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TEST BANK FOR Bushong’s Radiologic Science for Technologists: Physics, Biology, and Protection 13th Edition by Stewart C. Bushong, Elizabeth Shields ISBN:978-0323765367 COMPLETE GUIDE 100% VERIFIED A+ GRADE ASSURED!!!!NEW LATEST UPDATE!!!!

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TEST BANK FOR Bushong’s Radiologic Science for Technologists: Physics, Biology, and Protection 13th Edition by Stewart C. Bushong, Elizabeth Shields ISBN:978-0323765367 COMPLETE GUIDE 100% VERIFIED A+ GRADE ASSURED!!!!NEW LATEST UPDATE!!!!

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,CHAPTER 1: INTRODUCTION TO RADIOLOGIC SCIENCE a o ao a o ao a o




1. Which of the following best describes the primary purpose of diagnostic r
ao ao ao ao ao ao ao ao ao ao ao




adiography?
A. To treat diseases using ionizing radiation
ao ao ao ao ao




B. To produceimages of internal structures for diagnosis
ao ao ao ao ao ao ao




C. To monitor patient vital signs
ao ao ao ao




D. To sterilize medical equipment
ao ao ao




Answer: B ao




Rationale: Diagnostic radiography’s main purpose is to produce images of internal b
ao ao ao ao ao ao ao ao ao ao ao




ody structures, allowing physicians to detect and diagnose abnormalities. Options A,
ao ao ao ao ao ao ao ao a o ao




C, and D are unrelated to diagnostic imaging.
ao ao ao ao ao a o ao ao




2. What is the primary source ofionizing radiation in medical imaging?
ao ao ao ao ao ao ao ao ao ao




A. MRI scanner ao




B. X-ray tube ao




C. Ultrasound transducer ao




D. PET scanner ao




Answer: B ao




Rationale:The X- ao ao




ray tube generates ionizing radiation used in diagnostic radiography. MRI and ult
ao ao a o a o a o ao ao ao ao ao ao




rasound use non- ao ao




ionizing energy, while PET uses radioactive tracers rather than producing radiatio
a o ao a o ao ao ao ao ao ao ao




n in a tube.
a o ao ao




3. How does the ALARA principle guide radiologic practice?
ao ao ao ao ao ao ao




A. Maximizing image quality regardless of dose ao ao ao ao ao




B. Minimizing radiation exposure while achieving diagnostic quality ao ao ao ao ao ao




C. Limiting patient interaction to reduce infection ao ao ao ao ao




D. Increasing exposure time for better penetration ao ao ao ao ao




Answer: B ao




Rationale: ALARA (“As Low As Reasonably Achievable”) ensures patient and st
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aff receive the minimum radiation dosenecessary for diagnostic-quality images.
ao ao ao a o ao ao ao ao ao

,4. A radiologic technologistis preparing to image a patient with a suspected f
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racture. Which safety measure is most important?
ao ao ao ao ao ao




A. Using the fastest imaging speed ao ao ao ao




B. Ensuring properpatient shielding and positioning ao ao ao ao ao




C. Increasing exposure to reduce repeat images ao ao ao ao ao




D. Allowing the patient to move during imaging ao ao ao ao ao ao




Answer: B ao




Rationale:Propershielding and positioning minimize unnecessary exposure and pro
ao ao ao ao ao a o ao ao ao




tect radiosensitive tissues. Options A, C, and D can increase radiation risk or degrad
ao a o ao ao ao ao ao ao ao ao a o ao ao




e image quality.
ao ao




5. Scenario:A 45-year- ao ao




old patient expresses concern about radiation exposure. How should the technol
a o ao ao ao ao ao ao ao ao ao




ogist respond? ao




A. Ignore their concerns;radiation is safe ao ao ao ao ao




B. Explain that doseis minimized and benefits outweigh risks
ao ao ao ao a o ao ao ao




C. Refuse to perform the exam ao ao ao ao




D. Increase exposure to ensure better images ao ao ao ao ao




Answer: B ao




Rationale:Patients should be informed about the low doseand the diagnostic benef
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its, reducing anxiety and promoting informed consent.
ao ao a o ao ao ao




6. Which professional organization establishes standards for radiologic t
ao ao ao ao ao ao ao




echnologists?
A. WHO
B. ASRT
C. FDA
D. CDC
Answer: B ao




Rationale: The American Society of Radiologic Technologists (ASRT) sets educatio
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nal and professional standards. FDA regulates equipment, CDC focuses on infection co
ao ao ao ao ao a o ao ao ao ao a o




ntrol, WHO on global health.
ao ao ao ao

, 7. Which imaging modality does not use ionizing radiation?
ao ao ao ao ao ao ao




A. CT scanao




B. MRI
C. X-ray
D. Fluoroscopy
Answer: B ao




Rationale:MRI uses magnetic fields and radio waves, which are non-
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ionizing. CT, X-ray, and fluoroscopyall use ionizing radiation.
ao ao ao ao ao ao ao a o




8. What is the most radiosensitive tissue in the human body?
ao ao ao ao ao ao ao ao ao




A. Muscle
B. Skin
C. Bone marrow ao




D. Cartilage
Answer: C ao




Rationale:Bone marrow contains rapidly dividing cells, making it highly sensitive to
ao ao ao ao ao ao ao ao ao ao ao




ionizing radiation. Muscle, skin, and cartilage are less sensitive.
ao a o a o ao ao ao a o ao ao




9. Which factor primarily affects the quality of an X-ray image?
ao ao ao ao ao ao ao ao ao




A. Patient diet ao




B. Tube voltage and current
ao ao ao




C. Room temperature ao




D. Technologist height ao




Answer: B ao




Rationale:Tube voltage (kVp) and current (mA) controlX-
ao ao ao ao ao ao ao ao




ray energy and photon quantity, directly affecting image quality.
ao ao ao ao a o ao ao a o




10. How often should radiologic equipment be tested for quality assurance?
ao ao ao ao ao ao ao ao ao




A. Daily
B. Monthly
C. Annually
D. Only when malfunction occurs
ao ao ao

Connected book
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Stewart C. Bushong, Elizabeth Shields Bushong\'s Radiologic Science for Technologists
Publisher: Unknown ISBN: 9780323765367 Edition: Unknown

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