Question

Which of these is a function of antibodies? a) Destroy pathogens directly b) Tag pathogens for
destruction c) Produce antigens d) None
19. Which of these is NOT a pathogen? a) Virus b) Fungus c) Antigen d) Bacteria
20. Which of these is a benefit of fever? a) Speeds up pathogen growth b) Slows pathogen growth c)
Stops immune response d) None
21. Which of these is part of the lymphatic system? a) Lymph nodes b) Liver c) Pancreas d) Kidney

Answer 1

18. b) Tag pathogens for destruction — antibodies bind antigens to neutralize and mark (opsonize) pathogens for immune cells.
19. c) Antigen — pathogens are organisms/agents (virus, fungus, bacteria); an antigen is a molecule that triggers an immune response.
20. b) Slows pathogen growth — fever can inhibit growth of some microbes and enhances immune function.
21. a) Lymph nodes — they are key organs of the lymphatic system.