Why do we fall ill ?

Question 1

What are some of the chemical substances cells are made of ?

Answer 1

Fats, lipids, proteins, carbohydrates

Question 2

define health

Answer 2

Health is a state of being well enough to function well physically, mentally and socially

Question 3

What is a disease?

Answer 3

Disease is a state of discomfort, caused due to an identifiable specific reason for this state.

Question 4

Name two organs that make up the digestive system . What is its function ?

Answer 4

intestines and stomach. responsible for digesting food taken in from outside the body.

Question 5

What makes up the musculoskeletal system ? What is its function ?

Answer 5

Muscles and bones.

holds the body parts together and helps the body move.

Question 6

Any disease that causes poor functioning of some part of our body will affect our health. Why is this ?

Answer 6

Because our body needs to be able to perform each and every single one of its functions in order to be healthy.

Question 7

What are the two main reasons for non-infectious diseases?

Answer 7

Genetic abnormalities and poor lifestyle/nutrition.

Question 8

diseases like common cold, influenza, dengue and AIDS are caused by which infectious agent?

Answer 8

viruses

Question 9

diseases like typhoid, cholera, tubercolosis and anthrax are caused by which infectious agent?

Answer 9

bacteria

Question 10

skin infections are usually caused by

Answer 10

fungi

Question 11

diseases like malaria and kalaazar are caused by which infectious agent?

Answer 11

protozoan

Question 12

which infectious agent is elephantiasis caused by?

Answer 12

worms

Question 13

What are communicable diseases?

Answer 13

Many microbial agents can move from an affected person to someone else ie “communicated”, and are hence known as communicable diseases.

Question 14

Give some examples of diseases that spread through air.

Answer 14

common cold, pneumonia, tubercolosis

Question 15

Other than sexual contact,in what ways can AIDS spread?

Answer 15

blood to blood contact, breast feeding or pregnancy

Question 16

What symptoms arise if lungs are targeted ?

Answer 16

coughing and breathlessness

Question 17

what symptoms arise if the liver is targeted ?

Answer 17

jaundice

Question 18

name some of the symptoms that arise if the brain is targeted

Answer 18

vomiting, headaches, or unconsciousness

Question 19

What do the severity of disease manifestations depend on?

Answer 19

The number of microbes in the body

Question 20

What mainly dictates the number of surviving microbes of a disease in our body?

Answer 20

the immune system

Question 21

Name a virus for which there are antiviral drugs .

Answer 21

HIV

Question 22

What are the two ways of preventing disease ?

Answer 22

General, by preventing exposure as well as specific to each disease.

Question 23

name some vaccines which form the public health programme of childhood immunisation

Answer 23

tetanus, whooping cough, diphtheria,measles, polio

Question 24

How are hepatitis viruses that cause jaundice transmitted?

Answer 24

through water

Question 25

Majority of children in India are already immune to hepatitis A virus by the time they are five years old. Why is this so?

Answer 25

They are exposed to the virus through the water.