Fluoroscopy MCQs For Government Exam Practice :
Fluoroscopy is a medical imaging technique that uses X-rays to obtain real-time moving images of the internal structures of a patient. It's commonly used for procedures like catheter insertion, joint injections, and gastrointestinal studies.
- A. Dental cleanings
- B. Real-time medical imaging
- C. Blood pressure monitoring
- D. Bone density scans
Answer: B. Real-time medical imaging
2. Which imaging technique uses X-rays for continuous, dynamic imaging?
- A. MRI
- B. CT scan
- C. Fluoroscopy
- D. Ultrasound
Answer: C. Fluoroscopy
3. In which medical procedures is fluoroscopy commonly employed?
- A. Blood tests
- B. Eye exams
- C. Catheter insertion, joint injections, and gastrointestinal studies
- D. Hearing tests
Answer: C. Catheter insertion, joint injections, and gastrointestinal studies
4. What type of radiation is used in fluoroscopy?
- A. Gamma rays
- B. Ultraviolet rays
- C. X-rays
- D. Infrared rays
Answer: C. X-rays
5. What is the primary advantage of fluoroscopy in medical procedures?
- A. High-resolution static images
- B. Real-time visualization
- C. Low radiation exposure
- D. Non-invasive nature
Answer: B. Real-time visualization
6. Which body systems can be examined using fluoroscopy?
- A. Respiratory system
- B. Cardiovascular system
- C. Musculoskeletal system
- D. All of the above
Answer: D. All of the above
7. What is the role of contrast agents in fluoroscopy?
- A. Enhance image resolution
- B. Reduce radiation exposure
- C. Improve patient comfort
- D. Increase visibility of internal structures
Answer: D. Increase visibility of internal structures
8. How does fluoroscopy differ from traditional X-rays?
- A. It uses a higher dose of radiation
- B. It provides real-time imaging
- C. It involves no radiation exposure
- D. It captures only static images
Answer: B. It provides real-time imaging
9. What safety measures are typically taken during fluoroscopic procedures to minimize radiation exposure?
- A. Using lead aprons and shields
- B. Performing procedures in a well-ventilated room
- C. Minimizing fluoroscopy time
- D. All of the above
Answer: D. All of the above
10. Which medical professionals commonly use fluoroscopy in their practice?
- A. Cardiologists
- B. Radiologists
- C. Gastroenterologists
- D. All of the above
Answer: D. All of the above
11. What is the typical source of X-rays in fluoroscopy machines?
- A. Electromagnets
- B. Radioactive isotopes
- C. X-ray tube
- D. Lasers
Answer: C. X-ray tube
12. How does fluoroscopy contribute to the diagnosis of gastrointestinal issues?
- A. Detecting dental problems
- B. Monitoring blood pressure
- C. Visualizing the movement of the digestive tract
- D. Assessing lung function
Answer: C. Visualizing the movement of the digestive tract
13. What is the purpose of a collimator in fluoroscopy?
- A. Focuses X-rays on a specific area
- B. Measures radiation exposure
- C. Enhances image contrast
- D. Records patient history
Answer: A. Focuses X-rays on a specific area
14. How is fluoroscopy different from traditional radiography in terms of image acquisition?
- A. Fluoroscopy captures static images
- B. Radiography provides real-time imaging
- C. Fluoroscopy uses higher radiation doses
- D. Radiography is non-invasive
Answer: A. Fluoroscopy captures static images
15. What is the term for the recording of fluoroscopic images for later review?
- A. Radiography
- B. Cinéangiography
- C. Fluorography
- D. Radiology
Answer: B. Cinéangiography
16. In which medical field is mobile fluoroscopy commonly used for bedside procedures?
- A. Neurology
- B. Emergency medicine
- C. Dermatology
- D. Ophthalmology
Answer: B. Emergency medicine
17. What is the typical color of contrast agents used in fluoroscopy?
- A. Blue
- B. Red
- C. White
- D. Yellow
Answer: D. Yellow
18. What is the maximum recommended dose of radiation exposure for a fluoroscopic procedure?
- A. There is no recommended limit
- B. As high as necessary for clear images
- C. ALARA principle (As Low As Reasonably Achievable)
- D. Twice the standard X-ray dose
Answer: C. ALARA principle (As Low As Reasonably Achievable)
