FREE RADIOLOGY AND STUDY GAMES ABOUT 216 RADBIO

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FREE RADIOLOGY AND STUDY GAMES ABOUT 216 RADBIO

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -63 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Lead glass window equivalence

Answer:

1.5 mm Pb

Question 2: 2 types of filtrations

Answer:

Inherent and Added

Question 3: Added filtration

Answer:

added to the design as increased filtration

Question 4: Laws of Bergonie and Tribondeau

Answer:

the embryo and fetus are the most radiosensitive stages in human life

Question 5: The Radiation Safety Officer (RSO) responsibility

Answer:

to retrieve dosimetry report and distribute to employees

Question 6: When should gonadal shielding be used

Answer:

when the gonads are in or within 5cm of the primary x-ray beam

Question 7: What is the secondary barrier

Answer:

barriers around the room designed to absorb scatter radiation Question 8: True or False: Higher metabolic means more radioactive

Answer:

True

Question 9: Linear Energy Transfer

Answer:

measures the rate

Question 10: When should you not use gonadal shielding

Answer:

if it will interfere with any diagnostic information

Question 11: Pregnancy apron lead equivalence

Answer:

0.5mm Pb

Question 12: Lead glove equivalence

Answer:

0.25mm

Question 13: How long is the primary beam

Answer:

7ft

Question 14: How far should you be able to go with a mobile x-ray

Answer:

6ft

Question 15: Lead glasses equivalence

Answer:

0.35mm

Question 16: First choice for immobilization assistance

Answer:

Friend or relative, preferably male

Question 17: Annual Effective dose for Occupational Exposure

Answer:

50mSv

Question 18: Exposure rate for uncontrolled areas

Answer:

10mrem/week

Question 19: What does the inverse square law state

Answer:

the intensity of radiation at a given distance from a point source is inversely proportional to the square of the distance of the object from the distance

Question 20: Who should not use gonadal shielding

Answer:

anyone within the reproductive age

Question 21: Thyroid shield equivalence

Answer:

0.5mm

Question 22: Cumulative dose for Radiation worker

Answer:

age x 10 mSv

Question 23: Maximum leakage from x-ray tube

Answer:

100mR/hr @ 3ft(1m)

Question 24: Aperture Diaphragms

Answer:

Flat piece of lead containing a whole for the CR to pass through

Question 25: Required shielding for the protective tube housing

Answer:

1.5mm (1/16Pb)

Question 26: types of fixed barriers

Answer:

primary and secondary

Question 27: 3 different types of Gonadal shields

Answer:

Flat Contact Shields Shadow Shields Shaped Contact Shields

Question 28: Lead apron equivalence

Answer:

0.5mm