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JEE Advanced levelOne or more correct optionsDifficulty 3 of 3el102

Select the correct statements about low-dose aspirin and heart attacks, following the standard NCERT treatment.

  1. AAspirin reduces blood clotting, so small doses are used to lower the risk of a heart attack
  2. BA person with a peptic ulcer should avoid regular aspirin because inhibition of prostaglandins can reduce protection of the stomach lining
  3. CAspirin lowers the risk of a heart attack by acting on opioid receptors
  4. DParacetamol can replace aspirin for this purpose because it also prevents clotting

Answer: A, B

The anti-clotting effect of aspirin is the basis of its use in preventing heart attacks, but its effect on prostaglandins makes it unsuitable in ulcers. Opioid receptors are targets of narcotics, and paracetamol has no anti-clotting action.
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