Peripheral nerve blocks MCQs

By: Prof. Dr. Fazal Rehman Shamil | Last updated: September 13, 2024

Peripheral Nerve Blocks MCQs

1. What is the primary purpose of a peripheral nerve block?
   a) To provide general anesthesia
   b) To provide localized anesthesia for a specific region
   c) To achieve sedation
   d) To induce muscle relaxationAnswer: b) To provide localized anesthesia for a specific region
2. Which of the following is an example of a peripheral nerve block used for upper extremity surgery?
   a) Femoral nerve block
   b) Sciatic nerve block
   c) Brachial plexus block
   d) Spinal blockAnswer: c) Brachial plexus block
3. What is the primary anatomical target for a femoral nerve block?
   a) Femoral artery
   b) Femoral vein
   c) Femoral nerve
   d) Femoral headAnswer: c) Femoral nerve
4. Which of the following is a common complication of peripheral nerve blocks?
   a) Hypotension
   b) Hematoma
   c) Seizures
   d) Respiratory depressionAnswer: b) Hematoma
5. What is the main advantage of using a peripheral nerve block over general anesthesia?
   a) Shorter recovery time
   b) Greater muscle relaxation
   c) Reduced risk of respiratory complications
   d) Longer duration of anesthesiaAnswer: c) Reduced risk of respiratory complications
6. Which peripheral nerve block is commonly used for lower limb surgeries?
   a) Intercostal nerve block
   b) Sciatic nerve block
   c) Brachial plexus block
   d) Interscalene blockAnswer: b) Sciatic nerve block
7. What is the primary local anesthetic agent used in peripheral nerve blocks?
   a) Lidocaine
   b) Bupivacaine
   c) Ropivacaine
   d) PropofolAnswer: b) Bupivacaine
8. Which peripheral nerve block is often used for anesthesia during hand and forearm procedures?
   a) Axillary nerve block
   b) Femoral nerve block
   c) Sciatic nerve block
   d) Subarachnoid blockAnswer: a) Axillary nerve block
9. What is a common approach to enhance the effectiveness of a peripheral nerve block?
   a) Increasing the volume of anesthetic
   b) Using a combination of local anesthetics
   c) Decreasing the injection speed
   d) Administering general anesthesia concurrentlyAnswer: b) Using a combination of local anesthetics
10. Which of the following is NOT a common technique for performing peripheral nerve blocks?
    a) Ultrasound-guided block
    b) Landmark-based block
    c) Fluoroscopy-guided block
    d) MRI-guided blockAnswer: d) MRI-guided block
11. What is a common complication of the sciatic nerve block?
    a) Urinary retention
    b) Nausea
    c) Foot drop
    d) HemorrhageAnswer: c) Foot drop
12. In which position is the patient usually placed for an axillary nerve block?
    a) Supine
    b) Prone
    c) Lateral
    d) SittingAnswer: a) Supine
13. What is a common indication for performing an interscalene block?
    a) Foot surgery
    b) Hand surgery
    c) Shoulder surgery
    d) Abdominal surgeryAnswer: c) Shoulder surgery
14. Which of the following is a potential adverse effect of using high doses of local anesthetics in peripheral nerve blocks?
    a) Localized swelling
    b) Allergic reaction
    c) Systemic toxicity
    d) Injection site infectionAnswer: c) Systemic toxicity
15. What is the primary goal of performing a nerve block before surgery?
    a) To provide pain relief during and after surgery
    b) To induce sleep
    c) To enhance muscle relaxation
    d) To prevent surgical site infectionAnswer: a) To provide pain relief during and after surgery
16. Which technique can be used to confirm the placement of a needle for a peripheral nerve block?
    a) Aspiration of cerebrospinal fluid
    b) Injection of a small test dose
    c) Fluoroscopy
    d) Blood pressure measurementAnswer: b) Injection of a small test dose
17. Which local anesthetic has a longer duration of action and is often used for major procedures?
    a) Lidocaine
    b) Mepivacaine
    c) Ropivacaine
    d) BupivacaineAnswer: d) Bupivacaine
18. What is a common sign of successful regional anesthesia in a peripheral nerve block?
    a) Increased blood pressure
    b) Loss of motor function
    c) Loss of sensory function
    d) Increased heart rateAnswer: c) Loss of sensory function
19. Which peripheral nerve block technique is commonly used for foot and ankle surgery?
    a) Femoral nerve block
    b) Sciatic nerve block
    c) Interscalene block
    d) Popliteal blockAnswer: d) Popliteal block
20. What is the primary benefit of using ultrasound guidance for peripheral nerve blocks?
    a) Enhanced patient comfort
    b) Increased risk of nerve injury
    c) Improved accuracy and reduced complications
    d) Faster onset of anesthesiaAnswer: c) Improved accuracy and reduced complications
21. Which peripheral nerve block involves injecting local anesthetic around the femoral nerve and its branches?
    a) Sciatic nerve block
    b) Femoral nerve block
    c) Axillary nerve block
    d) Popliteal nerve blockAnswer: b) Femoral nerve block
22. What is a common side effect of an interscalene block?
    a) Respiratory depression
    b) Hoarseness of voice
    c) Increased blood pressure
    d) NauseaAnswer: b) Hoarseness of voice
23. Which of the following is NOT typically used for assessing the effectiveness of a peripheral nerve block?
    a) Sensory testing
    b) Motor function testing
    c) Blood glucose levels
    d) Pain assessmentAnswer: c) Blood glucose levels
24. What is the typical onset time for local anesthesia when performing a peripheral nerve block?
    a) Immediate
    b) 5-10 minutes
    c) 15-30 minutes
    d) 1 hourAnswer: b) 5-10 minutes
25. Which peripheral nerve block technique is preferred for abdominal surgeries?
    a) Brachial plexus block
    b) Femoral nerve block
    c) Paravertebral block
    d) Sciatic nerve blockAnswer: c) Paravertebral block
