Stent placements MCQs Radiology

By: Prof. Dr. Fazal Rehman Shamil | Last updated: September 14, 2024

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