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Mcqs MBBS Exams India
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Home >> Radiotherapy >> Mcqs Page 3
(Single Best Answer) Question 21: Skin manifestation most commonly seen after two days of radiotherapy ?
A) Atopy
B) Dermatitis
C) Erythema
D) Hyperpigmentation
Answer (Select an option above to get the answer):
(Single Best Answer) Question 22: The most sensitive phase of the cell cycle for Radiotherapy is ?
A) S
B) G1
C) G2
D) G2M
Answer (Select an option above to get the answer):
(Single Best Answer) Question 23: Which of the following is true regarding ionizing radiation ?
A) It leads to formation of pyrimidine dimers
B) It causes thermal injury
C) It causes linear acceleration injury
D) It causes excitation of electron from the orbit
Answer (Select an option above to get the answer):
(Single Best Answer) Question 24: The most common presentation of radiation carditis is ?
A) Atheromatous plaques
B) Myocardial fibrosis
C) Pericardial effusion
D) Pyogenic pericarditis
Answer (Select an option above to get the answer):
(Single Best Answer) Question 25: The most radiosensitive phase of the cell cycle is ?
A) M
B) S
C) G1
D) G2/M
Answer (Select an option above to get the answer):
(Single Best Answer) Question 26: Which of the following is not used now-a-days ?
A) Co 60
B) Cs 137
C) Iridium 192
D) Radium 226
Answer (Select an option above to get the answer):
(Single Best Answer) Question 27: Radiotherapy is the treatment of choice for ?
A) Nasopharyngeal Carcinoma T3N1
B) Supraglottic CA T3N0
C) Glottic CA T3N1
D) Subglottic CA T3N0
Answer (Select an option above to get the answer):
(Single Best Answer) Question 28: The most widely used radiosensitizer is ?
A) Gemcitabine
B) Cisplatin
C) Paclitaxel
D) Docetaxel
Answer (Select an option above to get the answer):
(Single Best Answer) Question 29: The ideal timing of radiotherapy for Wilms Tumour after surgery is ?
A) Within 10 days
B) Within 2 weeks
C) Within 3 weeks
D) Any time after surgery
Answer (Select an option above to get the answer):
(Single Best Answer) Question 30: What dose of radiation therapy is recommended for pain relief in bone metastases ?
A) 8 Gy in one fraction
B) 20 Gy in 5 fractions
C) 30 Gy in 10 fractions
D) above 70 Gy
Answer (Select an option above to get the answer):

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