Exam 12: Body Defenses

Defense against cancer cells involves an interplay among cytotoxic T cells, NK cells, macrophages, and interferon and is known as immune _________.

Which type of leukocyte has a derivative known as the plasma cell?

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 -Hereditary condition in which both B and T cells are lacking

Which of the following is not accomplished by antibodies?

B and T cells that are no longer needed undergo ____________________ to ensure that a specific immune response is self-limiting.

Chemotaxins

Indicate whether the characteristic applies to active immunity or passive immunity by writing the appropriate letter in the blank using the following answer code. a.active immunity b.passive immunity -Exposure to antigen required for immunity to develop

The first human vaccination developed by Jenner was

The primary purpose of the vascular changes in an invaded or injured area is to

B cells do not display MHC molecules on their surface.

Select the most abundant immunoglobulin in the blood.

Indicate the characteristics that apply to bacteria and viruses by using the following code: a.bacteria b.viruses c.bacteria and viruses -Can transform normal host cells into cancer cells

Match the defense molecule with the correct characteristic. a.lactoferrin b.glucocorticoids c.histamine d.pyrogens e.opsonins f.complement g.antibodies h.interferon -Released from mast cells and causes localized vasodilation in a region of tissue damage

Cytotoxic T cells are one of several kinds of lymphocytes that early in life mature and differentiate within the bone marrow.

Lactoferrin is a protein that binds with iron and is secreted from neutrophils.

Indicate whether the characteristic applies to active immunity or passive immunity by writing the appropriate letter in the blank using the following answer code. a.active immunity b.passive immunity -Often confers long-lasting immunity

Match the antibody type with the correct characteristic. a.IgA b.IgM c.IgG d.IgD e.IgE -Found in secretions of digestive, respiratory, and genitourinary systems and in milk and tears

Match the defense molecule with the correct characteristic. a.lactoferrin b.glucocorticoids c.histamine d.pyrogens e.opsonins f.complement g.antibodies h.interferon -Stimulates production of viral-blocking enzymes

The ____________________ formed by the complement system and imbedded in the microbial membrane surface brings about lysis of the microbe.

Interferon is released only from phagocytic cells that have been invaded by viruses.