MEDI12001 - Radiation Science
Term 1 - 2017


All details in this unit profile for MEDI12001 have been officially approved by CQUniversity and represent a learning partnership between the University and you (our student). The information will not be changed unless absolutely necessary and any change will be clearly indicated by an approved correction included in the profile.

Overview

This unit prepares you for the safe and effective use of ionising radiation for radiographic imaging in the simulated and clinical environment. The unit covers production and control of the radiation beam, radiation interactions in matter and risk of detriment to the human body from exposure to radiation. Radiation safety and dose minimisation practices are examined in light of current findings on detriment from low level radiation.

Details

Career Level Undergraduate
Unit Level Level 2
Credit Points 6
Student Contribution Band 2
Fraction of Full-Time Student Load 0.125

Pre-requisites or Co-requisites

Pre-requisites:

MEDI11001 Fundamentals of the Imaging Professions; and

MEDI11002 Physics for Health Science; and

ESSC11004 Study and Research Skills for Health Sciences (replacing SCIE11023)

Attendance Requirements

All on-campus students are expected to attend scheduled classes – in some units, these classes are identified as a mandatory (pass/fail) component and attendance is compulsory. International students, on a student visa, must maintain a full time study load and meet both attendance and academic progress requirements in each study period (satisfactory attendance for International students is defined as maintaining at least an 80% attendance record).

Offerings

Term 1 - 2017
  • Mackay

Website

This unit has a website, within the Moodle system, which is available two weeks before the start of term. It is important that you visit your Moodle site throughout the term. Go to Moodle

Recommended Student Time Commitment

Each 6-credit Undergraduate unit at CQUniversity requires an overall time commitment of an average of 12.5 hours of study per week, making a total of 150 hours for the unit.

Class Timetable

Assessment Overview

Assessment Task Weighting
1. In-class Test(s) 40%
2. In-class Test(s) 60%

This is a graded unit: your overall grade will be calculated from the marks or grades for each assessment task, based on the relative weightings shown in the table above. You must obtain an overall mark for the unit of at least 50%, or an overall grade of ‘pass’ in order to pass the unit. If any ‘pass/fail’ tasks are shown in the table above they must also be completed successfully (‘pass’ grade). You must also meet any minimum mark requirements specified for a particular assessment task, as detailed in the ‘assessment task’ section (note that in some instances, the minimum mark for a task may be greater than 50%). Consult the University’s Grades and Results Procedures for more details of interim results and final grades.

All University policies are available on the IMPortal.

You may wish to view these policies:

  • Grades and Results Procedure
  • Assessment Policy and Procedure (Higher Education Coursework)
  • Review of Grade Procedure
  • Academic Misconduct Procedure
  • Monitoring Academic Progress (MAP) Policy and Procedure – Domestic Students
  • Monitoring Academic Progress (MAP) Policy and Procedure – International Students
  • Refund and Excess Payments (Credit Balances) Policy and Procedure
  • Student Feedback – Compliments and Complaints Policy and Procedure
  • Acceptable Use of Information and Communications Technology Facilities and Devices Policy and Procedure

This list is not an exhaustive list of all University policies. The full list of University policies are available on the IMPortal.

Feedback, Recommendations and Responses

Every unit is reviewed for enhancement each year. At the most recent review, the following staff and student feedback items were identified and recommendations were made.

Feedback Source Recommendation
Use of concept maps to aid in learning. Coordinator self-reflection Have your say evaluation Concept maps were used during consolidation week and worked well as a revision tool. Include more concept maps during tutorials to help enhance students' understanding of key content covered in the course.
Use of study guides for tutorials. Coordinator self-reflection Have your say evaluation Provide study guides as a self-study tool for students to test their understanding of the course content. Include more interactive activities for tutorial sessions.
On successful completion of this unit, you will be able to:
  1. Outline the design, structure and operation of the x-ray tube in the production of x-radiation.
  2. Discuss the use of devices and technical parameters to control the production, filtration and emission of the x-ray beam.
  3. Apply knowledge of x-ray interactive processes, probabilities of interactions and exponential attenuation concepts to the control of absorption and scatter in radiographic imaging and radiation protection.
  4. Discuss the long and short term effects of ionising radiation on the human body, embryo and foetus.
  5. Apply the ALARA principle to the operation of x-ray equipment and the practice of radiography.

