140 LABORATORY METHODS OF 



Keep the urine in a tightly stoppered bottle to prevent 

 evaporation. From the total quantity for the whole 

 twenty-four hours samples should be taken to make 

 tests. 



SPECIFIC GRAVITY. 



With the urinometer take the gravity of the urine 

 and note the same. Dilute the urine one-half and take 

 the gravity again. Note the result. Give the range of 

 gravity in normal urine. Name what conditions will 

 increase the gravity ; also what conditions will decrease 

 the same. (See Physiology.) 



NORMAL COI/DR. 



What is the normal color of urine? Give the cause 

 of the same. Note the color of ten specimens of urine. 

 (Read Physiology on the urine.) 



REACTION OF URINE. 



The reaction of urine is due to what? Under what 

 circumstances is it alkaline? How do you test the 

 reaction of the urine? 



COMPOSITION OF URINE. 



Total grams 1,500.000 



Water 1,440.000 



