What is the process of chemically converting drugs into metabolites?

It is most appropriate to use an answering machine:

A) only when all lines are busy B) anytime the office is closed C) during the office lunch break D) when you are too busy with other work to answer the phone

Since the thyroid gland regulates metabolism, some signs of hyperthyroidism are:

A) emaciation B) polyphagia C) PU D) PD E) all of the above