TEST BANK FOR RADIOLOGIC SCIENCE FOR TECHN
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OLOGISTS 13TH EDITION BY BUSHONG AND SHIELD
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S |ALL CHAPTERS | QUESTIONS & 100% VERIFIED ANS
P P P P P P P P
WERS AND RATIONALES | GRADED A+
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,CHAPTER 1: INTRODUCTION TO RADIOLOGIC SCIENCE P P P P P
1. Which of the following best describes the primary purpose of diagnostic r
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adiography?
A. To treat diseases using ionizing radiation
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B. To produce images of internal structures for diagnosis
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C. To monitor patient vital signs
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D. To sterilize medical equipment
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Answer: B P
Rationale: Diagnostic radiography’s main purpose is to produce images of internal
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body structures, allowing physicians to detect and diagnose abnormalities. Options
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A, C, and D are unrelated to diagnostic imaging.
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2. What is the primary source of ionizing radiation in medical imaging?
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A. MRI scanner P
B. X-ray tube P
C. Ultrasound transducer P
D. PET scanner P
Answer: B P
Rationale: The X- P P
ray tube generates ionizing radiation used in diagnostic radiography. MRI and ultr
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asound use non- P P
ionizing energy, while PET uses radioactive tracers rather than producing radiatio
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n in a tube.
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3. How does the ALARA principle guide radiologic practice?
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A. Maximizing image quality regardless of dose P P P P P
B. Minimizing radiation exposure while achieving diagnostic quality
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C. Limiting patient interaction to reduce infection
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D. Increasing exposure time for better penetration P P P P P
Answer: B P
Rationale: ALARA (“As Low As Reasonably Achievable”) ensures patient and st
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aff receive the minimum radiation dose necessary for diagnostic-quality images.
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,4. A radiologic technologist is preparing to image a patient with a suspected f
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racture. Which safety measure is most important?
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A. Using the fastest imaging speed
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B. Ensuring proper patient shielding and positioning
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C. Increasing exposure to reduce repeat images P P P P P
D. Allowing the patient to move during imaging P P P P P P
Answer: B P
Rationale: Proper shielding and positioning minimize unnecessary exposure and pro
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tect radiosensitive tissues. Options A, C, and D can increase radiation risk or degrad
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e image quality.
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5. Scenario: A 45-year- P P
old patient expresses concern about radiation exposure. How should the technol
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ogist respond? P
A. Ignore their concerns; radiation is safe
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B. Explain that dose is minimized and benefits outweigh risks
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C. Refuse to perform the exam P P P P
D. Increase exposure to ensure better images
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Answer: B P
Rationale: Patients should be informed about the low dose and the diagnostic bene
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fits, reducing anxiety and promoting informed consent.
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6. Which professional organization establishes standards for radiologic
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technologists?
A. WHO
B. ASRT
C. FDA
D. CDC
Answer: B P
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
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ntrol, WHO on global health.
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, 7. Which imaging modality does not use ionizing radiation?
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A. CT scan
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B. MRI
C. X-ray
D. Fluoroscopy
Answer: B P
Rationale: MRI uses magnetic fields and radio waves, which are non-
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ionizing. CT, X-ray, and fluoroscopy all use ionizing radiation.
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8. What is the most radiosensitive tissue in the human body?
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A. Muscle
B. Skin
C. Bone marrow
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D. Cartilage
Answer: C P
Rationale: Bone marrow contains rapidly dividing cells, making it highly sensitive t
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o ionizing radiation. Muscle, skin, and cartilage are less sensitive.
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9. Which factor primarily affects the quality of an X-ray image?
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A. Patient diet P
B. Tube voltage and current
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C. Room temperature
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D. Technologist height P
Answer: B P
Rationale: Tube voltage (kVp) and current (mA) control X-
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ray energy and photon quantity, directly affecting image quality.
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10. How often should radiologic equipment be tested for quality assurance?
P P P P P P P P P
A. Daily
B. Monthly
C. Annually
D. Only when malfunction occurs
P P P
P P P P P P
OLOGISTS 13TH EDITION BY BUSHONG AND SHIELD
P P P P P P
S |ALL CHAPTERS | QUESTIONS & 100% VERIFIED ANS
P P P P P P P P
WERS AND RATIONALES | GRADED A+
P P P P P
,CHAPTER 1: INTRODUCTION TO RADIOLOGIC SCIENCE P P P P P
1. Which of the following best describes the primary purpose of diagnostic r
P P P P P P P P P P P
adiography?
