MDS PREP
Initiator in developing solution is
1) Acetic acid
2) Sodium thiosulphate
3) Hydroquinone
4) Potassium bromide
Radiology
Answer: 3
At density range equal to zero, percentage of light transmitted through X-ray film is
1) 100 %
2) 10 %
3) 1 %
4) 0 %
Radiology
Answer: 1
In treatment of oral cancers, the fraction of total dose given in each appointment is in the range of
1) 150 rad
2) 300 rad
3) 400 rad
4) 500 rad
Radiology
Answer: 1
...............is not a property of X-rays
1) Ionization
2) Action on photographic film
3) Excitation
4) Collimation
Radiology
Answer: 4
Radiographically, the normal horizontal plane of alveolar bone interdentally is related to
1. Cementoenamel junction of adjacent teeth
2. Epithelial attachement of adjacent teeth
3. Trabecular pattern of bone
4. All of the above
Unit of measurements to compare radiation damage
1) Exposure
2) Dose
3) Effective dose
4) Dose equivalent
Radiology
Answer: 4
What is the function of filtration process while taking radiographs?
1. Remove the short wavelength photons
2. Remove the portion of long wavelength photons
3. To increase the radiation dose to patient
4. None of the above