7.V HYGIENIC PHYSIOLOGY. 183 



ened by judicious labor. The stomach is a muscle, and, like 

 muscle generally, grows strong by use and weak by disuse. 

 The same laws should govern one in his daily exercise of every 

 organ brain, hand, and stomach. 



38. Is the old rule, " after dinner sit awhile," a good 

 one? 



Yes ; a certain period of rest, after a hearty meal, assists 

 the process of digestion. 



39. Wliat would you do if you had taken laudanum 

 by mistalw ? Paris green ? Sugar of lead ? Oxalic acid ? 

 Phosphorus from matches ? Ammonia ? Corrosive sub- 

 limate ? 



(See Physiology, p. 266.) 



40. IVJiat is the simplest way to produce vomiting, so 

 essential in case of accidental poisoning ? 



If mustard is at hand, mix a little thoroughly with warm 

 water, and drink immediately ; if mustard is not convenient, 

 warm soap-suds will do ; if neither is within reach, the finger 

 thrust gently down the throat may serve the purpose till other 

 means can be procured, or medical aid arrives. 



41. In what ^vay does alcohol- interfere with the diges- 

 tion ? 



" Alcohol in certain quantities will harden meat, and there- 

 by interfere with its digestion ; it will further precipitate pep- 

 sin and peptones ; and in large quantities it will also stop the 

 secretion of gastric juice, increase the secretion of mucus, and 

 even lead to vomiting." 



42. Is alcohol assimilated ? 



(See Physiology, p. 178.) 

 No. 



43. What is the effect of alcohol on the albuminous sub- 

 stances ? 



Pure brandy held in the mouth a short time will cause a 

 burning sensation, and the inside of the cheek will become 

 slightly whitened and corrugated. This effect is due to the 



