Internal radiation therapy brachytherapy

1. What types of radiopharmaceuticals are using for the interstitial Gamma therapy?

1. *All mentioned

2. Open radiopharmaceuticals

3. Closed radiopharmaceuticals

2. What property of the radionuclide is using in the radioisotope imaging?

1. *High specificity for the organ

2. Good solubility

3. Short half-life

3. Which methods of radiotherapy belong to brachytherapy

1. * Intracavitary

2. United radiotherapy

3. Dynamic radiotherapy

4. What is source of Gamma – Ray :

1. *Co 60

2. P 32

3. Tl 204

4. Au 198

5. Application beta therapy is using for cancer treatment with superficial localization in the skin and mucosa with the deep infiltration of the surrounded tissue. What is the penetration ability for the beta source?

1. * 1-2 mm

2. 2,5-3 mm

3. 3,1-3,5 mm

6. What source of the radiation is using for the interstitial radiotherapy?

1. *Closed

2. X-Ray

7. What is the early radiation skin lesion?

1. *Bullous edema and early radiation ulceration

2. Erythema

3. Dry radioepidermitis

4. Wet radioepidermitis

5. Epillation in the field of irradiation

8. What is the source-skin distance for short focus X-Ray therapy?(RUM -7 machine)

1. * 7,5 cm

2. 5 cm

3. 15 cm

10. Which condition has no contra indication for the radioisotope treatment by I 131?

1. *Thyrotoxicosis

2. Pregnancy and lactation

3. Nodular goiter

4. Child and teenager

11. Cervix cancer II stage is treated by the chart:

1. * External Gamma therapy TFD is 40 -42Gy

Internal Gamma therapy TFD is 12,5Gy

2. External Gamma therapy TFD is 40 -42Gy

Internal Gamma therapy TFD is 10, 5Gy

3. External Gamma therapy TFD is 40 -42Gy

Internal Gamma therapy TFD is 13, 5Gy

12. Which radiopharmaceutical is using for interstitial beta therapy?

1. *Cyrconium phosphate

2. P -32

3. Ir 192

4. Co-60

13. Persistent radiotherapy can be done by the:

1. *Application radiotherapy

2. Short focus radiotherapy

3. Distant radiotherapy

14. What method of radiotherapy is using for hyperkeratosis treatment?

1. * Application beta therapy

2. Application Gamma therapy

3. Interstitial Alfa therapy

15. What source is using for intracavitary gamma therapy?

1. *All mentioned

2. Open sources

3. Closed sources

17. Application Gamma therapy with source of low activity is using for superficial tumors with underlying tissue infiltration treatment. What is the penetration ability for this source?

1. * 1,0-1,5 cm

2. 0,5-0,9 cm

3. 1,6-2,1 cm

4. 2,1-2,5 cm

18. What type of the radiotherapy is using for corneal tumor treatment?

1. * Application beta therapy

2. Application Gamma therapy

3. Interstitial Gamma therapy

19. What diameter of the superficially located tumor can be treated with interstitial Gamma therapy?

1. *Not more than 5 cm

2. Not more than 2 cm

3. Not more than 7 cm

20. When the early radiation reaction will appear?

1. *Reaction which are appears in time of radiotherapy or in closed 3 month after radiotherapy

2. Reaction which are appears in time of radiotherapy or in 3 day till 3 weeks after complete of radiotherapy

3. Reaction which are appears in3 days till 3 month after radiotherapy

21. What is the limitation for the patients traveling, who is treating with interstitial radiotherapy?

1. *Patient’s traveling is limited by the word “active “room

2. Bed rest

3. No limitation

22. What is the beta source, usually using for contact radiotherapy

1. *Au 198

2. Co 60

3. Ir 192

24. What is the treatment of the patient with diagnosis: Thyrotoxicosis mid stage?

1. *2,5 -3,0 MBq I -131 per 1 g glandular tissue

2. 3.0 -3,5 MBq I- 131 per 1 g glandular tissue

3. 3,5-4.0 MBq I- 131 per 1 g glandular tissue

25. What is the treatment of the Cervix cancer II stage