Page 76 - SST Class 05

antibiotic : a substance that can destroy bacteria and prevent/cure infection.
surgery : an operation in which a body part is cut open for treatment.
anaesthesia : a drug to make a body part numb.
vaccine : a medicine to produce antibodies to prevent diseases.
pasteurization : the process of heating to kill harmful bacteria.

Facts

• Modern medical science has helped to make life healthier and longer.
• A clinical thermometer is used to measure body temperature.
• A stethoscope is used to listen to the sounds of the internal body organs.
• A microscope helps to see a magnified version of an object.
• An X-ray machine helps to look inside the body.
• Different medicines, antibiotics, surgery and vaccination have played a major role in curing
different types of diseases.
• Surgery is undertaken to treat an internal body organ.

• Vaccination helps to prevent the occurrence of a disease.
• Pasteurization is a way to kill germs in milk, food etc.
• There are a few simple rules to stay healthy.

XERCISE

A. Tick (3) the right option :

1. Health has ____________ importance in life.
(a) highest (b) lowest (c) ordinary
2. You can measure the body temperature with the help of a ____________ .
(a) stethoscope (b) clinical thermometer (c) microscope
3. The stethoscope was invented by ____________ .
(a) Gabriel Daniel Fahrenheit (b) Rene Laennec (c) Galileo
4. You can look within the body with the help of a/an ____________ .

(a) X-ray machine (b) glucometer (c) microscope
5. You cut open a body part in ____________ to treat.
(a) X-ray (b) surgery (c) vaccine
6. ____________ is used to prevent diseases.
(a) pasteurization (b) vaccination (c) both of these

B. Write TRUE or FALSE :
1. Modern medical science has helped to make life healthier and longer. _______
2. Mercury is used in a clinical thermometer. _______
3. A stethoscope makes a tiny object look many times over. _______

76 Contemporary Social Science-5