Apatient is being evaluated for nodular cystic acne. what systemic pharmacologic agent may be prescribed for the treatment of this disorder?

systemic pharmacologic agent that may be prescribed for the treatment of this disorder is: Accutane

Nodular cystic acnes are the type of acte that filled with blood  and pus. Accutane will drastically reduce the oil produced by oil glands in your skin, which prevented the oil form being stuck in your pores.
This will prevent the formation of both blood and pus that filled up your acne

Ican only answer your first question, a machine is like a human body because it's a little similar. they both almost work like the same.

Sorry man that a really hard one you got there