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NEETMDS- Radiology mcq
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 %

Radiology Answer: 1

In radiography "latent image period" is the period between
1) Subsequent doses of radiation
2) Exposure of film and development of image
3) Exposure to X-rays and development of radiographic image
4) None of the above
Radiology Answer: 3

The purpose of aluminium filters in the path of X-ray beam is to 
 1. Increase contrast
 2. Reduce patient exposure
 3. Reduce film density
 4. Reduce film details
Radiology Answer: 2

The sialographic appearance of a normal salivary gland is
1) Branching with bloom
2) Branching with leaves
3) Branchless with fruit-laden
4) Branchless with leaves
Radiology Answer: 1

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