HUMAN DEFENCES AGAINST DISEASE Final Exam Questions and
Graded Answers, 100 % Guaranteed
What are antibodies? - ✔✔Special protein molecules produced by white blood cells that
attach to antigen molecules on pathogens.
What are antigens? - ✔✔Markers on the surface of microorganisms that trigger an immune
response.
How do antibodies function in the immune response? - ✔✔Antibodies lock onto antigens,
causing microorganisms to clump together for digestion by white blood cells.
What is the role of antitoxins? - ✔✔Chemicals produced by the immune system that
neutralize the poisonous effects of toxins.
What happens when the same pathogen re-enters the body? - ✔✔White blood cells
respond more quickly to produce the correct antibodies, preventing illness.
What is immunity? - ✔✔The body's ability to respond quickly to a pathogen due to prior
exposure or vaccination.
What is the purpose of vaccination? - ✔✔To stimulate the immune system by introducing
dead or inactive forms of a pathogen, prompting antibody production.
What type of pathogen is used in vaccinations? - ✔✔Small quantities of dead or inactive
forms of a pathogen.
What is phagocytosis? - ✔✔The process by which white blood cells engulf and digest
pathogens.
Graded Answers, 100 % Guaranteed
What are antibodies? - ✔✔Special protein molecules produced by white blood cells that
attach to antigen molecules on pathogens.
What are antigens? - ✔✔Markers on the surface of microorganisms that trigger an immune
response.
How do antibodies function in the immune response? - ✔✔Antibodies lock onto antigens,
causing microorganisms to clump together for digestion by white blood cells.
What is the role of antitoxins? - ✔✔Chemicals produced by the immune system that
neutralize the poisonous effects of toxins.
What happens when the same pathogen re-enters the body? - ✔✔White blood cells
respond more quickly to produce the correct antibodies, preventing illness.
What is immunity? - ✔✔The body's ability to respond quickly to a pathogen due to prior
exposure or vaccination.
What is the purpose of vaccination? - ✔✔To stimulate the immune system by introducing
dead or inactive forms of a pathogen, prompting antibody production.
What type of pathogen is used in vaccinations? - ✔✔Small quantities of dead or inactive
forms of a pathogen.
What is phagocytosis? - ✔✔The process by which white blood cells engulf and digest
pathogens.
