Exam 12: The Lymphatic System and Body Defenses

The nonspecific defense by which complement proteins attach to sugars or proteins on the surface of foreign cells is called complement fixation.

Match the following biological function with its antibody class: -Cell that develops immunocompetence in the bone marrow

Using Figure 12.1, identify the following: -Lymphatic collecting vessels are indicated by ________.

Artificially acquired passive immunity is conferred when one receives immune serum for poisonous snake bites.

Explain how the innate and adaptive immune systems differ in their responses to foreign substances.

Large antigen-antibody complexes can become insoluble and settle out of solution, a reaction called ________.

Antigen presentation is essential for the activation of clonal selection of T cells.

T cells or B cells that are capable of responding to a specific antigen by binding to it with antigen-specific receptors that appear on the lymphocyte's surface are considered ________.

Which of the following best describes positive chemotaxis?

Which portion of the antibody's structure determines the antibody's class?

Which of the following is NOT one of the mucosa-associated lymphoid tissues (MALT)?

A(n) ________ is any substance capable of mobilizing our immune system and provoking an immune response.

Which one of the following is NOT True of the constant (C) regions of antibodies?

What are T lymphocytes (T cells) and B lymphocytes (B cells) self-tolerant of?

The most important function of the thymus gland is to destroy worn-out red blood cells and return some of the products to the liver.

Where do B cells develop immunocompetence?

Which of the following is NOT applicable to the third line of defense?

What are tissue grafts harvested from a different animal species called?

Which blood vessels receive lymph from the right lymphatic duct and the thoracic duct?

Xenografts are ideal donor organs or tissues since they rarely cause rejection.