Question : When a host is exposed to antigens, which may be in the form of living or dead microbes or other proteins, antibodies are produced in the host body. This type of immunity is called ______ immunity.
Option 1: acquired
Option 2: active
Option 3: passive
Option 4: strong
Correct Answer: active
Solution : The correct answer is active.
When a host encounters antigens, which could be living or dead microbes or other proteins, the host's body produces antibodies in response. This form of immunity is termed "active immunity." Active immunity is a gradual process and can be either natural, occurring through natural exposure to pathogens, or artificial, induced through vaccinations. In both cases, the immune system is activated to produce a specific and targeted defence against the encountered antigens, providing long-lasting protection against future exposures.
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