Choose the injection technique(s) that require the clinician to aspirate 3 times.

It is safe to insert the needle to the hub, it is the strongest part of the needle.

Your patient tells you at the periodontal debridement appointment that she has liver disease. Which of the following anesthetic agents is the best choice to administer to this patient?

Which of the following are the landmarks for the ASA injection?

Which of the following is responsible for allergic reactions in ester anesthesia?

What is the recommended patient position when administering anesthetic?

Which of the following local anesthetic blocks requires the needle and syringe barrel angulation to be at 45 degrees within three separate planes during administration?

Which photo shows the correct angle for the PSA injection? A. anesthesia 7.jpg B. local anesthesia 8.jpg

Which of the following anesthetics is associated with methemoglobinemia?

Which injection might the patient feel a “lingual shock” or electric zing in tongue during injection?