QUESTIONS AND ANSWERS 313 



What blistering agents are adapted to the different domestic animals? 

 Cantharides for the horse, cantharides and red mercuric iodide 

 for bovines, and mustard for dogs and sheep. 



What are the indications for the use of counterirritants? Name five 

 counterirritants. 



1. To overcome congestion and inflammation in remote parts. 



2. To promote absorption of inflammatory products, locally. 



3. To relieve pain. 



4. To stimulate the heart, respiratory and nervous functions. 

 Cantharides, iodine, mustard, turpentine, and red mercuric 



iodide. 



What is the best antiferment in gastric flatulence? State the dose of 

 the antiferment and give the method of its administration. 

 Sodium hyposulphite. Dissolve 4 to 12 ounces in one quart of 

 water and give as a drench. 



What is chloral hydrate? How is it prepared? 



Chloral hydrate is a crystalline solid, occurring in colorless, 

 transparent crystals, having an aromatic, penetrating, and slightly 

 acrid odor and a bitterish, caustic taste. It is freely soluble in 

 water, alcohol, ether, and volatile oils. 



It is prepared by passing dry chlorine gas into alcohol until the 

 latter is saturated. It is purified by distillation with sulphuric 

 acid, and th«n with lime. 



Give the actions and uses of chloral hydrate. What is the dose for the 

 horse? 



It is a local irritant, antiseptic and stimulant. Internally, it has 

 a primary stimulating effect on the circulatory and central nervous 

 systems, but secondarily it depresses both. 



The drug is used to lessen irritability and produce sleep. Its 

 principal use is in spasmodic conditions such as colics, coughs, 

 chorea, tetanus, etc. It is one of the best antidotes to strychnine 

 poisoning. Used by some as a general anaesthetic, but is not as 

 reliable as chloroform. 



Dose for the horse, 1 to 2 ounces. Pour ounces are given for 

 anaisthetic purposes. 



Give the principal uses of viburnum prunifolium. 



It is used as a tonic, antispasmodic, nerve sedative, and anti- 

 abortive. It is principally used to prevent habitual abortion. 



