RADT_153_Unit_12_Exam_

RADT_153_Unit_12_Exam_ - RADT 153 Image Analysis Unit 12...

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RADT 153 Image Analysis Unit 12 Exam The Effects of Grids on Radiographic Quality
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2 12.0 The Effects of Grids on Radiographic Quality Directions: 1. Write your name and the date on your Scantron form. Identify the subject as the course number (for example, RADT 101) along with the test number (for example, Unit 1). 2. For each of the questions below, select the best answer to the question. 3. Using a No. 2 pencil, fill in the appropriate answer on the answer sheet. 4. Erase unwanted answers completely. Questions with two or more filled in answer spaces are graded as incorrect. 5. Answer all questions. 6. You have a maximum 15 minutes to complete the following 25 questions. (Note this time factor approximates the amount of time you would be allowed to answer the same number of questions on the Registry examination in radiography) ------------------------------------------------------------------------------------------------- 1. Additional unwanted density on a radiographic image usually caused by secondary or scatter radiation produced within the body is known as_________. A. clutter B . f o g C. distortion D. contrast E. blurring 2. Which of the following is the most effective way to remove scatter radiation? A. Angling the x-ray tube B. Using a cassette C. Using a radiation enhancer D. Using a grid E. Increase OID
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3 3. What are the two names for the simplest type of grid? A. Parallel and focused B. Unfocused and focused C. Parallel and unfocused D. Criss-cross and focused E. Criss-cross and parallel 4. The most often grid used in today’s radiography is which of the following? A.
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This note was uploaded on 11/12/2011 for the course RADIOLOGY 153 taught by Professor Walters during the Spring '11 term at Boise State.

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RADT_153_Unit_12_Exam_ - RADT 153 Image Analysis Unit 12...

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