100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
RADIATION PROTECTION EXAM QUESTIONS AND ANSWERS $12.49   Add to cart

Exam (elaborations)

RADIATION PROTECTION EXAM QUESTIONS AND ANSWERS

 1 view  0 purchase
  • Course
  • RADIATION
  • Institution
  • RADIATION

RADIATION PROTECTION EXAM QUESTIONS AND ANSWERS

Preview 2 out of 6  pages

  • November 8, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • RADIATION
  • RADIATION
avatar-seller
biggdreamer
RADIATION PROTECTION EXAM
QUESTIONS AND ANSWERS
Who is required to wear a personnel dosimeter?
A. Anyone who may be exposed to an annual occupational dose of 5 millisieverts (mSv)
B. Anyone who may be exposed to more than 5% of occupational dose limits
C. Anyone who may be exposed to more than 10 millisieverts (mSv) per year
D. Anyone who is occupationally exposed to ionizing radiation should wear a personnel
dosimeter - Answer-A. Anyone who may be exposed to an annual occupational dose of
5 millisieverts (mSv)

Which of the following types of patient shielding devices is suspended from above the
radiographic beam-defining system?
A. Flat contact shield
B. Shadow shield
C. Shaped contact shield
D. Clear lead shield - Answer-B. Shadow shield

When using fluoroscopic equipment, which of the following is directly proportional to the
exposure delivered to the patient?
A. kVp
B. mA
C. Thickness of filter
D. Target-to-panel or target-to-tabletop distance - Answer-B. mA

Two half-value layers would result in a decrease in beam intensity by what percent?
A. 25%
B. 50%
C. 75%
D. 100% - Answer-C. 75%
1 HVL = 50%
2 HVL = 25%

Which of the following would provide fluoroscopic imaging personnel with the best
radiation protection opportunity?
A. Controlling the fluoroscopic system remotely
B. Increased distance from patient
C. Wearing protective shielding
D. Reducing time spent in the fluoroscopic procedure - Answer-A. Controlling the
fluoroscopic system remotely

All of the following are included in a personnel monitoring report except:
A. Total effective dose equivalent
B. Quarterly accumulated dose equivalent

, C. Year to date dose equivalent
D. Lifetime dose equivalent - Answer-A. Total effective dose equivalent

What is the dose equivalent limit for the lens of the eye for occupational workers?
A. 150 mSv
B. 50 mSv
C. 250 mSv
D. 500 mSv - Answer-A. 150 mSv

The main purpose of adding filtration to the x-ray tube is to:
A. Decrease occupational dose
B. Increase spatial resolution
C. Decrease patient dose
D. Increase image contrast - Answer-C. Decrease patient dose

Which of the following is/are included in the total filtration of the x-ray beam? (Select all
that apply)
1. Added filtration
2. Inherent filtration
3. Collimation
4. Gravity filtration - Answer-1. Added filtration
2. Inherent filtration

Which of the following is accomplished with pulsed fluoroscopy? (Select all that apply)
1. Decreased patient dose
2. Extended tube life
3. Continuous activation of the x-ray tube
4. Increased signal-to-noise ratio - Answer-1. Decreased patient dose
2. Extended tube life

Leakage radiation from the x-ray tube is limited to:
A. 1 milligray/hour at 1 meter
B. 1 gray/hour at 2 meters
C. 10 milligray/minute at 1 meter
D. 10 milligray/hour at 2 meters - Answer-A. 1 milligray/hour at 1 meter

Which of the following occurs when a multi-focus image intensifier tube is operated in
magnification mode?
A. Larger area of the input phosphor is used
B. Patient dose will be increased
C. Image quality will be reduced
D. Less voltage is applied to the electrostatic lenses - Answer-B. Patient dose will be
increased

Inherent filtration refers to:
A. Filtration that is not aluminum but is added

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller biggdreamer. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

75632 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$12.49
  • (0)
  Add to cart