1. What is the primary purpose of placing a stent in a blood vessel?
A) To provide temporary support
B) To keep the vessel open and maintain blood flow
C) To administer medication
D) To perform imaging
Answer: B) To keep the vessel open and maintain blood flow
2. Which imaging modality is commonly used to guide the placement of a coronary stent?
A) MRI
B) Fluoroscopy
C) Ultrasound
D) CT scan
Answer: B) Fluoroscopy
3. What is the typical procedure used to insert a stent into a coronary artery?
A) Percutaneous coronary intervention (PCI)
B) Endoscopic surgery
C) Open-heart surgery
D) Balloon angioplasty
Answer: A) Percutaneous coronary intervention (PCI)
4. What type of stent is designed to release medication to prevent restenosis?
A) Drug-eluting stent
B) Bare-metal stent
C) Biodegradable stent
D) Expandable stent
Answer: A) Drug-eluting stent
5. Which type of stent is commonly used in the treatment of peripheral artery disease?
A) Self-expanding stent
B) Balloon-expandable stent
C) Biodegradable stent
D) Coiled stent
Answer: A) Self-expanding stent
6. What is the common complication associated with stent placement in the coronary arteries?
A) Restenosis
B) Pneumothorax
C) Infection
D) Bleeding
Answer: A) Restenosis
7. What is the purpose of a balloon angioplasty in conjunction with stent placement?
A) To expand the artery before stent insertion
B) To remove plaque
C) To administer contrast agents
D) To measure blood flow
Answer: A) To expand the artery before stent insertion
8. Which type of stent is often used for temporary vascular support?
A) Temporary stent
B) Permanent stent
C) Drug-eluting stent
D) Self-expanding stent
Answer: A) Temporary stent
9. What is a common imaging technique used to visualize stent placement after insertion?
A) MRI
B) CT angiography
C) Ultrasound
D) PET scan
Answer: B) CT angiography
10. What is the primary risk factor for stent thrombosis?
A) Inadequate antiplatelet therapy
B) Contrast reaction
C) Device malfunction
D) Infection
Answer: A) Inadequate antiplatelet therapy
11. Which type of stent is used to treat aortic aneurysms?
A) Endovascular stent
B) Coronary stent
C) Urological stent
D) Gastrointestinal stent
Answer: A) Endovascular stent
12. What is a common method for assessing the success of stent placement?
A) MRI
B) Post-procedure angiography
C) Ultrasound
D) CT scan
Answer: B) Post-procedure angiography
13. What type of stent is used to manage ureteral obstruction?
A) Endovascular stent
B) Ureteral stent
C) Coronary stent
D) Gastrostomy stent
Answer: B) Ureteral stent
14. What is the key feature of a drug-eluting stent compared to a bare-metal stent?
A) Releases medication to prevent restenosis
B) Is made from different material
C) Is larger in size
D) Is used only temporarily
Answer: A) Releases medication to prevent restenosis
15. What is the typical material used in the construction of most stents?
A) Stainless steel
B) Plastic
C) Wood
D) Ceramic
Answer: A) Stainless steel
16. Which stent type is designed to dissolve over time?
A) Biodegradable stent
B) Permanent stent
C) Drug-eluting stent
D) Bare-metal stent
Answer: A) Biodegradable stent
17. What is the common follow-up procedure after stent placement?
A) Regular angiography
B) Immediate surgical intervention
C) MRI
D) Contrast-enhanced ultrasound
Answer: A) Regular angiography
18. What type of stent is used for treating intracranial aneurysms?
A) Coronary stent
B) Intracranial stent
C) Ureteral stent
D) Endovascular stent
Answer: B) Intracranial stent
19. What is the primary reason for performing a pre-stent angioplasty?
A) To deliver medications
B) To prepare the artery for stent placement
C) To measure blood pressure
D) To assess heart function
Answer: B) To prepare the artery for stent placement
20. What imaging technique is used to evaluate the patency of a stent after placement?
A) MRI
B) Fluoroscopy
C) PET scan
D) Endoscopy
Answer: B) Fluoroscopy
21. What is the purpose of a balloon-expandable stent?
A) To be expanded by a balloon to fit the vessel
B) To be pre-expanded
C) To dissolve over time
D) To release medication
Answer: A) To be expanded by a balloon to fit the vessel
22. What is the primary use of a stent in the gastrointestinal tract?
A) To manage obstructions or strictures
B) To administer nutrients
C) To measure digestive enzymes
D) To perform biopsies
Answer: A) To manage obstructions or strictures
23. What is the typical size range for coronary stents?
A) 1-2 mm
B) 2-4 mm
C) 4-6 mm
D) 6-8 mm
Answer: B) 2-4 mm
24. What is the main goal of using a self-expanding stent?
A) To deliver medication
B) To automatically adjust to the vessel diameter
C) To be used temporarily
D) To be inserted without imaging
Answer: B) To automatically adjust to the vessel diameter
25. What is a common complication following stent placement?
A) Restenosis
B) Contrast leakage
C) Device malfunction
D) Infection
Answer: A) Restenosis
26. Which stent is commonly used to treat coronary artery disease?
A) Ureteral stent
B) Drug-eluting stent
