Immunology/Serology questions with complete solutions

The study of hosts reaction when foreign substances are introduced into the body correct answer: Immunology A foreign substance that induces an immunologic response correct answer: Antigen The condition of being resistant to an infection correct answer: Immunity Cells that engulf cells correct answer: Phagocytes Serum factors in the blood formed in response to foreign substance exposure aka immunoglobulins correct answer: Antibodies Ability of the individual to resist infection by means of normal present body functions correct answer: Natural or innate immunity Type of resistance that is characterized by specificity for each individual pathogen, or microbial agent, and the ability to remember prior exposure which results in an increased response upon repeated exposure correct answer: Acquired immunity A trace constituent of serum originally thought to be an antibody to the c-polysaccharide of pneumocci correct answer: C-reactive protein (CRP) A series of serum proteins that are normally present in whose overall function is mediation of inflammation correct answer: Complement The most abundant of the coagulation factors in plasma, and it forms the fibrin clot correct answer: Fibrinogen