CRNA Regional Anesthesia and Nerve Blocks 2

Question 1

The interscalene brachial plexus block is the preferred regional technique for surgery on which anatomical region?

Accepted Answer

Shoulder and proximal humerus

Answer

Hand and wrist

Answer

Elbow and proximal forearm

Answer

Lower arm and digits

Question 2

Which complication occurs in nearly 100% of interscalene brachial plexus blocks?

Accepted Answer

Ipsilateral phrenic nerve palsy

Answer

Pneumothorax

Answer

Ipsilateral Horner syndrome

Answer

Recurrent laryngeal nerve block

Question 3

The femoral nerve block provides sensory coverage primarily to which area?

Accepted Answer

Anterior and medial thigh, knee, and medial leg

Answer

Posterior thigh and popliteal fossa

Answer

Lateral thigh and lateral leg only

Answer

Entire lower extremity including the foot

Question 4

During an axillary brachial plexus block, which nerve most commonly requires a separate injection because it exits the neurovascular sheath proximal to the standard injection site?

Accepted Answer

Musculocutaneous nerve

Answer

Ulnar nerve

Answer

Radial nerve

Answer

Median nerve

Question 5

Which combination of nerve blocks provides comprehensive analgesia for an above-knee amputation?

Accepted Answer

Femoral and sciatic nerve blocks

Answer

Femoral nerve block alone

Answer

Sciatic nerve block alone

Answer

Femoral and lateral femoral cutaneous nerve blocks

Question 6

The transversus abdominis plane (TAP) block primarily targets which type of pain following abdominal surgery?

Accepted Answer

Somatic pain from the anterior abdominal wall

Answer

Deep visceral pain

Answer

Diaphragmatic referred shoulder pain

Answer

Retroperitoneal organ pain

Question 7

Which local anesthetic is preferred for continuous peripheral nerve block infusions due to its long duration, favorable sensory-motor differential, and lower cardiotoxicity?

Accepted Answer

Ropivacaine

Answer

Lidocaine

Answer

Mepivacaine

Answer

Tetracaine