Question:
What is the difference between symptoms and signs of a disease?
Answer:
| Symptoms | Signs |
|---|
| 1. Symptoms are the indicators that there is some abnormality in the body. | 1. Signs provide information about the possibility of a particular disease. |
| 2. In general, symptoms are the problems which a patient feels or notices. | 2. Signs are the indications which the doctors find objectively. |
| 3. e.g. Patient feels hot and body ache which is symptoms. | 3. Doctors examine the patient and find the skin is hot and measures patient's body temperature which is the signs. |
Why Do We Fall Ill?
Q 1.
Give two examples for each of the following :
(a) Acute diseases
(b) Chronic diseases
(c) Infectious diseases
(d) Non-infectious diseases.
Q 2.
Give two examples of bacterial antibiotics.
Q 3.
In which of the following case do you think the long-term effects on your health are likely to be most unpleasant? a. if you get jaundice, b. if you get lice, c. if you get acne. Why?
Q 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 ?
Q 5.
Differentiate between communicable and non-communicable diseases. Give one example of each.
Q 6.
Name the vector which causes malaria.
Q 7.
Which amongst the two diseases : acute or chronic has adverse effect on the health of a person? Explain giving a suitable example.
Q 8.
Differentiate between acute diseases and chronic diseases.
Q 9.
Name a disease which was earlier considered to be chronic but now can be treated in short duration?
Q 10.
Why is it important that we think of these categories of infectious agents?
Q 11.
Classify infectious agents into different categories and also mention the diseases caused by them.
Q 12.
Becoming exposed to or infected with an infectious microbe (toes not necessarily mean developing noticeable disease. Explain.
Q 13.
Why are we normally advised to take bland and nourishing food when we are sick?
Q 14.
Why Colostrum is good for infants?
Q 15.
Majority of children in many parts of India are already immune to Hepatitis A by the time they are five years old. Why ?
Q 16.
List any four essential factors that must be taken icare of by an individual for keeping good health.
Q 17.
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 ?
Q 18.
What precautions will you take to justify “prevention is better than cure” ?
Q 19.
How can we prevent water borne and vector borne infections ?
Q 20.
(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]
Q 21.
What is inflammation ? Write the symptoms of this in human body.
Q 22.
What do you mean by immune response ? , [SAII – 2014]
Q 23.
Define Health? What do you interpret when we say a person is in good health?
Q 24.
Differentiate between Acute Diseases and Chronic Diseases.
Q 25.
Name the vector which causes dengue, chikungunya and yellow fever.
Q 26.
Name the vector that can cause sleeping sickness.
Q 27.
What do you mean by immunity?
Q 28.
What do you mean by Phagocytosis?
Q 29.
(i) Which bacterium causes peptic ulcers ?
(ii) Who discovered the above pathogen for the first time ?
Q 30.
What is an antibiotic ? Give its one example.
Q 31.
Why do some children fall ill more frequently than others living in the same locality ?
Q 32.
Why making anti-viral medicines is harder than making anti-bacterial medicines ?
Q 33.
State any two conditions essential for being free of disease.
Q 34.
Are the answers to the above questions (Q2 and Q5) and necessarily the same or different? Why?
Q 35.
What are congenital diseases? Give two examples of such disease.
Q 36.
Name the protozoan pathogen that causes kala-azar.
Q 37.
Give an example of fungal antibiotic.
Q 38.
Write differences between 'Being Healthy' and 'Disease Free'.
Q 39.
What is an antibiotic ? Give two examples.
Q 40.
Name any four diseases transmitted through vectors.
Q 41.
What do signs and symptoms indicate if a person is suffering from any disease ? [SAII -2014]
Q 42.
Give four modes of transmission of AIDS.
Q 43.
(i) What is an epidemic disease ?
(ii) Which organ is affected if a person is suffering from jaundice ?
Q 44.
What is a disease ? How many types of diseases have you studied ? Give examples.
Q 45.
You have suffered from chickenpox, when you were in class three. Why will you not suffer from it again ? [SAII -2014]
Q 46.
Name the microbe which causes acne.
Q 47.
What precautions can you take in your school to reduce the incidence of infectious diseases?
Q 48.
Who discovered ‘vaccine’ for the first time ? Name two diseases which can be prevented by using vaccines.
Q 49.
Give four examples of Chronic diseases.
Q 50.
A doctor/nurse/health-worker is exposed to more sick people than others in the community. Find out how she/he avoids getting sick herself/himself.
