radiation protection aka dose reduction part 2

Question 1

handheld, portable dental xray unit

Answer 1

NOMAD, NOMAD Pro and NOMAD Pro II

Question 2

position and distance

Answer 2

stand 6 feet away (stand straight)
90-135 degrees to primary beam

Question 3

NOMAD use (does/doesn’t) violate current radiology statutes

Answer 3

does violate

Question 4

exemption for licensed held units

Answer 4

1. backscatter shield at all times
2. operators wear personal monitor device
3. training in the safe use of these systems and records

Question 5

this on NOMAD pro acts as barrier against backscatter radiation eliminating the need for the operator to leave the room

Answer 5

secondary shielding

Question 6

Maximize the operator’s area of protection by doing the
following:

Answer 6

1. Place the backscatter
   shield at the end of the
   PID (closest to the
   patient).
2. Align the PID close to the
   patient.
3. Keep all body parts within
   the area of the shield’s
   protection.

Question 7

protection diminishes when the shield
1
2
3

Answer 7

1. is not at the outer edge of the cone, use positioning kits that do not require the shield to be slid back
2. is distanced from the subject, hold the cone close to the patient
3. is not parallel to the operator, avoid this by asking pt to slightly tilt their head

Question 8

more operator exposure if the sensor (does/does not) parallel the standing of the operator

Answer 8

does NOT

Question 9

less operator exposure and better shield protection if sensor (does/ does not) parallel the standing position of the operator

Answer 9

does