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NEET2006ZoologyBiotechnology and Its ApplicationsActual

Assertion : A person who has received a cut and is bleeding needs to be given anti-tetanus treatment. Reason : Anti-tetanus injection provides immunity by producing antibodies for tetanus.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of the assertion
  2. BIf both assertion and reason are true but reason is not the correct explanation of the assertion
  3. CIf assertion is true, but reason is false
  4. DBoth assertion and reason are false statements.

Correct answer

A. If both assertion and reason are true and reason is the correct explanation of the assertion

Step-by-step solution

Tetanus is a serious and often fatal disease caused by the neurotoxin tetanospasmin which is produced by the gram positive obligate anaerobic bacterium Clostridium tetani. Infections begins when the bacteria are introduced into an open injury or wound where they produce tetanospasmin toxin which blocks messages from the spinal cord to the muscles, forcing muscles to go into severe spasm. Deep puncture wound or those with devitalized (dead) tissue are particularly prone to tetanus infection because the bacillus thri

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