ABA ABA Regional & Neuraxial Anesthesia 2

Question 1

Epidural analgesia for labor uses which nerve roots as the PRIMARY target for pain relief during the first stage of labor?

Accepted Answer

T10-L1

Answer

S2-S4

Answer

L2-L4

Answer

T6-T10

Question 2

Which complication is associated with unintentional intravascular injection during an interscalene brachial plexus block?

Accepted Answer

Vertebral artery injection causing seizures

Answer

Pneumothorax only

Answer

Recurrent laryngeal nerve palsy only

Answer

Horner syndrome only

Question 3

Continuous epidural infusion for postoperative analgesia typically combines a local anesthetic with an opioid. The PRIMARY benefit of this combination is:

Accepted Answer

Reducing total opioid requirements with synergistic analgesia at lower individual drug doses

Answer

Allowing higher concentrations of local anesthetic without motor block

Answer

Eliminating the need for monitoring hemodynamics

Answer

Preventing urinary retention

Question 4

Horner syndrome (ptosis, miosis, anhidrosis) after a regional block indicates blockade of the:

Accepted Answer

Cervical sympathetic chain (stellate ganglion)

Answer

Vagus nerve

Answer

Phrenic nerve

Answer

Recurrent laryngeal nerve

Question 5

An absolute contraindication to neuraxial anesthesia is:

Accepted Answer

Patient refusal

Answer

Mild thrombocytopenia (platelet count 90,000)

Answer

Prior back surgery without hardware

Answer

Obesity

Question 6

The safest minimum time interval to perform neuraxial block after the LAST dose of low-molecular-weight heparin (LMWH) prophylaxis is:

Accepted Answer

12 hours

Answer

4 hours

Answer

8 hours

Answer

24 hours