And shielding - Study guides, Class notes & Summaries

CWB Welding Inspector Level III Study Guide 2024/2025 With Complete Solutions. Which of the following metals has the highest thermal conductivity? (a) carbon steel (b) stainless steel (c) aluminum - Correct Answer-(c) The Ellingham diagram (a) is a plot of thermal conductivity against temperature, (b) shows the free energy of oxide formation against temperature. (c) shows the rate of oxidation of metals against temperature. - Correct Answer-(b) True or False? A metal with a high negati...

13. Genetic effects from exposure to ionizing RAdiation occur as a result of RAdiation- induced damage to the DNA molecule in which of the FOllowing? 1. Sperm of a man 2. Ova of a woman 3. Somatic cells of men and women a. 1 only b. 2 only c. 3 only d. 1 and 2 only ANS: D 14. What do agents such as specific chemicals, viruses, and ionizing RAdiation have in common? a. Nothing b. They can increase the frequency of mutations in only those members of the population who are already geneti...

Which of the following statements are correct regarding the link between radiation dose and genetic effects? 1. The link has been demonstrated in human studies. 2. The link has been demonstrated in animal studies. 3. increased risk to humans cannot be predicted with respect to an individual. correct answer: 2 and 3 only Which of the following changes in kilovoltage (KVP) will result in the greatest reduction of patient dose, when milliamperage-seconds (mAs) is adjusted to compensate for t...

Which of the following changes in (KVP) will result in the greatest reduction of patient dose, when (MAS) is adjusted to compensate for the change? correct answer: Increase kVp by 30% Which of the following (IR) system speeds will result in the lowest patient dose? correct answer: Faster speed IR system What is the primary purpose of using gonad shields during radiography? correct answer: Reduce the likelihood of genetic effects Contact & shadow are two types of gonad shield correct ...

TEST BANK FOR RADIATION, PROTECTION IN MEDICAL RADIOGRAPHY 8th EDITION BY SHERER ALL CHAPTERS INCLUDED 2023/2024. Chapter 01: Introduction to Radiation Protection Sherer: Radiation Protection in Medical Radiography, 8th Edition MULTIPLE CHOICE 1. Consequences of ionization in human cells include 1. creation of unstable atoms. 2. production of free electrons. 3. creation of highly reactive free radicals capable of producing substances poisonous to the cell. 4. creation of new biologi...

Purpose of the CBP radiation detection program -correct answer To detect and prevent illicit radioactive materials from entering the U.S. or from being moved away from the border areas within the U.S. What are the principles relating to ALARA (As Low As Reasonably Achievable)? -correct answer Time, Distance, and Shielding. What is the procedure for responding to a radiation alert? -correct answer SIN and call LSSD. What are the functions of the Radiation Portal Monitor (RPM)? -correc...

Bontrager Chapter 5 Self-test Humerus & Shoulder Girdle Already Graded A+ Shoulder Joint and Anatomy 1. Terms that describe the shoulder joint: - Scapulohumeral & Glenohumeral 2. Joint at the lateral end of the clavicle: - Acromioclavicular joint 3. Angles found on the scapula: - Inferior, lateral, & superior angles 4. Structure of the scapula that extends most anteriorly: - Coracoid process 5. True/False: The male clavicle is shorter and less curved than the female clavicle. - F...

IRRSP Practice Test graded A+ TO PASS The activity of a radioactive source - correct answer The term "Curie" defines: a. The exposure of a radioactive source b. The intensity of a radioactive source c. The activity of a radioactive source d. The output of a radioactive source Reddening of the skin, loss of hair, blistering - correct answer Which of the following are symptoms of an acute extremity overexposure? a. Nausea, vomiting, diarrhea b. Fatigue, nausea, reddening of the skin c...

LRA 110 Final Exam Questions and Answers Rated A+ x rays were discovered ? November 8, 1895 by Wilhelm Conrad Roentgen the first radiograph produced by Dr. Roentgen was of His wife's hand radiation burn resulting from excessive exposure to xrays common among early patients and operators of xray equipment a delayed reaction to excesssive xray exposure acute radiodermatitis Watt is the unit of measure of power energy in a stored state is potential energy energy being expended? potential ene...

Test Bank For Radiation Protection in Medical Radiography 9th Edition by Sherer | Chapter 1-14 | Complete 2023. Chapter 01: Introduction to Radiation Protection Sherer: Radiation Protection in Medical Radiography, 9th Edition MULTIPLE CHOICE 1. Consequences of ionization in human cells include 1. creation of unstable atoms. 2. production of free electrons. 3. creation of highly reactive free radicals capable of producing substances poisonous to the cell. 4. creation of new biologic mole...