Clinical Immunology & Serology-Exam I questions with complete solutions

Antigen correct answer: Macromolecules that are capable of eliciting formation of immunoglobulins (antibodies) or sensitized cells in an immunocompetent host. Antibody correct answer: Serum factors in the blood formed in response to a foreign substance exposure. Antibodies are also know as immunoglobulins Another name for antibody correct answer: immunoglobulins Immunity correct answer: The condition of being resistant to infection variolation correct answer: the obsolete process of inoculating a susceptible person with material taken from a vesicle of a person who has smallpox Cross immunity correct answer: -The phenomenon in which exposure to one infectious agent produces protection against another agent. passive immunity correct answer: -Passively recieving antibodies from someone else. -Immediate response -Result short term immunity 3-4 months Sources of passive immunity correct answer: -Natural-Placental transfer -Acquired-Injection Active immunity correct answer: -Exposure to antigen (ag) and make own antibodies -Response:Days to weeks -Results usually life long immunity Abbreviation for antigen correct answer: ag Sources of active immunity correct answer: -Natural:Exposure to antigen (Ex Hep A) -Acquired: Vaccinated against antigen (Ex