Anesthesia · single question
Which is LEAST likely to occur as a complication of local anesthesia?
Show answer and explanation
Correct answer: A. Infection
- A. Correct. With proper sterile technique, infection from an injection is very rare — the least likely of these.
- B. Trismus (from muscle/medial pterygoid trauma or hematoma) is a recognized complication.
- C. Hematoma (e.g., PSA block hitting the pterygoid plexus) is well known.
- D. Needle breakage, though uncommon, is a recognized complication (esp. with sudden movement / bent needles).