Stochastic effects Study guides, Class notes & Summaries

Main property of x-radiation that makes it potentially hazardous is its ability to? - Ionize Describe the damage potential of ionization? - Chain reaction in the human body that may eventually cause biologic damage. X-rays are from the Electric Magnetic Spectrum or radiation energy and is considered harmful in high energy ranges. What is the most likely potential hazard working with diagnostic radiology? - Carcinogenesis - Stochastic/Non-Threshold Effect .1 Rem = ? Seivert - 1 Sievert ...

Test bank for Radiologic Science for Technologists Physics, Biology, and Protection 12th Edition Chapter 1-40 Author: Stewart Bushong TABLE OF CONTENTS Chapter 1. Essential Concepts of Radiologic Science Chapter 2. Basic Physics Primer Chapter 3. The Structure of Matter Chapter 4. Electromagnetic Energy Chapter 5. Electricity, Magnetism, and Electromagnetism Chapter 6. The X-Ray Imaging System Chapter 8. X-Ray Production Chapter 9. X-Ray Emission Chapter 10. X-Ray Interaction With Matter Chapter...

Radiation Protection in Medical Imaging || Test Questions & Answers (100% Verified) Radiation Protection in Medical Imaging || Test Questions & Answers (100% Verified) 1. Biologic material irradiated under hypoxic conditions is (A) more sensitive than when irradiated under oxygenated conditions (B) less sensitive than when irradiated under anoxic conditions (C) less sensitive than when irradiated under oxygenated conditions (D) unaffected by the presence or absence o oxygen -...

Increased dose equals increased probability of effects best describes what effect? CORRECT ANSWER Stochastic Effects The annual effective dose limit for the general public, assuming frequent exposure, is...? CORRECT ANSWER 1.0 mSv The use of gonadal shielding on female patients may reduce gonad dose by up to what percentage? CORRECT ANSWER 50% The blood count is depressed following a whole body dose equivalent of at least how many rads? CORRECT ANSWER 0.25 Sv Radiation doses up to __...

The tabletop exposure rate during fluoroscopy shall not exceed CORRECT ANSWER 21 mGy/min @ 80 kVp The monthly gestational dose-equivalent for fetus of a pregnant radiographer is: CORRECT ANSWER 0.5 mSv Stochastic/probabilistic effects of radiation are those that: CORRECT ANSWER May be described as "all or nothing" effects Are Late effects Percentage of public exposure to ionizing radiation is from MEDICAL SOURCES? CORRECT ANSWER 50% Somatic effects of radiation refer to effects th...

Mild burns, cell mutation and cancer are all hazards of what? - Answer-Ionising radiation from x-rays Can X-rays be seen, heard or felt? - Answer-No What is the safe level of use with x-rays? - Answer-There isn't a safe level What does every radiation exposure cause? - Answer-Tissue damage Long term, low level exposure to radiation. - Answer-Stochastic Tissue reactions are... - Answer-Non-cancer damaging effects Random development when exposed to any radiation dose: Heritable effects - m...

Test bank for Radiologic Science for Technologists Physics, Biology, and Protection 12th Edition Chapter 1-40 Author: Stewart Bushong TABLE OF CONTENTS Chapter 1. Essential Concepts of Radiologic Science Chapter 2. Basic Physics Primer Chapter 3. The Structure of Matter Chapter 4. Electromagnetic Energy Chapter 5. Electricity, Magnetism, and Electromagnetism Chapter 6. The X-Ray Imaging System Chapter 8. X-Ray Production Chapter 9. X-Ray Emission Chapter 10. X-Ray Interaction With Matter Chapter...

Attenuation: A. Is radiation that emerges from the patient B. Describes changes in the x-ray beam as it travels through the patient C. Produces only scatter radiation D. Occurs only at doses used in radiation therapy B. Describes changes in the x-ray beam as it travels through the patient Which photon-tissue interaction makes radiography possible because of its creation of contrast? A. Compton B. Coherent C. Photoelectric D. Pair production C. Photoelectric Which photon-t...

Radiation Protection in Medical Radiography Ch. 1-4 Exam – With All Questions & 100% Correct Answers Radiation Protection in Medical Radiography Ch. 1-4 Exam – With All Questions & 100% Correct Answers Who discovered x-rays? - ANSWER - Wilhelm Conrad Roentgen What year were x-rays discovered? - ANSWER - 1895 How were x-rays discovered? - ANSWER - Roentgen was investigating the nature of cathode rays and fluorescent materials. Passed electricity through a Crookes tube that was cover...

Test bank for Radiologic Science for Technologists Physics, Biology, and Protection 12th Edition Chapter 1-40 Author: Stewart Bushong TABLE OF CONTENTS Chapter 1. Essential Concepts of Radiologic Science Chapter 2. Basic Physics Primer Chapter 3. The Structure of Matter Chapter 4. Electromagnetic Energy Chapter 5. Electricity, Magnetism, and Electromagnetism Chapter 6. The X-Ray Imaging System Chapter 8. X-Ray Production Chapter 9. X-Ray Emission Chapter 10. X-Ray Interaction With Matter Chapter...