Why are we normally advised, to take bland and nourishing food when we are sick ? [SAII – 2011, 2013]
When a person is sick, then his normal body functions get disturbed. In such a situation, such food is required which is easy to digest and contains adequate nutrients for the speedy recovery. Thus, bland and nourishing food is required during sickness.
Give two examples for each of the following :
(a) Acute diseases
(b) Chronic diseases
(c) Infectious diseases
(d) Non-infectious diseases.
Which amongst the two diseases : acute or chronic has adverse effect on the health of a person? Explain giving a suitable example.
Majority of children in many parts of India are already immune to Hepatitis A by the time they are five years old. Why ?
(i) Why a person suffering from AIDS cannot fight even small infections ?
(ii) In a slum area, many people are suffering from malaria. Mention any two unhygienic conditions that must be prevailing in that locality.
(iii) Why female Anopheles mosquito feeds on human blood ? [SAII – 2014]
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 ?
Classify infectious agents into different categories and also mention the diseases caused by them.
Becoming exposed to or infected with an infectious microbe (toes not necessarily mean developing noticeable disease. Explain.
Differentiate between communicable and non-communicable diseases. Give one example of each.
What do signs and symptoms indicate if a person is suffering from any disease ? [SAII -2014]
A baby is not able to tell her / his caretakers that she / he is sick. What would help us to find out:
(a) that the baby is sick ?
(b) what is the sickness ?
(i) Which bacterium causes peptic ulcers ?
(ii) Who discovered the above pathogen for the first time ?
Many vaccines form the public health programme of childhood immunisation for preventing infectious disease. Name any two such diseases.
List any four essential factors that must be taken icare of by an individual for keeping good health.
(i) What is an epidemic disease ?
(ii) Which organ is affected if a person is suffering from jaundice ?
Under which of the following conditions are you most likely to fall sick ?
(a) when you are taking examinations.
(b) when you have travelled by bus and train for two days.
(c) when your friend is suffering from measles. Why ?
Who discovered ‘vaccine’ for the first time ? Name two diseases which can be prevented by using vaccines.
What are the immunisation programmes available at the nearest health centre in your locality? Which of these diseases are the major health problems in your area ?
“On exposure with an infectious microbe does not necessarily mean developing noticeable disease”. Do you agree ? Explain with reason. If yes, how severe infections occur in our body ?
Why do some children fall ill more frequently than others living in the same locality ?