Medical Radiation Practice Board of Australia Professional Capabilities for Medical Radiation Practice:

Domain 4: 1. Implement safe radiation practice appropriate to their division of registration. 2. Confirm and operate equipment safely and appropriate to their division of registration. 3. Maintain safety of self and others in the work environment appropriate to their division of registration. 4. Safely manage radiation and radioactivity in the environment.

Domain 5: 2. Apply principles of medical radiation physics and instrumentation.

Alignment of Assessment Tasks to Learning Outcomes

Assessment Tasks Learning Outcomes
1 2 3 4 5
1 - In-class Test(s)    
2 - In-class Test(s)

Alignment of Graduate Attributes to Learning Outcomes

  • Introductory Level
  • Intermediate Level
  • Graduate Level
Graduate Attributes Learning Outcomes
1 2 3 4 5
1. Communication
2. Problem Solving  
3. Critical Thinking          
4. Information Literacy
5. Team Work          
6. Information Technology Competence          
7. Cross Cultural Competence          
8. Ethical practice        

Alignment of Assessment Tasks to Graduate Attributes

  • Introductory Level
  • Intermediate Level
  • Graduate Level
Assessment Tasks Graduate Attributes
1 2 3 4 5 6 7 8
1 - In-class Test(s)          
2 - In-class Test(s)        

Prescribed Textbooks

The Essential Physics of Medical Imaging
Author/s: Jerrold T. Bushberg Et Al Year: 2014
Edition: 3rd Publisher: Lippincott Williams and Wilkins
City: Philadelphia State: PA
Country: USA
Radiologic Science for Technologists: Physics, Biology, and Protection
Author/s: Stewart C. Bushong Year: 2014
Edition: 11th Publisher: Elsevier
City: Philadelphia State: PA
Country: USA
View textbooks at the CQUniversity Bookshop
Note:

Students taking this course will be using the two textbooks for the course MEDI12002: Science & Instrumentation 1 as well.Students may use either the hardcopy (ISBN 9780781780575) or e-book version (ISBN 9781469871738 ) of The Essential Physics of Medical Imaging text.

IT Resources

You will need access to the following IT resources:
  • CQUniversity Student Email
  • Internet
  • Unit Website (Moodle)
All submissions for this unit must use the Harvard (author-date) referencing style (details can be obtained here). For further information, see the Assessment Tasks below.
Unit CoordinatorReshmi Kumar (r.d.kumar@cqu.edu.au)
Note: Check the Term-Specific section for any additional contact information provided by the teaching team
Week Begin Date Module/Topic Chapter Events and Submissions
Week 1 06-03-2017

X-ray tube construction and operation

  • Review of Physics foundation concepts associated with medical imaging
  • Internal and external structure of the x-ray tube
  • Contribution of the internal structures towards x-ray tube operation

Recommended readings available on the unit Moodle site

Lab 1

Week 2 13-03-2017

X-ray production

  • Heat production at anode
  • Characteristic radiation process
  • Bremsstrahlung radiation process

Recommended readings available on the unit Moodle site

Lab 2

Week 3 20-03-2017

X-ray spectrum

  • X-ray emission spectrum
  • Impact of exposure time, mAs and kVp on beam spectrum

Recommended readings available on the unit Moodle site

Lab 3

Week 4 27-03-2017

Interaction of x-rays with matter

  • Compton scattering
  • Photoelectric effect
  • Factors affecting probability of interactions of x-ray with matter

Recommended readings available on the unit Moodle site

Lab 4

Week 5 03-04-2017

X-ray beam attenuation

  • Exponential attenuation
  • Added and inherent filtration
  • HVL
  • Impact of filtration on beam spectrum

Recommended readings available on the unit Moodle site

Lab 5

Vacation Week 10-04-2017

Break

Week 6 17-04-2017

Radiosensitivity and Radiation risk

  • Radiosensitivity classification of cell and tissue type
  • Physical and biological factors affecting radiation response
  • Stochastic versus Deterministic effects
  • Radiation dose-response relationships
  • Epidemiological studies to assess risk of radiation detriment
  • Risk models

Recommended readings available on the unit Moodle site

Week 7 24-04-2017

Hereditary effects of radiation

  • Review of meiosis and gamete production
  • Radiation effect on different developmental stages of pregancy
  • Target theory
  • Models of cell survival
  • Cell recovery

Recommended readings available on the unit Moodle site

In-class Test 1 Due Monday (24 Apr 17) 11:00 AM AEST
Week 8 01-05-2017

Radiation effects at the cellular level, on the body systems and the body

  • Review of mitosis process
  • In-vitro irradiation of macromolecules (main-chain scission, cross-linking and point lesions)
  • Effects of radiation on DNA
  • Radiolysis of water
  • Direct and indirect effects of radiation

Recommended readings available on the unit Moodle site

Week 9 08-05-2017

Expressions of radiation quantity

  • Radiation regulations and governing bodies
  • SI and/or tradition units of measure (Exposure, exposure rate, radioactivity, KERMA, entrance surface dose, dose area product, absorbed dose, equivalent dose, effective dose, tissue weighting factor)

Recommended readings available on the unit Moodle site

Week 10 15-05-2017

Radiation protection

  • Cardinal principles of radiation protection
  • ALARA principle
  • Leakage radiation
  • Radiographic features in modern x-ray imaging systems
  • Design of primary and secondary radiation barriers

Recommended readings available on the unit Moodle site

Week 11 22-05-2017

Radiation dose management

  • Radiation detection and management
  • Occupational versus public radiation exposure
  • Managing occupational exposure
  • Reducing unnecessary patient radiation dose
  • Pregnant patients

Recommended readings available on the unit Moodle site

Week 12 29-05-2017

Consolidation and revision

Review/Exam Week 05-06-2017
In-class Test 2 Due Monday (05 Jun 17) 11:00 AM AEST
Exam Week 12-06-2017

This unit is designed to be taken concurrently with MEDI12002 Science and Instrumentation 1 and MEDI12003 Imaging Procedures 1. Content from both of those units will be referred to and applied in this unit in both learning activities and assessments. Each week normally includes two hours of lectures and a tutorial. There are practical lab sessions from Weeks 1 - 5 inclusive. You will be required to adhere to all occupational health and safety requirements related to the use of the Medical Imaging laboratories, including completion of the mandatory lab induction prior to your first session. You are required to wear your Medical Imaging lab/clinical shirt for all practical lab sessions.

1 In-class Test(s)

Assessment Title In-class Test 1
Task Description

This in-class test will be held in Week 7 and you will write the in-class test to demonstrate your ability to apply the concepts and use the terminology from Weeks 1 - 5 of the unit. All questions will be based on the posted weekly learning goals. Question tasks will be of the same types that you will practice in weekly tutorials. These tasks may include analysis of projected diagrams, photographs and/or radiographs, creation of line diagrams to illustrate concepts, explanations and discussions.

This test is a closed-book assessment of 90 minutes duration. You will have a five minute perusal time prior to the allotted writing time. You will write the test under examinations conditions as detailed in the Assessment Procedures. You will submit your test paper and rough paper at the end of the test period.

This test must be written at the timetabled date and time. As per the Assessment Procedures, this task is to be completed during a defined period. There is no opportunity to apply a late penalty. If you arrive late, you may enter the test room up to 30 minutes after the start of the test; however, you will still be required to submit your test at the standard test end time. You will not be allowed entry more than 30 minutes after the test starts. In the absence of an approved extension, you cannot complete this assessment at a later time, and you will receive a mark of zero for the assessment if you have not completed it by the scheduled date and time.

