Special parameters: Urinary system

Question 1

Renal blood flow

Answer 1

1200-1300 ml/min (20-25% of CO)

Question 2

Renal plasma flow(CPAH)

Answer 2

600-700ml/min

Question 3

Glomerular filtration rate(Cinulin or Ccreatinin)

Answer 3

120ml/min

Question 4

Filtration fraction (GFR/RPF)

Answer 4

20%

Question 5

Hydrostatic and colloid osmotic pressures in the afferent glomerular capillaries

Answer 5

hydrostatic P: 53mmHg

colloid osmotic P: 26mmHg

Question 6

Hydrostatic and colloid osmotic pressures in the efferent glomerular capillaries

Answer 6

hydrostatic P: 51mmHg

colloid osmotic P: 33mmHg

Question 7

Effective filtration pressure in the glomerular capillaries

Answer 7

afferent: 45mmHg
efferent: 6mmHg

Question 8

Osmotic pressure in the proximal tubule

Answer 8

300 mosm

Question 9

Osmotic pressure of the interstitium in the cortex

Answer 9

300 mosm

Question 10

Urine volume (maximal concentration)

Answer 10

????

Question 11

Urine osmolarity (maximal concentration)

Answer 11

1200 mosm

Question 12

Urine volume (maximal dilution)

Answer 12

????

Question 13

Urine osmolarity (maximal dilution)

Answer 13

30 mosm

Question 14

Osmotic pressure and composition of the interstitium in the inner medulla during maximal concentration

Answer 14

1200 mosm (600 NaCl 600 Urea)

Question 15

Transport maximum of tubular glucose reabsorption

Answer 15

375 mg/min