Film Faults and Radiography Techniques

Assessment:

Knowledge questions:

Please carefully read through each question posed.  In your response, please use terms and phrases you defined in your previous assessment.  Reflect on your learning unit and your own research.  Please aim to present 180 words for each response to fully demonstrate your knowledge in this area of study.  A minimum of 150 words for each response is required.
Please note:   Where the word count is not met, your submission will be returned to you for re-working.

1.     How would you avoid or rectify the following film faults?
Automatic processors operate on the same principles as manual darkroom processing.  Describe the methods used when preparing film for processing in an automatic processor, and briefly explain how an automatic processor functions.
What are the basic principles for producing quality images through manual processing of x-rays?
Explain how radiographic stock is stored and maintained at your practice.  Where do you store your radiographic stock?  What are the benefits of your stocktaking and ordering processes?  
Digital radiography is increasingly used in dental practices.  Using your own workplace examples, discuss the advantages and disadvantages of using the main types of digital radiography.  What is digital radiography, and when is it used in your practice?
If digital radiography is not used at your practice, answer the questions hypothetically.
The image below shows a patient undergoing an orthopantomogram (OPG).  What is an OPG, and when is it used?  Explain how you would prepare this patient for the OPG.  Is the patient in the image correctly positioned?