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 ?
(a) The following symptoms will help us to find out that the baby is sick :
(i) Repeated crying and not responding to any stimuli.
(ii) High body temperature.
(iii) Loose motions.
(iv)Drooping of eyes.
(v) Redness of eyes.
(b) The following signs will help us to find out what is the sickness :
(i) Yellowing of eyes, pale skin and passing of yellow urine indicate that baby is suffering from jaundice.
(ii) Redness in the eye and persistent rubbing of eyes indicate about eye-flu.
(iii) Gripping pain in the stomach, loose skin and repeated loose motions indicates about diarrhoea.
(iV) High fever, headache, nausea, muscular pains and feeling very cold and shivering indicates about malaria.
(v) If only fever is there with no other visible symptoms then laboratory tests are to be done which will reveal about the signs of any disease.
Give two examples for each of the following :
(a) Acute diseases
(b) Chronic diseases
(c) Infectious diseases
(d) Non-infectious diseases.
(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]
Many vaccines form the public health programme of childhood immunisation for preventing infectious disease. Name any two such diseases.
Majority of children in many parts of India are already immune to Hepatitis A by the time they are five years old. Why ?
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 ?
Who discovered ‘vaccine’ for the first time ? Name two diseases which can be prevented by using vaccines.
(i) What is an epidemic disease ?
(ii) Which organ is affected if a person is suffering from jaundice ?
Classify infectious agents into different categories and also mention the diseases caused by them.
Explain giving reasons :
(a) Balanced diet is necessary for maintaining healthy body.
(b) Health of an organism depends upon the surrounding environmental conditions.
(c) Our surrounding area should be free of stagnant water.
(d) Social harmony and good economic conditions are necessary for good health.
Which amongst the two diseases : acute or chronic has adverse effect on the health of a person? Explain giving a suitable example.
Why are we normally advised, to take bland and nourishing food when we are sick ? [SAII – 2011, 2013]
What precautions can you take in your school to reduce the incidence of infectious diseases ?
“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 ?
Becoming exposed to or infected with an infectious microbe (toes not necessarily mean developing noticeable disease. Explain.
Why do some children fall ill more frequently than others living in the same locality ?
State giving reasons whether the following statements are correct or not: