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Questions and Answers
What is the correct term used to describe an intravenous injection of a concentrated volume of contrast media?
What is the correct term used to describe an intravenous injection of a concentrated volume of contrast media?
- bolus (correct)
- luminal
- extravasation
- infusion
Which of the following methods utilizes a detector that captures x-ray energy and converts it into an electronic signal?
Which of the following methods utilizes a detector that captures x-ray energy and converts it into an electronic signal?
- direct capture (correct)
- CCD
- indirect capture
- cassette based radiography
The energy of a characteristic x-ray photon created when an L shell electron fills a K shell vacancy in a tungsten atom will have which of the following energies?
The energy of a characteristic x-ray photon created when an L shell electron fills a K shell vacancy in a tungsten atom will have which of the following energies?
- 91.5 keV
- 57.5 keV (correct)
- 12 keV
- 69.5 keV
Identify the position that will place the positive contrast agent in the body of the stomach and pyloris during a double contrast upper GI exam.
Identify the position that will place the positive contrast agent in the body of the stomach and pyloris during a double contrast upper GI exam.
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Study Notes
Radiology Terminology
- A bolus injection is the correct term used to describe an intravenous injection of a concentrated volume of contrast media.
Radiographic Imaging
- The method that utilizes a detector that captures x-ray energy and converts it into an electronic signal is called a Digital Radiography (DR) system.
X-ray Photon Energy
- The energy of a characteristic x-ray photon created when an L shell electron fills a K shell vacancy in a tungsten atom is approximately 8.1 keV.
Upper GI Exam Positioning
- To place the positive contrast agent in the body of the stomach and pylorus during a double contrast upper GI exam, the patient should be positioned in the left posterior oblique (LPO) position.
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