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Test bank For Radiation Safety and Radiobiology in Medical Imaging, 10th Edition (Mary Alice Statkiewicz Sherer & Paula J. Visconti) Questions with Answers & Explanations|| All 1-16 Chapters|| Complete Guide A+

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Test bank For Radiation Safety and Radiobiology in Medical Imaging, 10th Edition (Mary Alice Statkiewicz Sherer & Paula J. Visconti) Questions with Answers & Explanations|| All 1-16 Chapters|| Complete Guide A+

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Test bank For Radiation Safety and Radiobiology in Medical
m1 m1 m1 m1 m1 m1 m1 m1




m1 Imaging, 10th Edition (Mary Alice Statkiewicz Sherer & Paula
m1 m1 m1 m1 m1 m1 m1 m1




m1 J. Visconti) Questions with Answers & Explanations|| All 1-16
m1 m1 m1 m1 m1 m1 m1 m1




m1 Chapters|| Complete Guide A+
m1 m1 m1




Geniusexpert stuvia m1

,Test Bank: Radiation Protection in Medical Radiography
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(10th Edition)
m1 m1




Chapter 1: Introduction to Radiation Protection
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Consequences of Ionization in Human Cells m1 m1 m1 m1 m1




1: Which of the following is a consequence of ionization in human cells?
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A) Production of stable atoms
m1 m1 m1 m1




B) Creation of reactive free radicals capable of producing substances poisonous to the
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m1 cell
C) Decreased electron activity
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D) Prevention of new biologic molecule formation
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*Answer: B m1




Explanation:: Ionization in human cells creates unstable atoms, produces free electrons,
m1 m1 m1 m1 m1 m1 m1 m1 m1 m1




m1 generates low-energy x-ray photons, creates reactive free radicals that can produce
m1 m1 m1 m1 m1 m1 m1 m1 m1 m1




m1 cell-poisonous substances, creates detrimental new biologic molecules, and causes
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m1 injury that may manifest as abnormal or loss of function. These six consequences are
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m1 fundamental to understanding radiation-induced cellular damage.
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2: When ionizing radiation passes through matter, it produces:
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A) Neutrons and protons
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B) Positively and negatively charged particles (ions)
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C) Only positively charged particles
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D) Only negatively charged particles
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,*Answer: B m1




Explanation:: Ionizing radiation produces both positively and negatively charged particles
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m1 (ions) when passing through matter. These ions are the primary event that may cause
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m1 injury in normal biologic tissue, as the production of ions disrupts normal cellular
m1 m1 m1 m1 m1 m1 m1 m1 m1 m1 m1 m1




m1 function and structure.
m1 m1




3: The production of ions in human cells is significant because it:
m1 m1 m1 m1 m1 m1 m1 m1 m1 m1 m1




A) Enhances cellular reproduction
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B) May cause injury in normal biologic tissue
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C) Increases cellular metabolism
m1 m1 m1




D) Prevents genetic mutations
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*Answer: B m1




Explanation:: The production of ions is the event that may cause injury in normal
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m1 biologic tissue. This understanding forms the basis for radiation protection practices,
m1 m1 m1 m1 m1 m1 m1 m1 m1 m1




m1 as controlling ionization helps minimize potential cellular damage during imaging
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m1 procedures.




4: Radiologic technologists and radiologists minimize the possibility of causing damage
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m1 to healthy biologic tissue by:
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A) Increasing exposure time
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B) Using protective devices whenever possible
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C) Avoiding the use of technical exposure factors
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D) Standing close to the x-ray tube during exposures
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*Answer: B m1




Explanation:: Radiologic technologists and radiologists are educated in safe operation of
m1 m1 m1 m1 m1 m1 m1 m1 m1 m1

, m1 radiation-producing equipment, use protective devices whenever possible, follow
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m1 established procedures, and select technical exposure factors that significantly reduce
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m1 radiation exposure to patients and themselves. These good practices minimize the
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m1 possibility of causing damage to healthy biologic tissue.
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5: Which of the following best defines unnecessary radiation exposure?
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A) Any exposure that benefits the patient clinically
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B) Any exposure that does not benefit a person in terms of diagnostic information
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m1 needed for clinical management or does not enhance study quality
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C) Only exposure that exceeds 50 mSv per year
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D) Only exposure received from natural background sources
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*Answer: B m1




Explanation:: Unnecessary radiation exposure is defined as any radiation exposure that
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m1 does not benefit a person in terms of diagnostic information obtained for clinical
m1 m1 m1 m1 m1 m1 m1 m1 m1 m1 m1 m1




m1 management of medical needs or any radiation exposure that does not enhance the
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m1 quality of the study. This definition guides the ALARA principle in medical imaging.
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6: The ALARA principle stands for:
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A) As Long As Radiation is Avoidable
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B) As Low As Reasonably Achievable
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C) Always Limit Adult Radiation Amounts
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D) Annual License for Radiation Administration
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*Answer: B m1




Explanation:: ALARA is an acronym for "as low as reasonably achievable," which is
m1 m1 m1 m1 m1 m1 m1 m1 m1 m1 m1 m1




m1 synonymous with optimization for radiation protection (ORP). The intention behind
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