Your doctor should know which pesticides you normally use so he or she can obtain the _______ and keep it on hand.

The correct answer is that your doctor should know which pesticides you normally use so he or she can obtain the antidote and keep it on hand. This is important because in the event of pesticide exposure or poisoning, an antidote is a specific substance that counteracts the harmful effects of the pesticide. Different pesticides have different toxicological profiles, and knowing exactly which pesticides a patient has been exposed to allows medical professionals to provide the most effective treatment.

Antidotes are critical in emergency medical situations as they can significantly mitigate the effects of poisoning and improve the patient's chances of recovery. By having the appropriate antidote readily available, a doctor can respond quickly to treat potential pesticide-related health issues effectively. This emphasizes the importance of communication between pesticide applicators and their medical practitioners regarding the specific chemicals they work with.