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Question : [A]: When platelets disintegrate, 5-hydroxy tryptamine and histamine are liberated. [R]: Speed of clot reaction is directly propor- tional to the number of platelets present.

Answer»

If both A and R are TRUE and R is the correct EXPLANATION of A
If both A and R are true but R is not the correct explanation of A
If A is true and R is false
If both A and R are false

Answer :B


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