Module 6

Question 1

Risk Assessment Step 1

Answer 1

Identify the hazards (i.e. routine and accidental exposure to X-rays).

Question 2

Risk Assessment Step 2

Answer 2

Decide who might be harmed and how they might be affected.

Question 3

Risk Assessment Step 3

Answer 3

Evaluate the risks and decide whether existing precautions are adequate or whether
more precautions need to be taken, Implement additional precautions, if needed

Question 4

Risk Assessment Step 4

Answer 4

Record the findings of the risk assessment.

Question 5

Risk Assessment Step 5

Answer 5

Review the risk assessment and revise it, if necessary

Question 6

Restriction of exposure

Answer 6

There is an over-riding requirement to restrict radiation doses to staff and other
persons to as low as reasonably practicable (ALARP)

Question 7

Maintenance and examination of engineering controls

Answer 7

Applies particularly to safety and warning features of dental X-ray equipment.

Question 8

Contingency plans

Answer 8

These should arise out of the risk assessment and must be provided within the Local Rules

Question 9

Radiation Protection Adviser

Answer 9

Must be certified by HSE approved body

Employer must consult on implementation of controlled areas

Question 10

Radiation Protection Supervisor

Answer 10

Designated Person within the dental practice

Question 11

Legal Person

Answer 11

Ensures compliance with the legislation
Usually the dentist
Ensures that Local Rules are available at every x-ray machine in the dental practice

Question 12

Local Rules

Answer 12

All practices should have a written set of Local Rules relating to radiation protection
measures in the practice and this applies to all employees

Question 13

Maximum Does limit for non classified staff

Answer 13

6mSv

Question 14

IR(ME)R 2018 Requirements

Answer 14

• Ensures the safety of patients
• Replaced the Ionising Radiation Regulations 2000
• Clarifies the positions of responsibility
• The employer
• The referrer
• The practitioner
• The operator

Question 15

IRMER Referrer

Answer 15

Registered Healthcare professional who is entitled in accordance with the with the
employer’s procedures to refer individuals for medical exposure to an IRMER
Practitioner

Question 16

IRMER Practitioner

Answer 16

THEIR MAIN ROLE IS TO JUSTIFY THE MEDICAL EXPOSURE

BENEFITS vs RISKS

Question 17

IRMER Operator

Answer 17

Any person who is entitled, in accordance with employer’s procedures, to carry out
practical aspects of the exposure
• Must be adequately trained
• Functions and responsibilities of individual operators must be clearly defined in
employer’s procedures

Question 18

Duties of Employer

Answer 18

Written procedures MUST be in place and adhered to by all IRMER Practitioners and
Operators

Question 19

IRMER Practitioner and IRMER Operator

Answer 19

• Practitioner and operator to ensure all doses are kept ALARP
• Both are legally obliged to make sure that the above happens

Question 20

Employees

Answer 20

• Must not recklessly interfere with the x-ray machine or associated equipment
• Must not expose themselves unnecessarily
• Must report immediately to the RPS/Employer if an incident or accident occurs

Question 21

Notification of Accidents

Answer 21

• All accidents must be reported to an external source if the dose is greater than
intended
• If the machine is at fault it must be reported immediately to the HSE and the
machine must be switched off immediately and not used
• If it is an operator problem then the CQC must be informed

Question 22

Quality Assurance Grading Score 1

Answer 22

Excellent Quality, no errors

Minimum of 70% of all exposures

Question 23

Quality Assurance Grading Score 2

Answer 23

Diagnostically acceptable

Question 24

Quality Assurance Grading Score 3

Answer 24

Unacceptable Maximum 10% of all exposures