19. How does digital fluoroscopy differ from traditional fluoroscopy in terms of image storage?
- A. Digital fluoroscopy uses film
- B. Traditional fluoroscopy uses memory cards
- C. Digital fluoroscopy stores images electronically
- D. Traditional fluoroscopy relies on paper records
Answer: C. Digital fluoroscopy stores images electronically
20. What is the potential risk associated with the use of contrast agents in fluoroscopy?
- A. Allergic reactions
- B. Increased heart rate
- C. Improved image quality
- D. Reduced radiation exposure
Answer: A. Allergic reactions
21. What is the primary limitation of fluoroscopy compared to other imaging modalities?
- A. Lack of real-time imaging
- B. Limited depth penetration
- C. High radiation exposure
- D. Inability to capture static images
Answer: C. High radiation exposure
22. Which imaging technique is often combined with fluoroscopy to provide detailed anatomical information?
- A. Magnetic Resonance Imaging (MRI)
- B. Positron Emission Tomography (PET)
- C. Computed Tomography (CT)
- D. Ultrasound
Answer: C. Computed Tomography (CT)
23. What role does the fluoroscopy table play in medical procedures?
- A. Enhances patient comfort
- B. Provides a stable surface for the patient
- C. Focuses X-rays on specific areas
- D. Records patient history
Answer: B. Provides a stable surface for the patient
24. In which scenario would a cine loop be beneficial during a fluoroscopic procedure?
- A. Capturing a single static image
- B. Recording a sequence of images for motion analysis
- C. Enhancing contrast in the image
- D. Minimizing radiation exposure
Answer: B. Recording a sequence of images for motion analysis
25. What precaution should be taken for pregnant patients undergoing fluoroscopic procedures?
- A. No specific precautions needed
- B. Maximum radiation exposure allowed
- C. Lead shielding over the abdomen
- D. Avoiding fluoroscopy altogether
Answer: C. Lead shielding over the abdomen
26. How does a fluoroscopy machine control the amount of radiation delivered to the patient?
- A. Adjusting the patient's position
- B. Varying the X-ray tube current and voltage
- C. Changing the contrast agent color
- D. Using a higher dose for better images
Answer: B. Varying the X-ray tube current and voltage
27. Which type of contrast agent is commonly used in cardiovascular fluoroscopy?
- A. Barium sulfate
- B. Iodine-based contrast media
- C. Gadolinium
- D. Carbon dioxide
Answer: B. Iodine-based contrast media
28. What is the purpose of the fluoroscopy foot switch in the operating room?
- A. Adjusting image brightness
- B. Controlling the X-ray tube movement
- C. Activating the contrast agent injection
- D. Turning the machine on and off
Answer: B. Controlling the X-ray tube movement
29. Which statement about radiation dose in fluoroscopy is correct?
- A. Fluoroscopy always involves a lower radiation dose than X-rays.
- B. The radiation dose in fluoroscopy is constant and cannot be adjusted.
- C. It is essential to balance the benefits of the procedure with minimizing radiation exposure.
- D. Pregnant patients are recommended to receive the maximum radiation dose for better outcomes.
Answer: C. It is essential to balance the benefits of the procedure with minimizing radiation exposure.
30. What is the purpose of the image intensifier in fluoroscopy equipment?
- A. To focus X-rays on a specific area
- B. To convert X-rays into visible light
- C. To reduce radiation exposure
- D. To enhance image contrast
Answer: B. To convert X-rays into visible light
31. Which fluoroscopy application is commonly used for examining the biliary system?
- A. Gastrointestinal series
- B. Barium enema
- C. ERCP (Endoscopic Retrograde Cholangiopancreatography)
- D. Angiography
Answer: C. ERCP (Endoscopic Retrograde Cholangiopancreatography)
