A Patient with Severe Psoriasis Who Is to Be Treated

A patient with severe psoriasis who is to be treated with the systemic drug,methotrexate sodium,anxiously asks,"Is this cancer drug safe? Are there some side effects I need to know about?" The nurse's best response would be:

A) "Yes, methotrexate is used to treat cancer and psoriasis, and it has no severe side effects."
B) "No, it is not a cancer drug, but you should ask your physician about concerns regarding your therapy."
C) "We use this drug to treat many kinds of patients, including patients with cancer. You will have periodic blood tests."
D) "I don't know if it is used with patients with cancer, but the drug can be used when conditions are as severe as yours."