C) Gastrostomy stent
D) Endovascular stent
Answer: B) Drug-eluting stent
27. What is the primary reason for placing a stent in a peripheral artery?
A) To restore proper blood flow
B) To measure blood pressure
C) To administer medication
D) To remove plaque
Answer: A) To restore proper blood flow
28. Which technique is used to ensure the correct placement of a stent in the aorta?
A) MRI
B) Fluoroscopy
C) CT scan
D) PET scan
Answer: B) Fluoroscopy
29. What is the purpose of a guidewire in stent placement?
A) To measure blood flow
B) To help guide the stent to the correct location
C) To administer medication
D) To provide temporary support
Answer: B) To help guide the stent to the correct location
30. What type of stent is used for treating bile duct strictures?
A) Coronary stent
B) Biliary stent
C) Ureteral stent
D) Gastrostomy stent
Answer: B) Biliary stent
31. What is a common feature of self-expanding stents?
A) Expand automatically after deployment
B) Require external inflation
C) Are coated with medication
D) Are used only temporarily
Answer: A) Expand automatically after deployment
32. What is a common imaging method to visualize a stent in the gastrointestinal tract?
A) MRI
B) CT scan
C) Ultrasound
D) PET scan
Answer: B) CT scan
33. What is the typical duration for drug-eluting stents to release medication?
A) Several weeks to months
B) Several days
C) Several years
D) Permanent
Answer: A) Several weeks to months
34. Which type of stent is most suitable for use in the carotid artery?
A) Carotid stent
B) Ureteral stent
C) Gastrostomy stent
D) Peripheral stent
Answer: A) Carotid stent
35. What is the primary concern for patients with stents who require surgery?
A) Discontinuation of antiplatelet therapy
B) Stent migration
C) Infection
D) Contrast reaction
Answer: A) Discontinuation of antiplatelet therapy
36. What is the role of anticoagulants in patients with stents?
A) To promote clot formation
B) To prevent stent thrombosis
C) To enhance contrast visibility
D) To reduce blood pressure
Answer: B) To prevent stent thrombosis
37. What imaging technique is often used to check for stent patency?
A) MRI
B) CT angiography
C) Ultrasound
D) PET scan
Answer: B) CT angiography
38. What is the recommended follow-up care after stent placement?
A) Regular monitoring and imaging
B) Immediate surgical intervention
C) No special follow-up needed
D) Contrast injections
Answer: A) Regular monitoring and imaging
39. What is the purpose of using a stent in endovascular repair of an aneurysm?
A) To provide temporary support
B) To reinforce and stabilize the aneurysm
C) To administer medication
D) To measure blood flow
Answer: B) To reinforce and stabilize the aneurysm
40. What type of stent is designed to dissolve after fulfilling its purpose?
A) Permanent stent
B) Drug-eluting stent
C) Biodegradable stent
D) Self-expanding stent
Answer: C) Biodegradable stent
41. What is a typical complication of stent placement in the ureter?
A) Migration of the stent
B) Device malfunction
C) Infection
D) Contrast reaction
Answer: A) Migration of the stent
42. Which stent type is used for temporary vascular support during surgical procedures?
A) Drug-eluting stent
B) Biodegradable stent
C) Temporary stent
D) Permanent stent
Answer: C) Temporary stent
43. What is the role of imaging during stent placement in the carotid artery?
A) To administer medication
B) To measure blood pressure
C) To ensure accurate placement and deployment
D) To remove plaque
Answer: C) To ensure accurate placement and deployment
44. What is a critical factor for successful stent placement in the peripheral arteries?
A) Proper sizing of the stent
B) Medication dosage
C) Patient age
D) Use of contrast agents
Answer: A) Proper sizing of the stent
45. What is the advantage of a drug-eluting stent over a bare-metal stent?
A) Reduced risk of restenosis
B) Lower cost
C) Easier placement
D) Longer duration
Answer: A) Reduced risk of restenosis
46. What type of stent is used to manage complex coronary artery lesions?
A) Drug-eluting stent
B) Self-expanding stent
C) Temporary stent
D) Biodegradable stent
Answer: A) Drug-eluting stent
47. Which imaging modality provides real-time visualization during stent placement procedures?
A) MRI
B) Fluoroscopy
C) CT scan
D) Ultrasound
Answer: B) Fluoroscopy
48. What is the primary benefit of using a biodegradable stent?
A) Eliminates the need for removal
B) Reduces cost
C) Increases stent durability
D) Enhances contrast visibility
Answer: A) Eliminates the need for removal
49. What is the common method to verify stent position immediately after placement?
A) MRI
B) Post-procedure angiography
C) Ultrasound
D) PET scan
Answer: B) Post-procedure angiography
50. What is a critical consideration for patients with stents who are undergoing dental procedures?
A) Continuation of antiplatelet therapy
B) Stent size
C) Type of stent used
D) Frequency of imaging
Answer: A) Continuation of antiplatelet therapy
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