MDS PREP
In radiobiology, the "latent period" represents the period of time between
1) Cell rest and cell mitosis
2) The first and last dose in radiation therapy
3) Film exposure and image development
4) Radiation exposure and its biological effects
Radiology
Answer: 4
Which of the following imaging techniques cannot differentiate benign and malignant tumours of salivary gland
1) Scintigraphy
2) CT scan
3) MRI
4) Sialography
Radiology
Answer: 1
The technique employed in radiotherapy to counteract the effect of tumour motion due to breathing is known as
1) Art technique
2) Modulation
3) Gating
4) Shunting
Radiology
Answer: 3
The following produces highest radiation exposure
1) CT scan
2) MRI
3) Pantamograph
4) Arthrograms
Radiology
Answer: 4
At density range equal to zero, percentage of light transmitted through X-ray film is
1. 100 %
2. 10 %
3. 1 %
4. 0 %