CMD Radiation Safety & Protection

Question 1

What is the maximum permissible dose of radiation for a radiologic technologist in one year?

Accepted Answer

500 millisieverts (mSv)

Answer

50 millisieverts (mSv)

Answer

100 millisieverts (mSv)

Answer

200 millisieverts (mSv)

Question 2

Which of the following is a primary method of radiation protection for patients?

Accepted Answer

Using shielding and collimation

Answer

Using the highest possible radiation dose

Answer

Positioning the patient for optimal exposure

Answer

Decreasing the number of images taken

Question 3

What does the ALARA principle stand for in radiation safety?

Accepted Answer

As Low As Reasonably Achievable

Answer

Always Lower As Required Average

Answer

Avoiding Long-lasting Adverse Risks

Answer

Avoiding Low Average Radiation Exposure

Question 4

Which of the following is considered a secondary barrier in radiation protection?

Accepted Answer

Walls and doors in radiology rooms

Answer

Flooring and ceilings

Answer

Lead aprons worn by the patient

Answer

Protective gloves

Question 5

What is the primary purpose of a dosimeter in radiation safety?

Accepted Answer

To measure radiation dose received by personnel

Answer

To protect the individual from radiation

Answer

To shield the patient from radiation

Answer

To increase image quality

Question 6

Which of the following is the most effective type of shielding for radiology personnel?

Accepted Answer

Lead aprons and barriers

Answer

Plastic shields

Answer

Rubber gloves

Answer

Copper shields

Question 7

What is the purpose of collimation in radiation therapy?

Accepted Answer

To reduce the exposure of healthy tissues

Answer

To increase radiation dose

Answer

To improve the image quality

Answer

To focus radiation on a larger area

Question 8

Which of the following is a typical radiation protection practice for pregnant patients?

Accepted Answer

Minimize radiation exposure by using shielding or alternative techniques

Answer

Avoid all imaging procedures

Answer

Use higher doses of radiation

Answer

Increase the frequency of imaging tests

Question 9

What is the main factor in determining the proper radiation protection distance for a technologist?

Accepted Answer

The radiation dose and technique

Answer

The technologist's experience

Answer

The size of the room

Answer

The presence of barriers