Exam 20: The Lymphatic System and Immunity

Lymph capillaries form a two-way system that moves lymph to and from the heart.

Determine for what condition Jourdan should take an antipyretic medication.

Mr.Hartsell,a 70-year-old man,had his thymus gland removed as a treatment for an autoimmune disease he has.Predict the effect of his thymectomy on T cell production.

Madison wants to give a kidney to her older sister.What type of organ transplant will this be?

If the thymus shrank and stopped making hormones in a child,we would expect to see a decrease in the number of:

A patient has a high level of pyrogens,indicating that she:

What type of immunity exists even in the absence of a stimulus?

Which of the following confers passive immunity?

Explain how a type I,or immediate,hypersensitivity is different from a typical primary immune response.

Discuss the contribution of vasodilation to the inflammatory response.

Where do T cells become immunocompetent?

Explain how mucosa-associated lymphatic tissues (MALT)complement the function of the lymph nodes in the lymphatic system.

What cells play an extensive role as phagocytes in the eradication of bacteria?

Explain the role of major histocompatibility complex (MHC)molecules in T cell activation.

Which antibody is NOT secreted by B cells in significant amounts?

What is a determinant for organ compatibility and rejection of transplants?

Bacterial infections and viral infections progress through an identical sequence of events during the immune response.

List the five major classes of antibodies.Which one is the most prevalent in the body?