Q 1. The Compton effect is

1

• Q 1. The Compton effect is
• A. Photons entire energy is used to eject an
  electron
• B. Photons entire energy is used to eject an
  electron and low energy photon
• C. Photons entire energy is used to eject an
  negative and one positive electron
• D. Photon energy is absorbed by colliding by
  hydrogen nuclei

2

• Q2. Accelerated fractionation is described as
• 1.7 to 2.0 Gy, 5 fraction/week to 70.0Gy
• B. Reduction of the number of fraction with an
  increase of the daily fraction
• Increase both the number of fractions and the
  total dose
• Hybrid state of hypofractionation and
  hyperfractionation

3

• Q3. The characteristic property of particulate
  radiation in comparison to photo radiation in
  dosimetry is
• A. falloff region is rapid
• B. skin sparing effect is more
• C. higher the energy used, the greater the depth
  of penetration
• D. progressive fall of tissue dose

4

• Q4 Back scattering to large metallic retardation
  in tooth during radiotherapy can be treated by
• A. Replacement with composite restoration
• B. Extraction before the radiotherapy begin
• C. Cover with custum made floride tray
• D. Exclude this area during dosimetry design

5

• Q5. Which option is best suited for trismus with
  dynamic bite openers
• A. 20 minutes serum two times per day
• B. 30 minutes serum two times per day
• C. 30 minutes serum three times a day
• D. 20 minutes serum once a day

6

• Q6) Which figure indicates severe mucosal changes
  in radiotherapy

A
B
D
C
7

• Q7) In which candidate you advice extraction
  before radiation
• Tissue impacted mandibular third molar
• Bony impacted mandibular third molar
• Mandibular molar in doses of 65 Gy
• Maxillary molar in doses of 65 Gy

8

• Q8Which of the following sentence is true
• A translucent boggy mucosa with prominent
  telangiectasia is good to tolerate denture.
• Palatine salivary gland fibrosis do not lead to
  difficulty in customary postdam area movement.
• Light polishing of tissue surface of denture is
  recommended during or after radiotherapy.
• Prosthesis should not fabricated immediately
  after radiotherapy.

9

• Q9) All are preventive measure of radiotherapy
  except
• A) Fluoride gel application 1hr before bedtime
  but at pre-radiation and during radiation phase.
• B) CPP-ACP at anytime during the day
• C) Fluoride tooth paste for normal tooth
  brushing.
• D) Remineralizing chewing gum during daytime hour
  (four times) for 20 minutes

10

• Q10) Which type of article provide the best
  evidence among these
• Noise analysis
• Case report
• Systematic review
• Randomized controlled trial