B:-Primary collimator = filter > ion chamber ¬> MLC
C:-Primary collimator - MLC = filter > ion chamber
D:-Filter > primary collimator > MLC > ion chamber
Correct Answer:- Option-B
Question88:-Gating is a newer technique used in the treatment of
A:-Ca rectum
B:-Ca tongue
C:-Ca lung
D:-Ca ovary
Correct Answer:- Option-C
Question89:-Electronic Portal Imaging Device (EPID) in radiotherapy is used for
A:-Treatment planning
-Treatment verification
C:-CT simulation
D:-Conversional simulation
Correct Answer:- Option-B
Question90:-All head and neck malignancies have the same nodal staging in TNM system except in cancer.
A:-Buccal mucosa
-Oropharynx
C:-Tongue
D:-Nasopharynx
Correct Answer:- Option-D
Question91:-Radiation reactions in head and neck radiation include all EXCEPT
A:-Mucositis
Skin pigmentation
C:-Bleeding per vaginum
D:-Dry mouth
Correct Answer:- Option-C
Question92:-Total external beam radiation dose given in the treatment of cancer cervix stage II is
A:-25 Gy
B:-35 Gy
C:-45 Gy
D:-65 Gy
Correct Answer:- Option-C
Question93:-Which is the oncologic emergency treated with radiation ?
A:-Tumour lysis syndrome
B:-Superior venacaval obstruction
C:-Polymyositis
D:-None of the above
Correct Answer:- Option-B
Question94:-Post mastectomy radiation is given by
A:-4 field box technique
B:-Tangential fields
C:-Lateral parallel pair
D:-None of the above
Correct Answer:- Option-B
Question95:-Radiation treatment is given for the following non-malignant brain condition
A:-Astrocytoma
B:-Encephalitis
C:-Glioblastoma
D:-Craniopharyngioma
Correct Answer:- Option-D
Question96:-The following radiation fields are used in the treatment of lymphoma EXCEPT
A:-Mantle field
B:-Inverted Y field
C:-Dog leg field
D:-Pencil beam field
Correct Answer:- Option-D
Question97:-Craniospinal irradiation is primarily used in the treatment of