Immune System Quiz

Which of the following can be considered a pathogen?

• Water

• Oxygen

• Certain kinds of bacteria

• Vitamins

What are lymphocytes?

• A type of bacteria.

• A type of white blood cell.

• A type of virus.

• A type of antigen.

What are the two types of lymphocytes mentioned?

(a)  

• A cells and B cells.

• T cells and B cells.
• X cells and Y cells.

• C cells and D cells.

What can activate a response from a T cell or B cell?

What role do many bacteria play in our bodies and the environment?

(a)  

• Harmful roles

• Helpful roles
• No roles

• Only in the environment

What is another function of antibodies besides binding to pathogens?

• To create new pathogens

• To mark pathogens for macrophages

• To destroy immune cells

• To ignore pathogens

What is the purpose of a vaccine?

(a)  

• To expose the body to an active form of a pathogen

• To expose the body to an inactive or weakened form
• To develop the disease from the vaccination itself

• To prevent the immune system from responding

What is the role of antibodies in vaccination?

• To weaken the immune system

• To produce a memory against the pathogen

• To cause the disease

• To make the body sick

How do vaccines help in fighting diseases?

(a)  

• By making the body weaker

• By exposing the body to active pathogens

• By helping the immune system remember the pathogen
• By causing the disease

What is the effect of vaccines on bacterial and viral diseases?

• They cause them to spread

• They eradicate some of them

• They make them stronger

• They have no effect