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1.	Under which of the following conditions is a person most likely to fall sick? (a) when she is recovering from malaria. (b) when she has recovered from malaria and is taking care of someone suffering from chicken-pox. (c) when she is on a four-day fast after recovering from malaria and is taking care of someone suffering from chicken-pox. Why?
Answer» (c) A person is more likely to fall sick when she is on a four day fast after recovering from malaria and is taking care of someone who is suffering from chicken pox. This is because she is fasting during recovery, and her immune system is so weak that it is not able to protect its own body from any foreign infection. If she is taking care of someone suffering from chicken pox, then she has more chances of getting infected from chicken pox virus and will get sick again with this disease.

2.	Why are we normally advised to take bland and nourishing food when we are sick?
Answer» When we are sick the normal body functions get disturbed. In such situation food that is easily digestible and contains adequate nutrients are required for the speedy recovery. Thus bland and nourishing food is given during sickness.

3.	What are the different means by which infectious diseases are spread?
Answer» The different modes of transmission of infectious diseases are : `rarr` Through Air : Certain disease-causing micro-organisms are exepelled in air by coughing, sneezing. Talking etc. These micro-organisms can travel through dust particles or water droplets in ait to reach other people. For example, tuberculosis, pneumonia, etc spread through air. `rarr` Through Water : Sometimes causal micro-organisms get mixed with drinking water and spread water borne diseases. Cholera for example is water borne disease `rarr` Through sexual Contact : Sexual act between two people can lead to the transfer of diseases such as syphilis, gonorrhoea, AIDS, etc `rarr` Through Vectors : Certain diseases spread by animals called vectors. For example mosquitoes spread malaria.

4.	List any three reasons why you would think that you are sick and ought to see a doctor. If only one of these symptoms were present, would you still go to the doctor? Why or why not?
Answer» Common symptoms which indicate sickness are : `rarr` Headache `rarr` Cough `rarr` Dysentery If only one of these symptoms is present, we usually do not visit a doctor. This is because such symptoms do not have much effect on our general health and ability to work. However, if a person is expreiencing these symptoms for quite sometime, then he needs to visit a doctor for proper treatment.

5.	Are the answers to the above questions necessarily the same or different? Why?
Answer» To some extent they are the same, because if the conditions that are essential for good health are maintained than automatically the changes of getting a disease will be minimized. But at the same time, we can say that they are different because being health or good health means physical, mental and social well-being while being disease-free means not suffering from a particular disease.