Exam 14: The Lymphatic System and Immunity

The lymph nodes that destroy pathogens in lymph returning from the legs are called:

In adaptive immunity, macrophages and helper T cells work together to ____________________.

The cells of innate immunity that produce histamine and leukotrienes are the ____________________ and ____________________.

Which statement is NOT true of adaptive immunity?

The process of complement fixation destroys noncellular antigens by:

An antibody molecule is made of ____________________ and is shaped like a ____________________.

In innate immunity, destruction of tumor cells by secretion of perforins is a function of:

Lymph nodules (in general) are located:

The first exposure to a pathogen such as the chickenpox virus often results in disease because antibodies are produced ____________________ to prevent it.

In innate immunity, the function of interferon is to prevent the reproduction of ____________________ within cells.

An example of passive immunity that is naturally acquired is ____________________.

The process of ____ requires a series of plasma proteins that will lyse cellular antigens.

The function of lymph nodes is to destroy pathogens in the:

Which class of antibodies is especially important in mucous membranes?

Which class of antibodies is able to cross the placenta?

In adaptive immunity, the ____________________ B cells remember a specific foreign antigen.

Placental transmission of antibodies provides:

The clumping of bacteria by attached antibodies is called:

Which class of antibodies is found on mast cells and is significant in allergic reactions?

Bacterial toxins may be inactivated because antibodies: