Which of the following statements best describes the appropriate choice of needle for a local anesthetic injection?  Use this reference: lower gauge = 25, higher gauge = 30

What is the correct depth of needle insertion for the MSA injection?

What can be a cause of trismus?

If the patient has a frenum at the optimal penetration point, it is important to penetrate the needle into that frenum in order to get appropriate anesthesia.

The lingual nerve, generally anesthetized in conjunction with the IA, is anesthetized by advancing the needle deeper into the tissue.

What are the appropriate injection/s to give for full pulpal anesthesia of #14?

The maximum cardiac dose for 2% lidocaine with epinephrine is:

Which of the following are reasons to use a 25 gauge long needle for an IA nerve block?  (Choose all that apply)

Aspiration and slow delivery are two of the most important safety steps in the delivery of local anesthetic.

The angle of insertion for the PSA injection is ________ degrees to the maxillary occlusal table and the midsagittal planes.