Assessment Due Date Week 7 Monday (24-Apr-2017) 11:00 AM AEST
Return Date to Students Week 9 Monday (08-May-2017)
Weighting 40%
Assessment Criteria

Question responses will be scored on the following criteria:

  • correct use of terminology
  • correct selection and application of core concepts to the specific content of the question
  • clarity, correctness, relevance and completeness of the response in addressing the question that was asked

The number of marks for each question are allocated based on the depth and breadth of the required response, and will be indicated on the test paper.

Referencing Style Harvard (author-date)
Submission Hard copy

Learning Outcomes Assessed
This section can be expanded to view the assessed learning outcomes

1. Outline the design, structure and operation of the x-ray tube in the production of x-radiation.

2. Discuss the use of devices and technical parameters to control the production, filtration and emission of the x-ray beam.

3. Apply knowledge of x-ray interactive processes, probabilities of interactions and exponential attenuation concepts to the control of absorption and scatter in radiographic imaging and radiation protection.

Graduate Attributes
This section can be expanded to view the assessed graduate attributes

1. Communication

2. Problem Solving

4. Information Literacy



2 In-class Test(s)

Assessment Title In-class Test 2
Task Description

This in-class test will be held in Week 13 and you will write the in-class test to demonstrate your ability to apply the concepts and use the terminology from all weeks of study, with emphasis on Weeks 6 - 11 of the unit. All questions will be based on the posted weekly learning goals. Question tasks will be of the same types that you will practice in weekly tutorials. These tasks may include analysis of projected diagrams, photographs and/or radiographs, creation of line diagrams to illustrate concepts, explanations and discussions.

This test is a closed-book assessment of 90 minutes duration. You will have a five minute perusal time prior to the allotted writing time. You will write the test under examinations conditions as detailed in the Assessment Procedures. You will submit your test paper and rough paper at the end of the test period.

This test must be written at the timetabled date and time. As per the Assessment Procedures, this task is to be completed during a defined period. There is no opportunity to apply a late penalty. If you arrive late, you may enter the test room up to 30 minutes after the start of the test; however, you will still be required to submit your test at the standard test end time. You will not be allowed entry more than 30 minutes after the test starts. In the absence of an approved extension, you cannot complete this assessment at a later time, and you will receive a mark of zero for the assessment if you have not completed it by the scheduled date and time.

Assessment Due Date Review/Exam Week Monday (05-Jun-2017) 11:00 AM AEST
The test is to be written during the timetabled class time.
Return Date to Students Two weeks after the test due date.
Weighting 60%
Assessment Criteria

Question responses will be scored on the following criteria:

  • correct use of terminology
  • correct selection and application of core concepts to the specific content of the question
  • clarity, correctness, relevance and completeness of the response in addressing the question that was asked

The number of marks for each question are allocated based on the depth and breadth of the required response, and will be indicated on the test paper.

Conditions Minimum mark or grade - 50%
Referencing Style Harvard (author-date)
Submission Hard copy

Learning Outcomes Assessed
This section can be expanded to view the assessed learning outcomes

1. Outline the design, structure and operation of the x-ray tube in the production of x-radiation.

2. Discuss the use of devices and technical parameters to control the production, filtration and emission of the x-ray beam.

3. Apply knowledge of x-ray interactive processes, probabilities of interactions and exponential attenuation concepts to the control of absorption and scatter in radiographic imaging and radiation protection.

4. Discuss the long and short term effects of ionising radiation on the human body, embryo and foetus.

5. Apply the ALARA principle to the operation of x-ray equipment and the practice of radiography.

Graduate Attributes
This section can be expanded to view the assessed graduate attributes

1. Communication

2. Problem Solving

4. Information Literacy

8. Ethical practice




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