Test: Diseases & Immunity - Year 11 MCQ

To produce antibodies

To identify pathogens

To prevent pathogens from entering the body

To destroy infected cells

Active immunity is acquired through vaccination or infection, while passive immunity is acquired through antibodies from another source.

Active immunity is provided by antibodies, while passive immunity is provided by white blood cells.

Active immunity lasts for a short time, while passive immunity is long-lasting.

Active immunity is immediate, while passive immunity develops over time.

Antigens are substances that stimulate the production of antibodies.

Antigens are cells that destroy pathogens.

Antigens are enzymes that break down toxins.

Antigens are nutrients that support immune function.

By directly killing pathogens

By providing immediate passive immunity

By stimulating the immune system to produce memory cells

By blocking pathogens from entering the body

To provide nutrients for growth

To offer long-term protection against all diseases

To transfer antibodies from the mother to the infant

To eliminate pathogens from the infant's environment

By using antibiotics

By ensuring clean water and proper sanitation

By increasing vaccination coverage

By isolating infected individuals

Vaccines

Skin

Antibiotics

Monoclonal antibodies

They act as barriers to prevent pathogen entry.

They stimulate the production of antigens.

They bind to antigens and help neutralize or destroy pathogens.

They enhance the absorption of nutrients.

Active immunity lasts for a short period, while passive immunity is long-lasting.

Active immunity is long-lasting, while passive immunity lasts only for a short time.

Both types of immunity last for the same duration.

Active immunity duration is indefinite, while passive immunity is always temporary.

Increasing the use of antibiotics

Promoting handwashing and hygiene practices

Administering antiviral medications

Avoiding all forms of physical contact