512 MAN CONTROLS HIS ENVIRONMENT FOR HEALTH 



Review Summary 



Test your knowledge of the unit by: (1) rechecking on the survey ques- 

 tions ; (2) performing the assigned exercises ; (3) checking with your teacher 

 your scores on the various tests and doing over those that you missed ; (4) mak- 

 ing an outline of the unit for your work book. 



Test on Fundamental Concepts 



In a vertical column under the heading CORRECT write numbers of all statements you be- 

 lieve are true. In another column under INCORRECT write numbers of untrue statements. 

 Your grade = right answers X 2. 



I. Quarantine (1) is necessary because it gives the patient a rest; 

 (2) is necessary because by isolating a person sick with a disease we may 

 keep others from having it; (3) is useless except in early stages of 

 disease ; (4) is an unselfish action because it protects others ; (5) should 

 be enforced on all persons who have had contact with a person ill 

 with communicable disease until the incubation period of that disease 

 has been passed. 



II. Immunity (6) means that a person can never take a certain 

 disease, no matter if he is exposed to it ; (7) is always specific, that is, 

 against one disease (A person may be immune to smallpox and be 

 susceptible to measles) ; (8) is never restricted to certain races, whites 

 and Negroes being equally susceptible to tuberculosis ; (9) is natural 

 to some people but not to others; (10) is not modified by a person's 

 condition. 



III. Active immunity (11) is gained by means of antitoxins; 

 (12) takes place when the body helps to fight the disease by making 

 antibodies in the blood ; (13) is brought about against smallpox through 

 vaccination ; (14) is gained in typhoid through the introduction of dead 

 germs with their toxins ; (15) is not possible unless the blood makes 

 antibodies. 



IV. Passive immunity (16) occurs when the body fights the disease 

 by making its own antitoxins; (17) is seen in the antitoxin treatment 

 against diphtheria ; (18) is brought about when an antitoxin is formed 

 outside the body and is injected into the body to help fight the disease ; 

 (19) is shown by Schick test and Dick test ; (20) is not useful, for sta- 

 tistics show it has not reduced the death rate in diphtheria. 



V. The way to keep well (21) is to have immunity against all the 

 diseases given at once and get it over with ; (22) is to keep the body 



