Lra 216 Study guides, Class notes & Summaries

LRA 216 Final Exam Latest Update with Verified Solutions Dose limits are based on a _____ dose-response relationship to radiation. linear, nonthreshold The NCRP publishes annual dose limits for____exposure All of the above If a technologist is receiving 2 mGyt/hr standing 1 foot from the patient during fluoroscopy, what is his rate of exposure when he steps back to a distance of 2 feet from the patient? 0.50 mGyt/hr The first radiation health physicists worked with____ The atomic bomb When u...

LRA 216 Exam Answered 100% Correct

LRA 216 Exam Answered 100% Correct

The bucky slot opening in the side of the table must be automatically covered with _____ mm Pb during fluoroscopy. - Answer 0.25 The leakage radiation limit for x-ray tubes is less than____mGy/hr at 1 meter from the tube housing - Answer 1 A secondary barrier is designed to absorb____ radiation - Answer leakage Scatter

LRA 216 Final Exam Questions and Answers | Latest Update | 2024/2025 | Graded A+ A controlled area is one occupied primarily by____ Radiology personnel Patients A cumulative timer is designed to _____ of fluoroscopy beam-on time. make the radiologist aware A fluoroscopy system with automatic collimation must provide an unexposed border around the image at____above the tabletop all heights A Geiger-Muller counter is a gas filled detector A protective apron with a thickness o...

LRA 216 WK 3 CH 7: Quiz | Latest Update | 2024/2025 | Rated A+ Which of the following produce the greatest radiation exposure in diagnostic radiology? a. Extremity radiographs b. Spine radiographs c. Skull radiographs d. Fluoroscopic procedures d. Fluoroscopic procedures How much total filtration is required when using over 70 kVp? a. 1.5 mm A b. 2.5 mm Al c. 3.0 mm Al d. 4.0 mm Al b. 2.5 mm Al Which of the following combinations would reduce patient radiation dose during a...

LRA 216 Week 1 Quiz | Latest Update | Graded A+ The dose limit for the general public is _______ the dose limit for occupational exposure. 1/10 What is the best approach to occupational radiation exposure? Follow the concept of ALARA The dose limits established by the NCRP are derived from _______? BEIR and NSC reports The three cardinal principals of radiation protection involve_________. Time, Distance, and Shielding The concept of effective dose accounts for the ______. a.) dif...

the primary protective barrier - perpendicular 1/16th in of lead and 7ft tall secondary protective layer - parallel 1/32in of lead 7ft control booth - secondary protective barrier personnel only. the average lead glass window - of the shielded control booth consists of 1.5mm of Pb the x-ray cord has to be connected to _____ and be ____ long - the console and be 6ft long the x-ray tube is enclosed by ______ and is ______ - lead and 1.5mm Pb the leakage from x-r...

Dose limits are based on a _____ dose-response relationship to radiation. - linear, nonthreshold The NCRP publishes annual dose limits for____exposure - All of the above If a technologist is receiving 2 mGyt/hr standing 1 foot from the patient during fluoroscopy, what is his rate of exposure when he steps back to a distance of 2 feet from the patient? - 0.50 mGyt/hr The first radiation health physicists worked with____ - The atomic bomb When using the inverse square law during fluoroscopy...