ABA ABA Regional Anesthesia and Pain Management

Question 1

Which nerve roots are primarily targeted in an interscalene brachial plexus block for shoulder surgery?

Accepted Answer

C5-C6 nerve roots

Answer

Musculocutaneous nerve only

Answer

Ulnar nerve

Answer

Median nerve

Question 2

What is the maximum recommended dose of plain bupivacaine for peripheral nerve blocks?

Accepted Answer

2 mg/kg

Answer

1 mg/kg

Answer

3 mg/kg

Answer

4 mg/kg

Question 3

Which complication is most specifically associated with interscalene brachial plexus blocks?

Accepted Answer

Pneumothorax

Answer

Hemothorax

Answer

Epidural spread

Answer

Femoral nerve palsy

Question 4

What is the first-line pharmacologic treatment for local anesthetic systemic toxicity (LAST)?

Accepted Answer

20% lipid emulsion IV

Answer

Epinephrine 1 mg IV

Answer

Sodium bicarbonate IV

Answer

Propofol IV

Question 5

Which regional technique is preferred for analgesia after total knee arthroplasty because it preserves quadriceps strength?

Accepted Answer

Adductor canal block

Answer

Femoral nerve block

Answer

Sciatic nerve block

Answer

Lumbar plexus block

Question 6

What does the standard epidural test dose typically contain to detect intravascular catheter placement?

Accepted Answer

3 mL of 1.5% lidocaine with 1:200,000 epinephrine

Answer

5 mL of 0.5% bupivacaine

Answer

2 mL of 2% lidocaine plain

Answer

10 mL of normal saline