Radiation Dosimetry MCQs with Answers

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Radiation Dosimetry Online Quiz

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• Test Name: Radiation Dosimetry MCQ Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

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Radiation Dosimetry

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1 / 40

What is the recommended shielding material for gamma radiation?

Aluminum

Concrete

Lead

2 / 40

Which of the following is not a factor in determining the effective dose?

Absorbed dose

Radiation weighting factor

Quality factor

3 / 40

What is the SI unit of equivalent dose?

Sievert

Rutherford

Gray

4 / 40

Which of the following is a measure of the biological effectiveness of radiation?

Relative biological effectiveness

Linear energy transfer

Exposure rate

5 / 40

What is the unit of exposure in air?

Coulomb per kilogram

Roentgen

Gray

6 / 40

What type of radiation is most damaging to biological tissue?

Ultraviolet radiation

Ionizing radiation

Non-ionizing radiation

7 / 40

Which of the following is not a unit of absorbed dose?

Rem

Gray

Rad

8 / 40

What does the acronym "Sv" stand for?

Sievert

Gray

Rutherford

9 / 40

What is the main determinant of the quality factor for a given type of radiation?

Activity

Linear energy transfer

Exposure rate

10 / 40

What is the SI unit of absorbed dose rate?

Roentgen per second

Gray per second

Sievert per second

11 / 40

What is the SI unit for activity?

Becquerel

Rutherford

Curie

12 / 40

What is the symbol for the relative biological effectiveness (RBE)?

RBE

Q

D

13 / 40

What is the SI unit for equivalent dose?

Gray

Roentgen

Sievert

14 / 40

Which of the following is a measure of the rate at which energy is deposited in tissue?

Absorbed dose rate

Effective dose

Equivalent dose

15 / 40

What is the SI unit for absorbed dose?

Gray

Sievert

Roentgen

16 / 40

What does the acronym "Gy" stand for?

Sievert

Rutherford

Gray

17 / 40

What is the weighting factor for the gonads?

0.2

0.08

1

18 / 40

What is the symbol for the radiation weighting factor?

Q

WR

D

19 / 40

What is the SI unit of exposure in air?

Roentgen

Gray

Coulomb per kilogram

20 / 40

What is the effective dose limit for the general public?

20 mSv per year

1 mSv per year

50 mSv per year

21 / 40

What is the SI unit for absorbed dose?

Gray

Sievert

Roentgen

22 / 40

Which type of radiation is least penetrating?

Gamma rays

Alpha particles

Beta particles

23 / 40

What is the SI unit for activity in a radioactive sample?

Becquerel

Rutherford

Curie

24 / 40

Which of the following organs is most sensitive to radiation?

Muscle

Bone marrow

Skin

25 / 40

What is the approximate radiation weighting factor for alpha particles?

10

20

1

26 / 40

Which of the following is a measure of the stochastic effects of radiation?

Deterministic effects

Cancer risk

Tissue reactions

27 / 40

Which of the following is not a type of ionizing radiation?

Microwaves

X-rays

Gamma rays

28 / 40

What is the effective dose limit for the lens of the eye for occupational exposure?

150 mSv per year

20 mSv per year

50 mSv per year

29 / 40

What is the unit of equivalent dose rate?

Roentgen per hour

Sievert per hour

Gray per hour

30 / 40

Which of the following is a measure of the overall risk of radiation exposure?

Effective dose

Absorbed dose

Equivalent dose

31 / 40

What is the approximate RBE value for alpha particles?

1

20

10

32 / 40

What is the concept of time in radiation protection called?

Time factor

ALARA principle

Time, Distance, Shielding

33 / 40

Which of the following is a quality factor for neutrons?

1

20

10

34 / 40

Which of the following is a radiation weighting factor?

D

Q

WR

35 / 40

Which type of radiation has the highest linear energy transfer (LET)?

Beta particles

Alpha particles

Gamma rays

36 / 40

What is the effective dose limit for occupational exposure?

50 mSv per year

1 mSv per year

20 mSv per year

37 / 40

Which of the following is a measure of the ability of radiation to cause biological damage?

Linear energy transfer

Exposure rate

Relative biological effectiveness

38 / 40

What does the term "ALARA" stand for?

As Low As Reasonably Achievable

Absorbed Linear Accelerated Radiation Absorption

Atomic Law of Radiation Application

39 / 40

What is the unit of equivalent dose?

Roentgen

Gray

Sievert

40 / 40

What is the unit of dose equivalent?

Sievert

Roentgen

Gray

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