LABORATORY METHODS OF 



Find the specific gravity of the urine; note the dif- 

 ference between the normal gravity and this one. 



What is the cause of the decrease in gravity? 



Dilute the same urine to one-third and find gravity 

 again. 



Find the reaction of the urine you brought the first 

 day, also the gravity. 



What has taken place in the sample since you have 

 been studying it-? 



In case you have not enough urine to find the grav- 

 ity, how will you proceed to find it? 



What is the gravity? 



Test the sample of urine for urea after the hypo- 

 bromite method. 



What is the percentage of urea? 



What ureometer do you use, and what advantage 

 has it over other kinds? 



What is the formula for urea? 



Give the reaction between the solution and the urea. 



EXAMINATION OF SEDIMENT. 



Make a test of the sediment in the urine that has 

 become cloudy from standing twenty-four hours, and 

 determine the nature of the sentiment. 



