TESTS 359 



11. How would you make five tests for the detection of adulterants ? 



12. What are both sides of the alcohol question? 



13. What proof have we that alcohol is a poison? 



14. What are the chief types of fakes in the patent medicine game ? 



Practical Problems 



1. Give examples of ten cheap foods that are good foods. Justify 

 your statement. 



2. It is said that an American eats twice as much meat as a French- 

 man. Are there any reasons why he should do this ? 



3. A boy weighing 125 lbs. uses about 150 Calories in slowly walking 

 3 miles. How many Calories will he use in taking a 10-mile hike? 

 Suppose he should speed up his rate of walking. Would he use more 

 Calories for the same distance? 



4. Estimate your own Calorie needs for a hike of 12 miles, walking 

 moderately all the way. 



5. If food costs 5 cents per 100 Calories, would it be cheaper to pay 

 8 cents for carfare or walk a mile and a half to school ? 



6. Suppose you were ill and had to use milk as a food. How much 

 milk per day would you have to take to supply your basal metabolism 

 for 24 hours? 



7. Make a collection of patent medicine labels to show the various 

 kinds and amounts of alcohol and poisons contained therein. Classify 

 them according to the harm they do; according to the drugs they 

 contain. 



Useful References 



Ellis and Macleod, Vital Factors of Foods, Vitamins and Nutrition. 

 (D. Van Nostrand Co. 1915.) 



Farmers' Bulletins, 23, 34, 42, 85, 93, 121, 128, 132, 142, 182, 249, 

 256, 295, 298, 717, 817, 824, 975, 1313, 1383. 



Funk, The Vitamines. (Williams & Wilkins. 1922.) 



Harrow, Vitamines. (E. P. Dutton & Co. 1922.) 



Hunter, Laboratory Problems in Civic Biology. (American Book Com- 

 pany.) _ 



Lusk, Science of Nutrition. (W. B. Saunders Co.) 



Nostrums and Quackery. American Medical Association, Chicago. 



O'Shea, Tobacco and Mental Efficiency. (The Macmillan Co. 1923.) 



Sherman, Chemistry of Food and Nutrition. (The Macmillan Co. 1926.) 



Starling, Hutchinson, Mott, Pearl, The Action of Alcohol on Man. 

 (Longmans Green & Co. 1923.) 



Stiles, Nutritional Physiology. (W. B. Saunders Co. 1924.) 



