UPLOAD ANSWER SHEET:  [40]

RIGHT CLICKON THE BLUE BUTTON BELOW TO FIND THE FORMULA SHEET     INSTRUCTIONS 1. The answers you provide must be your own, original work. No copying from any source is allowed. 2. Calculators may be used. CLEAR WORKING OF WORK MUST BE SHOWN. 3. WRITE answers to ALL questions on FOLIO line paper. 4. No typed answers are allowed. 5. Multiple pages of handwritten answers must be scanned and saved as 1 PDF FILE. No images are allowed or will be accepted. (Use Cam-scanner or any app that has this function). 6. Write your answers to each question below one another and NOT NEXT to each other. Draw a line at the end of each question. 7. Your pages scanned in the PDF File should be UPRIGHT and not sideways or upside down. 8. Scan all your answers to this exam into one .pdf file. Name your file as indicated: P4 Mock  Initial  surname.pdf 9. FINAL answers must be rounded off to 2 decimal places unless stated otherwise in any specific question. 10. Write NEATLY and Legibly and number according to the numbering system in this test.

Pertaining to x-ray radiation, wavelength and frequency have a ____ type of relationship.

The radiographic interaction responsible for absorption is____.

The radiographic contrast caused by the differences in the patient’s body components is called:

Which of the following will be associated with an increase in the size distortion that will occur in a radiographic image? A decreased SID An increase in the size of the effective focal spot An increased OID  

The HVL is the amount of material required to reduce the

State “Increase”, “Decrease” or “No Effect” to indicate how each factor is related to beam attenuation, absorption and transmission. Type your answer exactly as it is written in the quotes or it will be marked as incorrect. Factor Beam Attenuation Absorption Transmission Increased part thickness   [Answer1] [Answer2] [Answer3] Decreased beam quality   [Answer4] [Answer5] [Answer6] Increased anatomic density   [Answer7] [Answer8] [Answer9] Decreased anatomic number   [Answer10] [Answer11] [Answer12]

The reduction in the intensity or number of photons in the primary x-ray beam is known as

Identify the types of relationship that exists between the following factors.  Write “Inverse”, “Direct” or “No Relationship”. Write your answer exactly as it is typed within the quotes or it will be marked as incorrect. Blur and spatial resolution [answer1] SID and Elongation [answer2] kVp and contrast [answer3] Anatomic Density and Radiographic Density [answer4] Compton Interaction and Scale of Contrast [answer5] SID and Spatial Resolution [answer6] Brightness and Photoelectric [answer7]