Question 75 · LDEK · Anesthetic techniques
Indicate the correct statement concerning the extraoral technique of the inferior alveolar nerve block:
1) point of needle insertion is behind the posterior rim of the mandibular ramus, in the middle of its height;
2) needle should be inserted up to 4 cm;
3) direction of the needle advancement is the line connecting the angle of the mouth with the point of insertion;
4) nerve block is acquired by advancing the insertion by 1 cm;
5) additionally the posterior superior alveolar nerve block is achieved.
The correct answer is:
2) needle should be inserted up to 4 cm;
3) direction of the needle advancement is the line connecting the angle of the mouth with the point of insertion;
4) nerve block is acquired by advancing the insertion by 1 cm;
5) additionally the posterior superior alveolar nerve block is achieved.
The correct answer is:
- A. 1,3,4.
- B. 3,4,5.
- C. 1,2,4.
- D. 1,2,3.
- E. 2,4,5.
Hint
Picture the extraoral approach behind the ramus aimed toward the angle of the mouth; how deep is the foramen region and what lies just beyond it?
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