FREE CIR Imaging Modalities & Radiation Safety Questions and Answers

Question 1

Which imaging modality is most commonly used in cardiac interventional radiology procedures?

Accepted Answer

Fluoroscopy

Answer

MRI

Answer

PET scan

Answer

Ultrasound

Question 2

What is the primary risk associated with prolonged fluoroscopic imaging?

Accepted Answer

Radiation exposure

Answer

Magnetic interference

Answer

Overheating of equipment

Answer

Low image quality

Question 3

Which shielding equipment is essential for staff during fluoroscopic procedures?

Accepted Answer

Lead apron

Answer

Plastic gown

Answer

Rubber gloves

Answer

Paper mask

Question 4

What does ALARA stand for in radiation safety?

Accepted Answer

As Low As Reasonably Achievable

Answer

All Light And Radiology Access

Answer

Accurate Line And Radiation Assessment

Answer

Advanced Laser And Radiographic Algorithm

Question 5

Why is pulsed fluoroscopy preferred over continuous fluoroscopy?

Accepted Answer

It reduces radiation exposure

Answer

It provides higher resolution images

Answer

It eliminates motion artifacts

Answer

It shortens procedure time

Question 6

Which of the following helps minimize patient radiation dose during a cardiac intervention?

Accepted Answer

Collimating the X-ray beam

Answer

Using the largest image receptor

Answer

Increasing fluoroscopy frame rate

Answer

Repeating exposures

Question 7

What is the role of a dosimeter badge in radiation safety?

Accepted Answer

Tracks radiation exposure to staff

Answer

Measures blood oxygen

Answer

Monitors patient’s heart rate

Answer

Assists with image calibration

Question 8

Which cardiac imaging modality does NOT use ionizing radiation?

Accepted Answer

MRI

Answer

CT angiography

Answer

PET scan

Answer

Fluoroscopy

Question 9

Which factor increases radiation dose during interventional procedures?

Accepted Answer

Longer fluoroscopy times

Answer

Lower fluoroscopy frame rates

Answer

Shorter procedure times

Answer

Smaller field of view