Complement fixation - Study guides, Class notes & Summaries

MICROBIOLOGY EXAM 4 (PRACTICE QUESTIONS) WITH COMPLETE SOLUTIONS 100% All of the following are generally used in vaccines EXCEPT... a. toxoids b. parts of bacterial cells c. live, attenuated viruses d. inactivated viruses e. antibodies - correct answer e. antibodies A reaction between an antibody and soluble antigen-forming lattices is called a(n)... a. agglutination reaction b. complement fixation c. immunofluorescence d. neutralization reaction e. precipitation reaction. -...

What term describes the morphology of organisms that vary in size and shape? A. psychrophilic B. thermophilic C. mesophilic D. pleomorphic - D. Pleomorphic Capsules are basis of which test? A. complement fixation B. hemagglutination C. serotyping D. chemiluminescence - C. Serotyping

MICR 271 TESTED QUESTIONS WITH REVISED ANSWERS – UPDATED!!! How do complements work? - Answer-circulate in blood, inactive, if activated: increased inflammation of local cells enhanced phagocytosis or formation of channel forming complex called membrane attack complex (causes lysis of pathogen), effective against gram negative bacteria (it can pierce outer membrane Distinguish between the different methods natural killer cells use to destroy their cell targets - Answer-kill cells by sec...

Autoimmune Hemolytic Anemia is a group of disorders characterized by - correct answer malfunction of the immune system where antibodies are produced against antigens on the surface of RBSs, resulting in hemolysis T/F RBC survival is proportional to the amount of antibody on the RBC surface; therefore the greater the amount of antibody the more rapidly the RBC is destroyed. - correct answer True Intravascular Hemolysis is - - correct answer RBC lysis in circulation - Antibodies bind t...

Microbiology Exam 4 (Practice Questions) & Answers 2024 All of the following are generally used in vaccines EXCEPT... a. toxoids b. parts of bacterial cells c. live, attenuated viruses d. inactivated viruses e. antibodies - ANSWER-e. antibodies A reaction between an antibody and soluble antigen-forming lattices is called a(n)... a. agglutination reaction b. complement fixation c. immunofluorescence d. neutralization reaction e. precipitation reaction. - ANSWER-e. precipita...

Autoimmune Hemolytic Anemia is a group of disorders characterized by - malfunction of the immune system where antibodies are produced against antigens on the surface of RBSs, resulting in hemolysis T/F RBC survival is proportional to the amount of antibody on the RBC surface; therefore the greater the amount of antibody the more rapidly the RBC is destroyed. - True Intravascular Hemolysis is - - RBC lysis in circulation - Antibodies bind to the RBC membrane therefore activating the complem...

Autoimmune Hemolytic Anemia is a group of disorders characterized by - malfunction of the immune system where antibodies are produced against antigens on the surface of RBSs, resulting in hemolysis T/F RBC survival is proportional to the amount of antibody on the RBC surface; therefore the greater the amount of antibody the more rapidly the RBC is destroyed. - True Intravascular Hemolysis is - - RBC lysis in circulation - Antibodies bind to the RBC membrane therefore activating the complem...

c (avidity) - Answer 48. The strength of a visible reaction is known as: a) prozone reaction b) absorption c) avidity d) elution a (precipitin lines cross, forming double spurs) - Answer 49. Which of the following describes an antigen-antibody precipitation reaction of non-indentity? a) precipitin lines cross, forming double spurs b) precipitin lines fuse, forming single spur c) no precipitin lines are formed d) precipitin lines fuse, forming a single arc c (ELISA) - Answer ...

Activated macrophages are required in elimination of infections caused by a) intracelular bacteria b) extracelular microbes c) both above mentioned d) nothing of above mentioned - b Antibodies of which of mentioned classes cross placental barriere a) IgG b) IgM c) IgA d) IgD - a The number of polypeptid chains is the highest in the molecule of a) IgG b) IgM c) IgE d) IgD - b Complement fixation reaction (CFR) a) is the reaction during which the complement cascade i...

MCMP 442 Final Exam Questions and Answers 100% Pass Which of the following statements is FALSE regarding the adaptive immune system or the innate immune response? a. The adaptive system responds before the innate response during an infection b. Somatic recombination only occurs in the adaptive response and NOT in the innate response c. The adaptive response will produce proteins that bind more specifically to a pathogen compared to the innate response d. The innate response involves the...