Piero is an architect on vacation from his home in peru and goes to the clinic for a physical. his doctor draws some blood and is concerned that piero tests positive for cocaine metabolites in his bloodstream. his uncle tells the doctor, "don’t worry about it. he usually has cocaine in his system, but he isn’t addicted to cocaine." why is piero’s uncle so casual about cocaine in his nephew’s bloodstream? a) coca leaf chewing is part of the culture in peru and is not associated with levels of toxicity and abuse associated with powdered cocaine
b) piero is a drug smuggler, and his uncle is trying to protect him.
c) smoking coca paste mixed with tobacco is part of the culture in peru and does not produce levels of toxicity and abuse associated with powdered cocaine.
d) piero drinks lots of coca-cola, which has cocaine as an ingredient.

a) Coca leaf chewing is part of the culture in Peru and is not associated with levels of toxicity and abuse associated with powdered cocaine

Explanation:

Coca leaf chewing is often done in several countries in southamerica, including Peru, Equator, Bolivia and Chile, where the high altitude requieres them to chew Coca leaf in order to become more active, it´s like in america we drink coffee to wake up, it´s the same culture with coca leaf chewing in this countries, that is why he could have cocaine metabolites in his system, and that is why his uncle is not worried about it.

answer: from these honored dead we take increased devotion to that cause for which they gave the last full measure of devotion—that we here highly resolve that these dead shall not have died in vain, that this nation under god shall have a new birth of freedom, and that government of the people

explanation: