DETAILED ANSWERS (VERIFIED ANSWERS) ALREADY
GRADED A+
innate resistance Ans✓✓✓protection from pathogens that does not rely
on previous exposure to the pathogen. Defenses we are born with.
First line of defense Ans✓✓✓intact skin, mucous membranes and their
secretions, normal microbiota
second line of defense Ans✓✓✓protective cells and fluids;
inflammation and phagocytosis - nonspecific. Immediate. Calls in 3rd
line
third line of defense Ans✓✓✓Immunocyte Response. Acquired defense
Antigen Ans✓✓✓a toxin or other foreign substance that induces an
immune response in the body, especially the production of antibodies.
antibody Ans✓✓✓An antigen-binding immunoglobulin, produced by B
cells, that functions as the effector in an immune response.
passive acquired immunity Ans✓✓✓Transfer of antibodies (IgG) from
the mother to the fetus in utero. Immediate, Powerful. Disease Specific.
Short lived, temporary
, mast cells Ans✓✓✓Cells that release chemicals (such as histamine) that
promote inflammation.
Macrophages Ans✓✓✓Found within the lymph nodes, they are
phagocytes that destroy bacteria, cancer cells, and other foreign matter
in the lymphatic stream.
Neutrophils Ans✓✓✓Most abundant white blood cell., The most
abundant type of white blood cell. Phagocytic and tend to self-destruct
as they destroy foreign invaders, limiting their life span to a few days.
Lymphocytes Ans✓✓✓The two types of white blood cells that are part
of the body's immune system: B lymphocytes form in the bone marrow
and release antibodies that fight bacterial infections; T lymphocytes
form in the thymus and other lymphatic tissue and attack cancer cells,
viruses, and foreign substances. Leak Inflammatory Mediators
T and B cells Ans✓✓✓two types of lymphocytes
Degranulation Ans✓✓✓the emptying of granules from the interior of a
mast cell into the extracellular environment.
granulating tissue Ans✓✓✓pink, healthy, healing tissue