AP Biology Immune System Quiz

Which type of immunity involves physical barriers such as skin and mucous membranes?

Which cells are primarily responsible for producing antibodies?

Antibodies are best described as:

Which immune cells directly kill infected body cells?

What is the main function of helper T cells?

A pathogen is:

Which organ is responsible for maturation of T cells?

The specific molecule recognized by an antibody is called a(n):

Vaccination provides protection by:

Which cells are part of the first line of defense?

Inflammation is characterized by:

Macrophages protect the body mainly by:

Which type of immunity results from receiving antibodies from another source?

A secondary immune response is faster because of:

HIV primarily attacks which immune cells?

The complement system helps immunity by:

Which molecule allows infected cells to display viral proteins to T cells?

Autoimmune diseases occur when:

Which immune response involves antibodies circulating in body fluids?

Why are antibiotics ineffective against viruses?