The right answer is c, he is creating a drug antagonism interaction.
Amphetamines are a family of synthetic products that are highly stimulating on the psyche and the body.
Amphetamines are psychostimulant substances, discovered by the Romanian chemist Lazar Edeleanu in 1887.
Amphetamines all involve psychic and physical dependence which explains their classification as narcotic.
They cause psychic effects corresponding to an artificial maniac syndrome, and serious but rare side effects such as cardiac damage exposing to serious discomfort that can lead to death.
I believe the answer is C. This is because most men do naturally have more muscle mass, so they need more energy to function. This is not the case if you do a lot of muscle building activities, though.
The correct answer is A. just got done taking the quiz with jmhs online and got the answer correct hope this helps!!!