What is an Alterative? A medicine employed to 

 modify the nutritive process of the body when in 

 a diseased condition. 



What is a Demulcent? A substance which lubri- 

 cates the surface to which applied and prevents the 

 contact of irritating substances. 



What is an Anaesthetic? Gaseous vapors em- 

 ployed to produce surgical anaesthesia. 



How would you test urine for Albumen? By 

 acidulating with nitric acid and boiling, which will 

 coagulate the albumen. 



Why is the Acid used? To keep the phosphates 

 in solution. 



What are Organic Compounds ? Compounds con- 

 taining carbon, whether of animal or vegetable 

 origin. Practically all carbon compounds are or- 

 ganic compounds, and all so-called organic com- 

 pounds are carbon compounds. 



How would you detect Sugar in the urine? By 

 boiling a few drops of the urine in a solution of 

 sulphate of copper and liquor potassa a yellowish 

 red precipitate will denote the presence of Sugar. 



How would you detect Bile in urine? By drop- 

 ping nitric acid upon a small quantity of the urine 

 placed on a glass or plate, when a peculiar play of 

 colors will appear, green yellow and violet. 



What is the ordinary normal specific gravity of 

 healthy urine? Between 1.015 and 1.025. 



About what quantity is usually passed in 24 

 hours? From 40 to 45 ounces. 



What should be its reaction? Slightly acid. 



How may recovered alcohol be purified? By dis- 

 tillation. 



Is Glycerin heavier or lighter than water? Heavier. 



What are Local Remedies? Medicines applied 

 externally. 



61 



