Post Test Questions and Answers

Post Test Questions and Answers The diagnostic x-ray range is a. 10 to 1,200 mA b. 0.001 to 10 seconds c. 25 to 150 kVp d. all of the above -Answer-d. all of the above When full-wave rectification is applied to three-phase current, a ____ ripple is produced. -Answer-voltage Thermionic emission occurs at the ______. -Answer-filament Driving the thermionic cloud from the negative side of the tube to the positive end of the tube requires ______. -Answer-a large potential difference An acronym can be helpful when preparing for an upcoming examination. An acronym is a ______. -Answer-word - formed by the first letters of a series of statements or facts Positive Beam Limitation (QC testing) must be accurate within (+) or (-) ______. - Answer-2% of the SID (source to image distance) To cover a 14x17 inch field size, at a 40 inch SID, a diagnostic x-ray tube should have an average target angle of ______. -Answer-12 degrees What percentage of target interaction results in the production of x-ray photons? - Answer-1% Characteristic interactions may occur only when the incident electron interacts with - Answer-an inner shell electron (within the target)