The most common drug identified in neonatal drug screening is:

Quadratus lumborum is deep posteriorly to:

a. Psoas major b. Gluteus minimus c. Erector spinae d. Iliacus

Which maxillary nerve block technique has the highest risk of hematoma formation?

A) High-tuberosity B) Greater palatine C) Extra oral approach D) Pterygopalatine canal