HMI101 - Medical Radiation Science 1


2023 unit information

Enrolment modes:

Semester 1: Waurn Ponds (Geelong)

Credit point(s): 1
EFTSL value: 0.125
Cohort rule: This unit is only available to students enrolled in H309 - Bachelor of Medical Imaging



HMI102, HMI103

Incompatible with:


Study commitment

Students will on average spend 150 hours over the teaching period undertaking the teaching, learning and assessment activities for this unit.

Scheduled learning activities - campus

1 x 1 hour class per week, 1 x 2 hour simulation per week, and 1 x 1 hour problem based learning seminar per week


This introductory unit establishes and relates first principles from classical and radiation physics, radiobiology, electrostatics and electro magnetism to medical imaging technology and diagnostic procedures concerned with the use of ionising radiations for medical and dental use.

The essential themes of discipline-based content presented in this unit include: principles and theory of atomic structure; generic characteristics of electromagnetic radiations; x-ray production and emission; essential interactions between x-rays, matter and biological tissues; the characteristics of absorption scatter and attenuation of x-rays; filtration, shielding and detection of x-rays; exposure control and regulation.

The unit features problem-based laboratory and radiation simulation exercises to facilitate learning and practical integration.

The laboratory and simulation component involves interactive exercises involving:

  1. Development of the ideas of energy deposition in matter by radiation;
  2. Consideration of the principles of radiation protection and the statutory requirements of medical x-ray examination system designs.
  3. Practical simulations involving the complex technical relationships that exist between x-ray image formation, basic design of x-ray tubes and high voltage generating systems, image processing chains and computerised and digital imaging systems.

Unit Fee Information

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