Safety's Big Three

Question 1

The first of safety’s big three is time. What are five ways to minimize exposure time

Answer 1

1.Beam limitation
2. Technique chart
3. Avoid retakes
4. Rotate personnel
5. Restraint

Question 2

What are the two types of restraint you can use during x-rays

Answer 2

Mechanical
Chemical

Question 3

What is beam limitation

Answer 3

limiting the size the of the primary x-ray beam with devices like collimators or cones.

Question 4

The second big three of safety is distance. What law states that exposure is decreased when distance is increased.

Answer 4

The law of inverse squares

Question 5

The law of inverse squares states that exposure _____________ when distance _____________.

Answer 5

Exposure decreases
Distance increases

Question 6

Whats important to remember about the primary beam when it comes to keeping a safe distance?

Answer 6

No ExPoSuRe

Question 7

What are two things to remember about ur posture when it comes to keeping a safe distance

Answer 7

Stand straight
Look away

Question 8

What percentage of exposure from the primary beam do clothing shields decrease

Answer 8

25%

Question 9

Thickness of lead equivalent in aprons and gloves @150 kVp

Answer 9

Apron: 0.5mm
Gloves: 0.25mm

Question 10

What are three types of shielding

Answer 10

Clothing
Glasses
Barriers