1. Melphalon is the drug of choice for-
a. nephroblastoma
b. Ca breast
c. neuroblastoma
d. myeloma
2. Busulfan toxicity does not include-
a. hyperpigmentation
b. toxic carditis
c. hyperuricemia
d. pulmonary fibrosis
3. monoclonal antibody used in breast cancer
a. trastuzumab
b. rituximab
c. alemtuzumab
d. gemtuzumab