External beam radiotherapy( ebrt) Distant radiotherapy

1. What is the source of the Distant Gamma Therapy?

1. * Co -60

2. I -131

3. Au -198

2. Which isotope is using in Gamma EBRT

1. *Cs -137

2. Au -198

3. I – 131

3. What is the source-skin distance measurement usually using

for the short distance radiotherapy :

1. * 1,5-30 cm

2. 10-30 cm

3. 5-50 cm

4. Which detail of the distant radiotherapy machine allowed reduce the radiation skin reaction :

1. *Filters

2. Screens

3. Bolus

5. What sources of ionizing radiation are using for the EBRT( distant radiotherapy:

1. *Gamma Ray

2. Alfa emission

3. Beta emission

6. What sources of ionizing radiation are using for the EBRT( distant radiotherapy)

1. * X-Ray

2. Beta emission

3. Alfa emission

7. Which types of ionizing radiation has been characterized by the Bragg peak?

1. * Proton beam

2. Gamma Ray

3. X-Ray

4. Beta emission

8. Which types of ionizing radiation has been characterized by the Bragg peak?

1. *Fast moving subatomic particles

2. Gamma Ray

3. X-Ray

4. Beta emission

9. What is the skin tolerance dose on the Conventional fractional Gamma therapy coarse with 2 Cy single session

1. *50 -55 Gy

2. 20-25 Gy

3. 10-20 Gy

10. Which methods of irradiation are belong to the distant dynamic radiotherapy

1. *Tangential

2. Multifilds

3. Applicational

11. Which methods of irradiation are belong to the distant dynamic radiotherapy

1. *Rotational

2. Application

3. Multifilds

12. Which methods of irradiation are belong to the distant dynamic radiotherapy:

1. * Sectoral

2. Application

3. Multifiled

13. What is usually using for dose-field reformation

1. * Tissue-equivalent boluses

2. Diaphragm

3. Radiation head

14. What is usually using for dose-field reformation

1. * Lead filters

2. Diaphragm

3. Radiation head

15. What is the skin erytheme dose on the Conventional fractional Gamma therapy

1. * 20-25 Gy

2. 40-50 Gy

3. 30 -35 Gy

16. What is usually using for reformation of the irregular skin field

1. *Lead screens block

2. Discriminator

3. Collimator

17. What is usually using for reformation of the irregular skin field

1. *Tungsten screen block

2. Discriminator

3. Filter

18. Which prevalence of the neutron beam therapy is using for the high radioresistant tumor and tumor relapse treatment?

1. *Absent of Oxygen effect

2. Absent of the particles charging

3. High LET ( linear energy transfer )

19. What is the source- skin distance for the far distant radiotherapy

1. * 30 cm- 1,5-4 m

2. 1-50 cm

3. 1,5 cm-1,5 m

20. What is the skin dose on the Conventional fractional Gamma therapy for dry radioepydermitis development:

1. *30 -35 Gy

2. 20-25 Gy

3. 40-45 Gy

21. In which methods of radiotherapy the patient’s integral dose is minimal “

1. * Convergent

2. Tangential

3. Rotational

23. What is the treatment of the patient with diagnosis not small cells lung cancer II stage

1. * Combined radiotherapy

2. Surgical intervention

3. Complex radiotherapy

24. What is the treatment of the patient with diagnosis not small cells lung cancer III stage

1. * Complex radiotherapy

2. Surgical intervention

3. Combined radiotherapy

25. What is the treatment of the patient with diagnosis small cells lung cancer II stage

1. * Combined radiotherapy

2. Chemo surgical therapy

3. Chemo radiotherapy

26. What is the treatment of the patient with diagnosis small cells lung cancer II stage

1. *Combined radiotherapy

2. Chemotherapy, surgery

3. Radhiochemotherapy

27. What is the treatment of the patient with diagnosis small cells lung cancer III stage

1. *Chemoradiotherapy

2. Combined

3. Chemo-Surgical treatment

28. What is the Radiotherapy method using for Breast cancer treatment?

1. *Distant (EBRT)

2. Contact Beta therapy

3. Method of selective radionuclide accumulation

29. What is the method of radiotherapy using for Breast cancer