Biology · Immunology
Pathogens continuously evolve strategies to evade host immune responses. Match each evasion strategy listed in Column X with the corresponding pathogen in Column Y: Column X A. Changing the antigen expressed on their surface B. Inhibiting phagocytic activity of macrophage C. Developing resistance to complement-mediated lysis D. Secreting proteases to inactivate antibodies E. Allowing point mutations in surface epitopes resulting in antigenic drift Column Y (i) Influenza virus (ii) Neisseria (iii) Gram-positive bacteria (iv) No bacteria (Not applicable to bacteria) Choose the correct match:
- 1A - (i); B - (iv); C - (iii); D - (ii); E - (i)
- 2A - (iv); B - (iii); C - (iv); D - (ii); E - (i)
- 3A - (ii); B - (iv); C - (iii); D - (ii); E - (i)✓
- 4A - (i); B - (iii); C - (ii); D - (iv); E - (i)
Correct answer
A - (ii); B - (iv); C - (iii); D - (ii); E - (i)
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