Body defenses study quiz
Fever _______. causes the liver to sequester iron & zinc. decreases the metabolic rate of the body to conserve energy. directly kills pathogens by over-heating them. is a higher than normal body temperature that is always dangerous.
a
The redness and heat of an inflamed area are due to a local hyperemia caused by ___________. vasodilation vasoconstriction phagocyte mobilization complement production
a
Cells that can mount a faster and more powerful immune response when re-exposed to antigens: antigenic cells macrophages memory cells plasma cells T lymphocytes
c
Which of the following is associated with passive immunity? exposure to an antigen infusion of weakened viruses passage of IgG antibodies from a pregnant mother to her fetus booster shot of vacine
c
Which of the following is a part of the second line of defense against microorganisms? keratin cilia gastric juice phagocytes
d
Which of the following is NOT a surface membrane defense? mucous membranes respiratory mucus skin stomach acids tonsils
e
Cells that produce MOST antibodies: antigenic cells macrophages memory cells plasma cells T lymphocytes
? not B
Cells that control the immune response: A. helper T lymphocytes B. killer (cytotoxic) T lymphocytes C. macrophages D. plasma cells E. regulatory (supressor) T lymphocytes
A
Non-specific (innate) defenses include _______. a. B cells b. phagocytosis c. plasma cells d. T cells
B
Which of the following is NOT one of the cardinal signs of inflammation? heat fever pain redness swelling
B
__________ immunity is a mechanism by which the immune system protects us. Antigenic Cell-mediated Inflammatory Lymphocytic Platelet-derived
B
Macrophages are derived from: basophils fibroblasts lymphocytes monocytes phagosomes
D
Which of the following is not a characteristic of the adaptive immune system? It is antigen-specific It is systemic It has memory It is specific for a given organ
D
Cells that provide cell-mediated immunity: B lymphocytes fibroblasts granulocytes natural killer cells T lymphocytes
E
One of the body's first lines of defense: complement system fever immune system interferons mucous membranes
E
Cells that DIRECTLY attack pathogens: helper T lymphocytes keratinocytes killer (cytotoxic) T lymphocytes plasma cells regulatory (suppressor) T lymphocytes
C.
T/F: Substances capable of triggering the adaptive immune system and provoking an immune response are called antigens.
True
T/F: Soluble proteins secreted by plasma cells are called antibodies.
True
Chemicals that illicit (trigger) an immune response: antibodies antigens interferons lymphokines protogens
b
