Exam 20: The Lymphatic System and Immunity

The primary immune response:

What cells decline in number during the final phase of HIV-1 infection,when an individual is said to have AIDS?

What cells display portions of the pathogens (antigens)they ingest on their plasma membranes?

What cells are responsible for cell-mediated immunological memory in which the immune response is expedited upon subsequent exposure to an antigen?

Clark received a vaccine to help protect him against the measles,but his childhood friend Nicole contracted the measles since she did not receive a vaccine.For each person,determine if active immunity or passive immunity is involved and explain why Clark benefitted from the vaccine.

Lymph drains into the blood of the low-pressure venous circuit at the subclavian veins.

Activated B cells differentiate into:

Describe the functions of the lymphatic system.

What organ is responsible for producing most of the plasma proteins known as the complement system?

What statement best describes the function of pyrogens?

What best describes lymphatic capillaries?

What type of cell is activated in lymphatic tissue by macrophages presenting antigens during a viral infection?

Determine the type of tissue grafts that would be most unlikely to experience rejection and explain why.

Membrane-attack complexes (MAC)can lead to cell lysis through their insertion into a target cell's plasma membrane.

Mucosa-associated lymphatic tissues (MALT)include the:

Which of the following is NOT a function of antibodies?

List the cardinal signs of inflammation.What is the purpose of inflammation?

A lack of memory cells mainly affects the primary immune response.

What part of an antibody is responsible for antigen recognition and binding?

All of the following are true statements EXCEPT: