For the following be sure to explain your answers based on the data collected as

Question

For the following be sure to explain your answers based on the data collected as well as your knowledge of the physiology of the urinary system.

a) As time passes, is there a difference between the two groups in the number of silver nitrate drops needed? How is it different? How does this number of drops change overall and explain what is occurring with the NaCl.

3 TWATER GROUP Total g Naci Total Flow Rate, Specif. Glucose, drops so far TIME, min Urine Vol., ml ml/min Grav. pH mg/dL of AgNO3 per 100 ml g Nacl 0.00 1.010 6.00 negative 4 3.0 0.000 0.000 20 260 13.00 1.010 6.00 negative o 0.0 0.000 0.000 40 250 12.50 1.005 6.500 negative 2 0.2 0.500 0.500 60 260 13.00 1.005 6.50 negative 1 0.1 0.260 0.760 10 80 220 11.00 1.005 6.60 negative 1 o. 1 0.220 0.980 11 100 150 7, 50 1.005 6.50 negative 2 0.2 0.300 1.280 12 13 TOTAL 1140 1.28 14 11.40 15 Ave. Flow Rate 41 WATER GROUP 42 #2 Kathy Total 43 Flow Rate, Specif. so far Glucose. drops g Naci 44 TIME, min Urine vol., ml ml/min Grav. pH mg/dL of AgNO3 per 100 ml g Naci 0.00 1.020 6.00 negative 18 1.8 0.000 0.000 45 46 20 30 1.50 1.030 5.00 negative 23 2.3 0.690 0.690 47 40 15 0.75 1.020 5.00 negative 10 1.0 0.150 0.840 1.010 5.00 negative 1.277 1.005 6.00 negative 50 100 130 6.50 1.005 5.00 negative 1 0.1 0.130 1.407 1.407 TOTAL 52 364 3.64 53 Ave. Flow Rate

Explanation / Answer

Silver nitrate and Nitric acid is used to measure the amount of NaCl in urine. In collected urine 1/4th volume of nitric acid and 1/2 volume of silver nitrate added; it precipates NaCl.

Increased NaCl precipitate indicates polydepsia or Addisons disease or use of diuretic medication.

Decrease in amount shows Diabetes incipidus, edema, Cushing's syndrome.

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