A. To treat diseases using ionizing radiation
P P P P P
B. To produce images of internal structures for diagnosis
P P P P P P P
C. To monitor patient vital signs
P P P P
D. To sterilize medical equipment
P P P
Answer: B P
Rationale: Diagnostic radiography’s main purpose is to produce images of internal
P P P P P P P P P P P
body structures, allowing physicians to detect and diagnose abnormalities. Options
P P P P P P P P P P
A, C, and D are unrelated to diagnostic imaging.
P P P P P P P P
2. What is the primary source of ionizing radiation in medical imaging?
P P P P P P P P P P
A. MRI scanner P
B. X-ray tube P
C. Ultrasound transducer P
D. PET scanner P
Answer: B P
Rationale: The X- P P
ray tube generates ionizing radiation used in diagnostic radiography. MRI and ultr
P P P P P P P P P P P
asound use non- P P
ionizing energy, while PET uses radioactive tracers rather than producing radiatio
P P P P P P P P P P
n in a tube.
P P P
3. How does the ALARA principle guide radiologic practice?
P P P P P P P
A. Maximizing image quality regardless of dose P P P P P
B. Minimizing radiation exposure while achieving diagnostic quality
P P P P P P
C. Limiting patient interaction to reduce infection
P P P P P
D. Increasing exposure time for better penetration P P P P P
Answer: B P
Rationale: ALARA (“As Low As Reasonably Achievable”) ensures patient and st
P P P P P P P P P P
aff receive the minimum radiation dose necessary for diagnostic-quality images.
P P P P P P P P P
,4. A radiologic technologist is preparing to image a patient with a suspected f
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racture. Which safety measure is most important?
P P P P P P
A. Using the fastest imaging speed
P P P P
B. Ensuring proper patient shielding and positioning
P P P P P
C. Increasing exposure to reduce repeat images P P P P P
D. Allowing the patient to move during imaging P P P P P P
Answer: B P
Rationale: Proper shielding and positioning minimize unnecessary exposure and pro
P P P P P P P P P
tect radiosensitive tissues. Options A, C, and D can increase radiation risk or degrad
P P P P P P P P P P P P P
e image quality.
P P
5. Scenario: A 45-year- P P
old patient expresses concern about radiation exposure. How should the technol
P P P P P P P P P P
ogist respond? P
A. Ignore their concerns; radiation is safe
P P P P P
B. Explain that dose is minimized and benefits outweigh risks
P P P P P P P P
C. Refuse to perform the exam P P P P
D. Increase exposure to ensure better images
P P P P P
Answer: B P
Rationale: Patients should be informed about the low dose and the diagnostic bene
P P P P P P P P P P P P
fits, reducing anxiety and promoting informed consent.
P P P P P P
6. Which professional organization establishes standards for radiologic
P P P P P P P
technologists?
A. WHO
B. ASRT
C. FDA
D. CDC
Answer: B P
Rationale: The American Society of Radiologic Technologists (ASRT) sets educatio
P P P P P P P P P
nal and professional standards. FDA regulates equipment, CDC focuses on infection co
P P P P P P P P P P P
ntrol, WHO on global health.
P P P P
, 7. Which imaging modality does not use ionizing radiation?
P P P P P P P
A. CT scan
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B. MRI
C. X-ray
D. Fluoroscopy
Answer: B P
Rationale: MRI uses magnetic fields and radio waves, which are non-
P P P P P P P P P P
ionizing. CT, X-ray, and fluoroscopy all use ionizing radiation.
P P P P P P P P
8. What is the most radiosensitive tissue in the human body?
P P P P P P P P P
A. Muscle
B. Skin
C. Bone marrow
P
D. Cartilage
Answer: C P
Rationale: Bone marrow contains rapidly dividing cells, making it highly sensitive t
P P P P P P P P P P P
o ionizing radiation. Muscle, skin, and cartilage are less sensitive.
P P P P P P P P P
9. Which factor primarily affects the quality of an X-ray image?
P P P P P P P P P
A. Patient diet P
B. Tube voltage and current
P P P
C. Room temperature
P
D. Technologist height P
Answer: B P
Rationale: Tube voltage (kVp) and current (mA) control X-
P P P P P P P P
ray energy and photon quantity, directly affecting image quality.
P P P P P P P P
10. How often should radiologic equipment be tested for quality assurance?
P P P P P P P P P
A. Daily
B. Monthly
C. Annually
D. Only when malfunction occurs
P P P
