This unit is expiring
The expiry date of this unit is 31/07/2025.


Access to HE
Level 3
Unit No:
Guided learning hours:
Not available

Qualification Grading Type


Grade Descriptors

  • GD2-Application of knowledge
  • GD3-Application of skills
  • GD7-Quality

Unit Learning Outcomes


Understand methods used to image the human body for medical diagnosis.

Assessment Criteria

  • 1.1
    Explain the principles of imaging using a range of imaging techniques.
  • 1.2
    Summarise and evaluate the advantages and disadvantages of the imaging methods.
  • 1.3
    Carry out a simple experiment modelling the behaviour of X-rays using light.
  • 1.4
    Write a scientific report of the experiment.


Understand methods of medical treatment using ionising radiation, ultrasound and lasers.

Assessment Criteria

  • 2.1
    Explain the use of ionising radiation, ultrasound and lasers in medical treatments.


Understand the hazards to staff and patients associated with medical imaging technologies.

Assessment Criteria

  • 3.1

    Describe and quantify the effects of ionising radiation on tissues and organs.

  • 3.2
    Explain the effect of laser light on living tissues.
  • 3.3
    Explain the hazards of the strong magnetic fields in the vicinity of an MRI scanner.


Understand safety procedures and equipment used to monitor and reduce the hazards from ionising radiation and laser light.

Assessment Criteria

  • 4.1

    Describe and evaluate methods of measuring the radiation dose received by medical staff and patients.

  • 4.2
    Describe and evaluate equipment and procedures used to minimise the hazards from radiation and lasers in hospitals.


Recognise the benefits of modern imaging techniques in treating injuries and diseases.

Assessment Criteria

  • 5.1
    Describe and evaluate the use of a given modern imaging technique in a given treatment.