Exam 12: Body Defenses

Antibody proteins consist of two heavy and ____________________ light polypeptide chains.

Match the defense molecule with the correct characteristic. a.lactoferrin b.glucocorticoids c.histamine d.pyrogens e.opsonins f.complement g.antibodies h.interferon -Enhance(s) phagocytosis by linking the foreign cell to a phagocytic cell

Most of the T cells generated during a primary immune response die by means of apoptosis a few weeks after the infection responsible for their production clears.

____________________ refers to the body's ability to resist or eliminate potentially harmful foreign materials or abnormal cells.

A large, complex molecule that triggers a specific immune response against itself when it gains entry into the body is known as

Which of the following is not attributable to the immune defense system?

Antibodies are not able to directly destroy invading organisms.

Which of the following does not help defend against cancer?

Indicate which type of T cell is being described by writing the appropriate letter in the blank using the following answer code: a.cytotoxic T cells b.helper T cells c.suppressor T cells -Serve to limit immune reactions in a check and balance relationship with the other lymphocytes

Endogenous pyrogens released by macrophages cause the hypothalamus to elevate body temperature during times of infection.

Indicate which type of T cell is being described by writing the appropriate letter in the blank using the following answer code: a.cytotoxic T cells b.helper T cells c.suppressor T cells -Secrete interleukin 2

Which of the following would not present an foreign antigen within MHC-2 glycoproteins?

When an antigen gains entry to the body, it stimulates all of the B cells to produce antibodies specific against it.

Immune surveillance refers to the body's ability to resist or eliminate potentially harmful foreign invaders.

Indicate which type of T cell is being described by writing the appropriate letter in the blank using the following answer code: a.cytotoxic T cells b.helper T cells c.suppressor T cells -Destroy host cells bearing foreign antigen

Use this figure to answer the corresponding questions. -Number ____ identifies a helper T cell's co-receptor, called ____________________.

Discuss the development of a fever and its benefit.Include the following in your answer: macrophage, prostaglandins, interleukin-1, tumor necrosis factor, antigen, and pyrogen.

____________________ tissues store, produce, or process lymphocytes.

Indicate the immune response associated with the specific ailment below. a.serum sickness b.immediate hypersensitivity c.acquired immune deficiency syndrome d.delayed hypersensitivity e.immune-complex disease f.autoimmune disease g.severe combined immunodeficiency -Allergic response mediated by T cells

Specific immune responses