration Pressure (NFP):
at Afferent end and Efferent end

Net Filtration Pressure:
Afferent: +15 mmHg
Efferent: +6 mmHg
(Sum of πbs, Pbs, πgc, Pgc)

10

Osmotic Concentration in Proximal Tubule:

300 mOsm

11

Maximum rate of transepithelial transport of Glucose:

375 mg/min

12

Osmotic Concentration in interstitium of Cortex:

300 mOsm

13

Urine volume after maximal Concentration:

0.5 L/Day

14

Urine osmolarity after maximal Concentration:

1200 mOsm/L

15

Urine volume after maximal Dilution:

12L/ Day

16

Urine osmolarity after maximal Dilution:

50 mOsm/ Day

17

Maximal osmotic concentration in inner medulla interstitium and its composition:

1200 mOsm: Half of it thanks to Urea and the other Half thanks to Sodium.

18

Blood pH

7.35-7.45

19

PaCO2

38-42 mmHg

20

Standard Bicarbonate

23-25 mM

21

Actual Bicarbonate

23-25 mM

22

Base Buffer

44-49 mEq/L

23

Base Excess

+/-2.5 mEq/L