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26 Cards in this Set

  • Front
  • Back

60.1  Which of the following neoplastic diseases is almost curable by chemotherapy:

Choriocarcinoma

anticancer drug has high emetogenic potential:

cisplatin

Cancer Therapy true:

Anticancer drugs increase the risk of develo- ping leukaemias and lymphomas several


years later

Anticancer drugs weaken host defense by

A. Damaging respiratory and gut epithelia
B. Inducing granulocytopenia

Practically all antineoplastic drugs can produce the following toxic effects except:

Cardiomyopathy

Alkylating agents exert cytotoxic action by inducing:

Breakage of DNA strand


Cross linking of DNA strands


Abnormal pairing of purine and pyrimidine


bases


All of the above

Cyclophosphamide

A. It is highly reactive and a vesicant on contact

The most important target of action of chlorambucil is:

Lymhoid tissue

Methotrexate has the following attributes except:

Folic acid reverses it's toxic

The following antineoplastic drug is a mitotic inhibitor and causes metaphase arrest:

vincristine

Vinca alkaloids exert antitumor activity by:

Inhibiting polymerization of tubulin to form


intracellular microtubules

The following cytotoxic drug acts by inhibiting depoly- merization of tubulin and thus producing abnormal arrays of microtubules:

Paclitaxel

Vincristine differs from vinblastine in the following respect(s):
A. Its prominent adverse effect is neuropathy B. It frequently produces alopecia
C. It does not significantly depress bone marrow D. All of the above

What is true of docetaxel:

It is used as a reserve drug for refractory


breast and ovarian cancer

Topotecan

It is a DNA topoisomerase I inhibitor which


causes single strand DNA breaks


It is a cell cycle specific anticancer drug

The characteristic toxicity of doxorubicin is:

Cardiomyopathy

Thioguanine differs from mercaptopurine in that:

It is not metabolized by xanthine oxidase


It does not cause hyperuricemia

Patients treated with the following anticancer drug are likely to develop a disulfiram like reaction on taking alcohol:

B. Procarbazine

The following is true about use of prednisolone in malignant diseases except:

It is curative in acute childhood leukaemia

The following does not apply to cancer chemo- therapy:

Each treatment with a cytotoxic drug kills a constant number of malignant cells

Select the cell cycle nonspecific antineoplastic drug:

D. 5-Fluorouracil

Mesna is administered with cyclophosphamide and ifosphamide to:

D. Ameliorate cystitis caused by them

Biological response modifiers like GM-CSF are used in conjunction with anticancer drugs for the following purpose(s):

To hasten recovery from drug induced myelo-


suppression

Thalidomide

It ameliorates cancer associated cachexia

Select the drug which is used exclusively in organ transplantation and autoimmune diseases, but not in cancers:

Cyclosporin

Cyclosporine has the following attributes except:

It selectively suppresses humoral immunity


without affecting cell mediated immunity