Which of the following diseases induce immunity?

Correct answer: A. Smallpox

  • A. Smallpox
  • B. Jaundice
  • C. Diabetes
  • D. None of these

Explanation

A person who recovers from smallpox develops specific immune memory against the smallpox virus, although vaccination is the safer way to acquire protection. Diabetes does not normally produce protective immunity, so students may choose it simply because it is a major disease rather than an infectious disease that stimulates immune memory.

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About Specific Defense Mechanism

Specific defense mechanisms provide targeted immunity through B lymphocytes, T lymphocytes, antibodies and memory cells that recognize particular antigens. Questions cover humoral and cell mediated responses, clonal selection, primary and secondary immune responses, vaccination and passive immunity, while distinguishing adaptive defenses from the immediate, non specific innate response.

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