32. What is the significance of the acronym PACS in the context of fluoroscopy?
- A. Patient Appointment and Communication System
- B. Picture Archiving and Communication System
- C. Portable Anesthesia and Cardiovascular System
- D. Personalized Analysis of Contrast Studies
Answer: B. Picture Archiving and Communication System
33. What factor determines the image resolution in fluoroscopy?
- A. Patient's age
- B. Contrast agent temperature
- C. X-ray tube voltage
- D. Room lighting conditions
Answer: C. X-ray tube voltage
34. How does a digital subtraction angiography (DSA) differ from traditional angiography during fluoroscopy?
- A. DSA uses a lower dose of radiation
- B. DSA provides real-time imaging
- C. Traditional angiography uses a contrast agent
- D. Traditional angiography captures static images
Answer: B. DSA provides real-time imaging
35. What role does the collimation device play in fluoroscopy procedures?
- A. Enhances image contrast
- B. Focuses X-rays on a specific area
- C. Records patient history
- D. Measures radiation exposure
Answer: B. Focuses X-rays on a specific area
36. Why is it important to monitor the cumulative radiation dose during prolonged fluoroscopic procedures?
- A. To increase the radiation dose for better visualization
- B. To avoid interruptions in the procedure
- C. To assess patient comfort
- D. To minimize radiation-related risks
Answer: D. To minimize radiation-related risks
37. Which imaging modality is often used in conjunction with fluoroscopy for guidance during interventional procedures?
- A. Nuclear medicine
- B. Positron Emission Tomography (PET)
- C. Ultrasound
- D. Magnetic Resonance Imaging (MRI)
Answer: C. Ultrasound
38. What is the primary advantage of using carbon dioxide as a contrast agent in fluoroscopy?
- A. It enhances image quality
- B. It is radio-opaque
- C. It reduces the risk of allergic reactions
- D. It provides real-time imaging
Answer: C. It reduces the risk of allergic reactions
39. During a fluoroscopic exam, what does the term "fluoroscopy time" refer to?
- A. The time taken to develop X-ray films
- B. The duration of contrast agent injection
- C. The total time the X-ray beam is on during the procedure
- D. The time between consecutive fluoroscopy sessions
Answer: C. The total time the X-ray beam is on during the procedure
40.How can artifacts in fluoroscopic images affect diagnostic accuracy?
A. They improve image clarity
B. They have no impact on diagnosis
C. They may distort or obscure anatomical details
D. They enhance contrast
Answer: C. They may distort or obscure anatomical details
41. What is the purpose of the grid in fluoroscopy imaging?
- A. To reduce scattered radiation
- B. To increase radiation exposure
- C. To enhance contrast
- D. To stabilize the patient
Answer: A. To reduce scattered radiation
42. Which type of fluoroscopy system allows for 3D reconstruction of images?
- A. Conventional fluoroscopy
- B. Digital fluoroscopy
- C. Cone-beam computed tomography (CBCT)
- D. Mobile fluoroscopy
Answer: C. Cone-beam computed tomography (CBCT)
43. What is the purpose of pulsed fluoroscopy mode?
- A. To minimize radiation exposure
- B. To increase image resolution
- C. To speed up the procedure
- D. To enhance contrast agent visibility
Answer: A. To minimize radiation exposure
44. Which factor contributes to the development of radiation-induced skin injuries during fluoroscopic procedures?
- A. Low patient age
- B. Extended fluoroscopy time
- C. High room temperature
- D. Fast image acquisition
Answer: B. Extended fluoroscopy time
45. What role does the Automatic Brightness Control (ABC) play in fluoroscopy?
- A. Adjusting image brightness automatically
- B. Controlling patient movement
- C. Focusing X-rays on specific organs
- D. Measuring radiation exposure
Answer: A. Adjusting image brightness automatically
46. In gastrointestinal fluoroscopy, what is the purpose of using barium sulfate as a contrast agent?
- A. To increase radiation exposure
- B. To enhance image resolution
- C. To outline the digestive tract
- D. To reduce procedure time
Answer: C. To outline the digestive tract
47. What precaution is necessary when using lead aprons for radiation protection during fluoroscopy?
- A. Wearing the apron loosely
- B. Regularly washing the apron
- C. Ensuring the apron covers the entire body
- D. Using the apron only during breaks
Answer: C. Ensuring the apron covers the entire body
48. How does the use of image magnification in fluoroscopy affect radiation exposure?
- A. It decreases radiation exposure
- B. It increases radiation exposure
- C. It has no impact on radiation exposure
- D. It improves contrast agent visibility
Answer: B. It increases radiation exposure
49. What is the primary advantage of flat-panel detectors in digital fluoroscopy systems?
- A. Reduced patient discomfort
- B. Higher image resolution
- C. Longer fluoroscopy time
- D. Lower radiation dose
Answer: B. Higher image resolution
50. How does the use of a collimated beam contribute to radiation safety in fluoroscopy?
- A. It increases radiation exposure
- B. It minimizes scattered radiation
- C. It speeds up the procedure
- D. It reduces image contrast
Answer: B. It minimizes scattered radiation
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