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Q: .
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  • A. Sedatine
  • B. Anticholinergic actonion
  • C. Suppresses cough centre
  • D. Lack Suppression of cough centre
Correct Answer: Option C - H₁ histamine receptor antagonist derived from piperazine. H₁ antihistamines has anti cholinergic action and sedative properties. It does not act as suppression of cough centre.
C. H₁ histamine receptor antagonist derived from piperazine. H₁ antihistamines has anti cholinergic action and sedative properties. It does not act as suppression of cough centre.

Explanations:

H₁ histamine receptor antagonist derived from piperazine. H₁ antihistamines has anti cholinergic action and sedative properties. It does not act as suppression of cough centre.