key numbers/ranges

Question 1

Ph of blood

Answer 1

7-4

Question 2

Range of Ph of blood

Answer 2

7.37-7.43

Question 3

notmal pco2 of blood

Answer 3

40mmhg

5.3kPa

Question 4

Range of pco2 in blood

Answer 4

4.8-5.9kPa

36-44mmHg

Question 5

Normal hco3 of blood

Answer 5

24mmoles/l

Question 6

Range of Hco3

Answer 6

22-26

Question 7

minumum urine Ph

Answer 7

4.5-5

Question 8

maximum urine pH

Answer 8

8

Question 9

glomerular filtration rate in l/day

Answer 9

180

Question 10

how much blood flow to kidney in 1 min

Answer 10

1200mls/min

Question 11

How much blood flow to kidney in 1 min as total cardiac output %

Answer 11

20-25%

Question 12

how long before total blood volume passes through the kidneys

Answer 12

5 mins

Question 13

% of total blood volume thats plasma

Answer 13

55%

Question 14

what is the renal plasma flow in mls/min

Answer 14

660

Question 15

how much of the renal plasma becomes glomerular filtrate

Answer 15

19%

Question 16

What is the renal Tm threshold for glucose

Answer 16

10mmoles/l

Question 17

what BP range does autoregulation by the kidney act

Answer 17

60-130

Question 18

What is normal ECF potassium

Answer 18

around 4mmoles/L

Question 19

What is the K cut off for hyperkaelemia

Answer 19

5,5

Question 20

what is the K cut off for hypokalaemia

Answer 20

3.5

Question 21

How much waste product does the body need to remove daily (mOsmoles)

Answer 21

600

Question 22

How much water must be lost in a day

Answer 22

500ml

Question 23

What is the maximum concentration of urine that can be produced by the human kidney

Answer 23

1200-1400mOsmoles

Question 24

What is the minimum concentration of urine that can be produced by the human kidney

Answer 24

30-50mOsmoles

Question 25

What is normal plasma Osmolarity

Answer 25

280-290mOsm/Kg (Very tightly regulated)