1. which of the following agents show cytotoxicity that is cell cycle specific
a.Mtx
b.Dactinomycin
c.cisplatin
d. mechlerethamine
e. doxorubicin
2. Methotrexate is most useful in
a. abruptio placenta
b. ectopic pregnancy
c. placenta accreta
d. trophoblastic disease
3. which of the following is not an alkylating agent?
a. busulfan
b. chlorambucil
c. cyclophosphamide
d. hydroxyurea