26. What is the primary risk of performing a nerve block without proper anatomical knowledge?
    a) Nausea
    b) Infection
    c) Nerve injury
    d) HypotensionAnswer: c) Nerve injury
27. Which technique is used to minimize the risk of systemic toxicity in peripheral nerve blocks?
    a) Using a large volume of anesthetic
    b) Using a single, high-dose injection
    c) Performing continuous monitoring and aspiration
    d) Avoiding ultrasound guidanceAnswer: c) Performing continuous monitoring and aspiration
28. Which local anesthetic is preferred for its rapid onset and moderate duration of action?
    a) Lidocaine
    b) Bupivacaine
    c) Ropivacaine
    d) MepivacaineAnswer: a) Lidocaine
29. What is the main anatomical landmark used for a popliteal nerve block?
    a) Greater sciatic notch
    b) Popliteal fossa
    c) Femoral triangle
    d) Axillary spaceAnswer: b) Popliteal fossa
30. What is the primary concern when administering a nerve block near major blood vessels?
    a) Infection
    b) Hematoma
    c) Allergic reaction
    d) SedationAnswer: b) Hematoma
31. Which block is commonly used for a total knee replacement procedure?
    a) Sciatic nerve block
    b) Femoral nerve block
    c) Axillary nerve block
    d) Interscalene blockAnswer: b) Femoral nerve block
32. What is the recommended position for a patient undergoing a femoral nerve block?
    a) Prone
    b) Supine with the leg extended
    c) Sitting upright
    d) Lateral decubitusAnswer: b) Supine with the leg extended
33. Which local anesthetic is known for its low potential for systemic toxicity and is often used in outpatient procedures?
    a) Ropivacaine
    b) Lidocaine
    c) Bupivacaine
    d) MepivacaineAnswer: b) Lidocaine
34. What is the primary goal of performing a continuous peripheral nerve block?
    a) To provide long-term pain relief
    b) To induce general anesthesia
    c) To enhance muscle relaxation
    d) To reduce surgical timeAnswer: a) To provide long-term pain relief
35. Which of the following is a contraindication for performing a peripheral nerve block?
    a) Patient allergy to local anesthetics
    b) Active infection at the injection site
    c) Coagulopathy
    d) All of the aboveAnswer: d) All of the above
36. Which of the following techniques can help improve the safety of peripheral nerve blocks?
    a) Use of sedation
    b) Use of larger gauge needles
    c) Use of real-time imaging guidance
    d) Administering higher doses of anestheticAnswer: c) Use of real-time imaging guidance
37. What is a typical method used to confirm a successful brachial plexus block?
    a) Observing the patient’s respiratory rate
    b) Monitoring the patient’s heart rate
    c) Testing motor and sensory function in the arm
    d) Measuring blood pressureAnswer: c) Testing motor and sensory function in the arm
38. Which nerve block technique is associated with a risk of pneumothorax?
    a) Femoral nerve block
    b) Sciatic nerve block
    c) Interscalene block
    d) Popliteal blockAnswer: c) Interscalene block
39. What is the advantage of using a peripheral nerve block for postoperative pain management?
    a) Decreased need for opioid analgesics
    b) Increased duration of surgery
    c) Enhanced patient sedation
    d) Faster recovery from anesthesiaAnswer: a) Decreased need for opioid analgesics
40. Which type of block is used to provide anesthesia for the anterior abdominal wall?
    a) Femoral nerve block
    b) Paravertebral block
    c) Transversus abdominis plane (TAP) block
    d) Sciatic nerve blockAnswer: c) Transversus abdominis plane (TAP) block
41. What is a potential side effect of administering local anesthetics in high doses during a peripheral nerve block?
    a) Hyperthermia
    b) Hypotension
    c) Hyperglycemia
    d) BradycardiaAnswer: b) Hypotension
42. Which peripheral nerve block is often used to manage pain during hip surgery?
    a) Sciatic nerve block
    b) Femoral nerve block
    c) Interscalene block
    d) Axillary nerve blockAnswer: b) Femoral nerve block
43. What is the recommended dose range for lidocaine in a single peripheral nerve block injection?
    a) 10-20 mg
    b) 30-50 mg
    c) 50-100 mg
    d) 100-200 mgAnswer: c) 50-100 mg
44. Which peripheral nerve block is generally performed using the transversus abdominis plane (TAP) approach?
    a) Sciatic nerve block
    b) Femoral nerve block
    c) Paravertebral block
    d) TAP blockAnswer: d) TAP block
45. What is the typical volume of local anesthetic used in a sciatic nerve block?
    a) 5-10 mL
    b) 10-15 mL
    c) 15-20 mL
    d) 20-30 mLAnswer: b) 10-15 mL
46. Which of the following blocks is often used for analgesia during cesarean section?
    a) Brachial plexus block
    b) Paravertebral block
    c) Epidural block
    d) Femoral nerve blockAnswer: c) Epidural block
47. What is the major advantage of continuous peripheral nerve blocks over single-shot blocks?
    a) Decreased risk of infection
    b) Longer duration of pain relief
    c) Easier to administer
    d) Higher dose of anestheticAnswer: b) Longer duration of pain relief
48. Which type of peripheral nerve block is typically used for shoulder surgery?
    a) Sciatic nerve block
    b) Axillary nerve block
    c) Interscalene block
    d) Femoral nerve blockAnswer: c) Interscalene block
49. Which of the following local anesthetics is least likely to cause systemic toxicity?
    a) Bupivacaine
    b) Lidocaine
    c) Ropivacaine
    d) MepivacaineAnswer: c) Ropivacaine
50. What is the key benefit of using an ultrasound-guided technique for peripheral nerve blocks?
    a) Increased patient sedation
    b) Reduced incidence of nerve injury
    c) Decreased duration of anesthesia
    d) Reduced need for local anestheticsAnswer: b) Reduced incidence of nerve injury

