Ch. 24

antibodies

B cells give rise to plasma cells, which produce

is specific and has memory.

Acquired immunity is different than our innate immune defenses because it

active

After receiving a vaccination your body will develop ____________________ immunity.

true

An allergic reaction to poison ivy is an example of a delayed allergic reaction.

antigen

Any substance that triggers an immune response is called a(n)

IgE

Phil was exposed to parasitic worms on a recent field trip to the tropics. Under these conditions, which antibody levels would be higher than normal?

multiple sclerosis

Which of the following autoimmune diseases results from T cells attacking the myelin sheath covering nerve fibers?

all

Which of the following can act as an antigen? pollen bacteria and viruses mold and parasitic worms food

cytotoxic T cells

Which of the following cells attack and destroy virus infected cells as well as cancer cells?

helper T cells

Which of the following cells secretes cytokines to regulate immunity?

liver

Which of the following is not a lymphatic organ?

plasma B cells

Which of the following produce antibodies?

passive

Breast milk provides a baby with _________________ immunity.

active, passive

In ______ immunity the individual produces antibodies against particular pathogens while in ______ immunity the individual is given specific antibodies against a pathogen.

apoptosis

The process of programmed cell death is called

all

The symptoms of inflammation include swelling heat pain redness

pathogens

What are organisms that are capable of causing disease called?

all

Which of the following are barriers to entry? skin mucous membranes perspiration, saliva, and tears our normal bacterial flora

rheumatoid arthritis (RA)

Which of the following autoimmune diseases is characterized by chronically inflamed joints?