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Radt 1200 – Ch 12 Exam Questions And Answers
RADT 1200 – CH 12 EXAM QUESTIONS AND ANSWERS Patient protection during a diagnostic x-ray procedure should begin with _______ - Answer- clear, concise instruction Why are immobilization devices sometimes used during radiographic exams? - Answer- to minimize patient motion Identify the two types of patient motion - Answer- 1) Voluntary 2) Involuntary What technical factor change can reduce the effects of involuntary motion? - Answer- shortening the length of exposur...
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Radt 1200 - 8, 9, 10 - Test 3 Exam Questions And Answers
PopularRADT 1200 - 8, 9, 10 - TEST 3 EXAM QUESTIONS AND ANSWERS When biologic effects of radiation occur relatively soon after humans receive high doses of ionizing radiation, the biologic responses demonstrated are referred to as ____________________. - Answer- Early affects The term ____________________ originates from the Greek term "soma" meaning "body." - Answer- somatic ____________________ effects are effects upon the body that was irradiated. - Answer- Somatic ...
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Radt 1200 - Exam 4 Qestions And Answers
RADT 1200 - EXAM 4 QESTIONS AND ANSWERS Radiation-induced cataracts in humans follow a ______ dose-response relationship. a. threshold, nonlinear b. threshold, linear c. nonthreshold, linear d. nonthreshold, nonlinear - Answer- a. threshold, nonlinear Among the atomic bomb survivors, the number of leukemia victims has _______________ since the late 1940s and early 1950s. However, the occurrence rates of other radiation-induced malignancies have continued to ___________since the lat...
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Radt 1200 Chapter 3 And 4 Exam Q’s And A’s
RADT 1200 CHAPTER 3 AND 4 EXAM Q’S AND A’S Direct transmission means that x-ray photons: - Answer- pass through biologic tissue without interaction Before interacting with matter, an incoming x-ray photon may be referred to as which of the following? - Answer- primary photon Noninteracting and small-angle scattered photons comprise - Answer- exit, or image formation, radiation Small angle scatter: - Answer- degrade the appearance of a completed radiographic image...
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Radt 1200 Chapters 11-13 Questions And Answers
RADT 1200 CHAPTERS 11-13 QUESTIONS AND ANSWERS Effective Communication between the radiographer and the patient depends on which of the following? 1) Ensuring body language reinforces verbal discourse so that messages are understood as intended 2) Explaining the imaging procedure in simple terms, and giving instructions clearly and concisely 3) Giving the patient the opportunity to ask questions, and answering them truthfully within ethical limits - Answer- 1, 2, and 3 According t...
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Radt 1200 Ch 37 & 39 Questions And Answers
RADT 1200 CH 37 & 39 QUESTIONS AND ANSWERS Entrance Skin Exposure (ESE) or Entrance Skin Dose (ESD) - Answer- •Most often reported & referred to as pt. dose , easy to measure Gonadal Dose-GSD Genetically Sig. Dose - Answer- •Important due to genetic responses, easy to measure Bone Marrow Dose - Answer- ave radiation dose to the entire active bone marrow •Important due to rad-induced leukemia, est. from ESE and cannot be directly measured. Thermoluminescence dosimet...
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Radt 1200 - Moleculars & Cellular Radiation Biology Exam Questions And Answers
RADT 1200 - MOLECULARS & CELLULAR RADIATION BIOLOGY EXAM QUESTIONS AND ANSWERS A multistage process that first involves the production of reactive free radicals that are created by the interaction of radiation with water molecules - Answer- Indirect action Concept that the cell dies if the master, or key, molecule becomes inactive as a consequence of exposure to ionizing radiation - Answer- Target theory Solitary atoms or most often a combination of atoms that behave as single e...
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Radt 1200 – Final Exam Q’s And A’s
RADT 1200 – FINAL EXAM Q’S AND A’S The transfer of energy from one location to another - Answer- Radiation The degree to which the diagnostic study accurately reveals the presence or absence of disease in the patient, while adhering to radiation safety guidelines - Answer- Diagnostic efficacy The amount of ionization produced in air when ionizing radiation is present - Answer- Exposure Exposure is measured in - Answer- Coulomb per kilogram The amount of energ...
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Radt1200 Chapters 11, 12, 15 & 16 Questions And Answers
RADT1200 CHAPTERS 11, 12, 15 & 16 QUESTIONS AND ANSWERS All digital imaging devices are subject to certain artifacts such as 1. aliasing 2. moire patterns 3. contouring - Answer- all of the options the protective tube housing serves as a shield against _______ entering the X-ray tube, thereby preventing electric shock while also facilitating the cooling of the X-ray tube. - Answer- the high voltage when using digital fluoroscopy systems. making use of the last image hold f...
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Radt 1200 Ch33 Exam Questions And Answers
RADT 1200 CH33 EXAM QUESTIONS AND ANSWERS ionizing radiation effects that occur w/in days or weeks of exposure - Answer- deterministic effects deterministic effects are initiated by ____ doses and are not normally encountered in modern radiology - Answer- high SI units for radiation in air - Answer- Gray a traditional units for radiation in air - Answer- Roentgen SI units for occupational dose - Answer- Sievert traditional units for occupational dose - Answe...
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