8.L.1.2 Epidemiology & Immunity CYU

Front

What is the primary reason five students got sick after a field trip to the aquarium?

Back

They contacted an infected person.

Front

What type of outbreak occurs when a large number of individuals in a specific area become sick?

Back

It is an epidemic.

Front

What term describes a disease that is prevalent throughout an entire country, continent, or the whole world?

Back

Pandemic.

Front

What is active immunity?

Back

Immunity that occurs when a person's own immune system produces antibodies in response to the presence of a pathogen, such as through vaccination.

Front

Why is there a continued need to develop new antibiotics?

Back

Bacteria are constantly mutating and developing resistance to antibiotics.

Front

What is the difference between an epidemic and a pandemic?

Back

An epidemic is a disease outbreak in a specific area, while a pandemic is an epidemic that spreads over a larger area, such as multiple countries or continents.

Front

What is herd immunity?

Back

Herd immunity occurs when a significant portion of a population becomes immune to a disease, making its spread unlikely.

Front

What role do vaccines play in immunity?

Back

Vaccines stimulate the immune system to produce antibodies, providing active immunity against specific pathogens.

Front

What is passive immunity?

Back

Immunity that is acquired through the transfer of antibodies from another source, such as from mother to child during breastfeeding.

Front

How do pathogens spread in a community?

Back

Pathogens can spread through direct contact, contaminated surfaces, air, water, and food.