Topic-wise Anesthesia MCQs

1. Anesthesiology MCQs
2. Anesthesia Basics:
   • Levels of sedation and anesthesia MCQs
   • Stages of anesthesia MCQs
3. Anesthesia Agents MCQs:
   • Inhaled anesthetics MCQs
   • Intravenous anesthetics MCQs
   • Neuromuscular blocking agents MCQs
   • Local anesthetics MCQs
4. Airway Management:
   • Endotracheal intubation MCQs – Anesthesia
   • Supraglottic airway devices MCQs – Anesthesia
   • Video laryngoscopy MCQs – Anesthesia
   • Difficult airway management MCQs – Anesthesia
5. Anesthesia Monitoring MCQs – Anesthesia:
   • Hemodynamic monitoring MCQs – Anesthesia
   • Pulse oximetry MCQs – Anesthesia
   • Capnography MCQs – Anesthesia
   • Temperature monitoring MCQs – Anesthesia
6. Regional Anesthesia MCQs :
   • Epidural anesthesia MCQs
   • Spinal anesthesia MCQs
   • Peripheral nerve blocks MCQs
7. Patient Assessment and Optimization:
   • Pre-operative assessment MCQs – Anesthesia
   • Patient history and physical examination MCQs – Anesthesia
   • Risk assessment and optimization MCQs – Anesthesia
8. Anesthesia Delivery Systems MCQs:
   • Inhalation anesthesia machines MCQs – Anesthesia
   • Intravenous anesthesia techniques MCQs – Anesthesia
9. Pediatric Anesthesia MCQs :
   • Considerations for anesthesia in pediatric patients MCQs – Anesthesia
   • Pediatric airway management MCQs – Anesthesia
   • Pediatric drug dosages MCQs – Anesthesia
10. Obstetric Anesthesia MCQs – Anesthesia:
    • Anesthesia for labor and delivery MCQs
    • Epidural analgesia in obstetrics MCQs – Anesthesia
    • Anesthetic considerations for cesarean section
11. Anesthesia Complications and Emergencies MCQs:
    • Malignant hyperthermia MCQs – Anesthesia
    • Anaphylaxis MCQs – Anesthesia
    • Cardiac arrest during anesthesia MCQs – Anesthesia
12. Post-Anesthesia Care MCQs:
    • Recovery room management MCQs – Anesthesia
    • Pain management strategies MCQs – Anesthesia
    • Post-operative complications related to anesthesia MCQs
13. Geriatric Anesthesia:
    • Considerations for anesthesia in elderly patients MCQs – Anesthesia
    • Geriatric pharmacology MCQs – Anesthesia
    • Management of common comorbidities MCQs – Anesthesia
14. Ethics and Professionalism in Anesthesia MCQs:
    • Informed consent MCQs – Anesthesia
    • Patient autonomy MCQs – Anesthesia
    • Professional conduct and communication MCQs – Anesthesia
15. Simulation and Skills Training MCQs :
    • Hands-on training in airway management and procedures MCQs – Anesthesia
    • Simulation exercises for crisis management MCQs – Anesthesia