X-Ray Radiation Physics and Protection

Question 1

What is the primary principle of radiation safety?

Accepted Answer

Use shielding, reduce time, and maximize distance

Answer

Maximize exposure time

Answer

Minimize distance from the source

Answer

Eliminate radiation use altogether

Question 2

Which of the following is a unit used to measure absorbed radiation dose?

Accepted Answer

Gray (Gy)

Answer

Sievert (Sv)

Answer

Coulomb per kilogram (C/kg)

Answer

Roentgen (R)

Question 3

What is the purpose of a lead apron during an X-ray procedure?

Accepted Answer

To protect the patient from scattered radiation

Answer

To improve image quality

Answer

To reduce the intensity of the X-ray beam

Answer

To focus the X-ray beam on the target area

Question 4

What happens when you increase the distance from the radiation source?

Accepted Answer

Radiation intensity decreases

Answer

Radiation intensity increases

Answer

The radiation remains the same

Answer

The exposure time doubles

Question 5

Which of the following is NOT considered a primary method of radiation protection?

Accepted Answer

Amplification

Answer

Shielding

Answer

Time

Answer

Distance