Microbiology Final Exam Review Flashcards 169 Questions With 100% Correct Answers

15. B cell response- agglutination {Ans: Agglutination= antibodies aggregate antigens, cross-linking cells into large clumps, enhances phagocytosis}16. What is the cause of DeGeorge's syndrome? {Ans: congenital absence or immaturity of thymus gland}What is the function of the protozoan cyst? {Ans: protozoan cyst= dormant resting stage when environmental conditions become unfavorable, thick cuticle around the cell membrane makes it resistant to heat, drying and chemicals}14. What is chemotaxis? {Ans: chemotaxis = tendency of cells to migrate in response to a specific chemical stimulus given off at a site of injury or infection}What is the cause of SCIDS? {Ans: genetic defect in development of T and B cells}14. What are the major components of the complement system? {Ans: 30 blood proteins that work in concert to destroy bacteria and certain viruses}