Infectious Agents and Immune Response

Front

What is the study of the spread of disease?

Back

Epidemiology is the study of how diseases spread and can be controlled.

Front

Which bacterial disease is known for causing severe diarrhoea and dehydration?

Back

Cholera is a bacterial disease that leads to severe diarrhoea and dehydration.

Front

What are the two main types of infectious agents?

Back

The two main types of infectious agents are bacteria and viruses.

Front

What is a virus?

Back

A virus is a tiny infectious agent that can only replicate inside the living cells of an organism.

Front

What is a bacterium?

Back

A bacterium is a single-celled microorganism that can exist independently or as a parasite.

Front

What is the immune response?

Back

The immune response is the body's defense mechanism against infectious agents.

Front

What are antibodies?

Back

Antibodies are proteins produced by the immune system to identify and neutralize foreign objects like bacteria and viruses.

Front

What is the difference between a virus and a bacterium?

Back

Viruses require a host cell to replicate, while bacteria can reproduce independently.

Front

What is an example of a beneficial bacterium?

Back

Lactobacillus is a beneficial bacterium found in yogurt that aids digestion.

Front

What is the role of white blood cells in the immune system?

Back

White blood cells help protect the body against infections by attacking pathogens.