Download RGUHS MSc Medical Imaging Technology 2019 October 2nd Year 9548 Radiation Evaluation And Protection In Diagnostic Radiology Question Paper

Rajiv Gandhi University of Health Sciences

II Year M. Sc Medical Imaging Technology - OCT-2019

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[Time: 3 Hours]

[Max. Marks: 80]

Radiation Evaluation and Protection in Diagnostic Radiology

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Q.P. CODE: 9548

Your answers should be specific to the questions asked.

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Draw neat, labeled diagrams wherever necessary.

LONG ESSAY (Answer Any Two)

2 X 10 = 20 Marks

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1.

Explain about biological aspects of radiation protection.

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2.

Explain the use of the radiation quantity, equivalent dose.

3.

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Discuss about ARS and its major response stages.

SHORT ESSAY (Answer Any Eight)

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8 X 5 = 40 Marks

4.

Collective effective dose

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5.

Describe threshold dose.

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6.

Liner energy transfer

7.

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ICRP

8.

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Effective dose limiting system

9.

Explain about a) Measuring skin dose directly b) Bone marrow dose c) Genetically Significant

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Dose (GSD).

10.

Discuss on the categories of radiation shielding.

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11.

Note on leak radiation

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12.

Optically stimulated luminescence dosimeter

13.

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Late somatic effects

SHORT ANSWERS (Answer Any Ten)

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10 X 2 = 20 Marks

14.

What is attenuation?

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15.

What are the cause of genetic mutation?

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16.

Model for ALARA concept

17.

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Positive beam limitation

18.

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Gonodal dose

19.

TLD

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20.

Collective effective dose

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21.

BERT

22.

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Advantages and disadvantages of TLD over film badge

23.

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Source to skin distance

24.

Grid ration

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25.

Components of pocket ionization chamber

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