A patient who has cancer will begin treatment with a colony-stimulating factor. The patient verbalizes understanding of this drug's action with which statement?
a. "This drug allows higher doses of chemotherapy."
b. "This drug has antitumor activity."
c. "This drug has cytotoxic effects."
d. "This drug has antiviral effects."
ANS: A
Colony-stimulating factors permit the delivery of higher doses of drugs because they counter myelosuppression. They do not have antitumor activity, cytotoxic effects, or antiviral effects.
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