What substance can be used to counteract pesticide poisoning?

The correct answer is antidote because an antidote specifically refers to a substance that can counteract the effects of a poison or toxic substance, such as pesticides. When someone is exposed to pesticides and experiences poisoning, administering the appropriate antidote can neutralize the harmful effects and help restore normal bodily function. In the case of pesticide poisoning, the precise antidote depends on the specific pesticide involved, as different chemicals require different treatments.

The other options do not serve the purpose of counteracting pesticide poisoning. Antiseptics are used to reduce the risk of infection in wounds, but they do not address the toxins from pesticides. Analgesics are pain relievers that manage pain but do not counteract poisoning. Antibiotics treat bacterial infections and do not have any effect on poisons or toxins, including those from pesticides. Understanding this distinction underscores the importance of using the correct terms and substances in medical and emergency situations related to poisoning.