Exam 24: The Immune System

Match the cell type with its description. -Cytotoxic, these cells are associated with allergic reactions and parasitic infestations.Usually these cells are less than 3% of the leukocyte population, and only live up to 12 hours.

Meghan thinks she has an abscessed tooth.If she does, what type of white blood cell would you expect to see in elevated numbers in a differential count?

________ are clusters of lymphatic nodules located beneath the epithelial lining of the small intestine.

When the immune system creates a response that is overblown in relation to the threat it has been exposed to, the response is called an

Describe the various effects of antibodies in an immune response.

A fluid sample contains a large amount of IgA type antibody.This fluid is probably

Tom has just been exposed to the measles virus, and he can't remember if he has had measles before.He asks you if there is any way he can tell if he has been previously exposed or if he is going to get sick.What would you tell him? Why won't he get sick from a second infection?

Match the cell type with its description. -Estimated to reach populations of one trillion in normal adults, most of these cells reside in the lymphoid tissues of the body.These cells look quite similar to one another under the microscope, yet function very differently.

Joey is 6 months old and requires a blood transfusion; his blood type is B.What type of blood may he receive? Is his age a factor in your answer? What would happen if he received a "wrong" blood type? If Joey were younger, is it possible that there is no "wrong" blood type? Why may it surprise a beginning physiology student, familiar with the basics of immunology, that a person could mount an immediate immune response to transfused blood? Explain all of your answers.

________ are fixed macrophages located in the epithelia of the skin.

A sample of tissue from an injury shows a large number of basophils.This would indicate that the tissue was

Match the type of immunity to its description. -Antibodies in breast milk protect a newborn baby from pathogens.

A patient has elevated neutrophils and monocytes with normal levels of basophils, eosinophils, and lymphocytes.Which of the following is the most likely cause of these test results?

Draw a concept map illustrating the immune response to bacterial infection.

What do virus-infected cells and cancer cells have in common, related to the type of immune response and its long-term effectiveness?

A person's blood type is determined by

Match the immunoglobulin to its description. -binds to mast cells, triggering degranulation

The cells responsible for the production of circulating antibodies are

Match the immunoglobulin to its description. -physiological role is unclear

The cells responsible for cell-mediated immunity are the