Question

Infectious diseases are diseases that can spread from an infected person to a healthy person. Which of the following can make you ill if you come in contact with an infected person?

1.

Genetic abnormality

2.

Blood cancer

3.

High blood pressure

4. Sneezing and coughing

Answer 1

Correct Answer - Option 4 : Sneezing and coughing

Concept:

• Any condition which interferes with the normal functioning of the body and causes disorder of the body and mind is called a disease. 
• The organisms that cause disease are called pathogens.
• The disease can be broadly divided into two types:

1. Infectious diseases - These are diseases that can be spread from one person to another. Eg. HIV, Tetanus, Hepatitis-B.
2. Non-Infectious disease - These are diseases that cannot be spread from one person to another. Eg. Cancer, Genetic abnormality, High blood pressure​.

​Explanation:

Transmission of Infectious diseases occurs in the following ways:

1. Through the exchange of body fluids like saliva, semen, blood, etc.
2. Through the air as droplets or aerosol particles (airborne) - Sneezing & Coughing
3. Through sexual contact
4. Through contact with contaminated food or water

Thereby, the correct option is ''Sneezing and coughing''