How many milligrams of vasoconstrictor did you administer if you used a 1:100,000 concentration AND administered 3 cartridges?

Where is the insertion site for a posterior superior alveolar nerve block?

Mrs. Jones comes into the office for an extraction of tooth #15. She is 60 years old, weighs 150 lbs. and appears apprehensive. Her medical history reveals that she is being treated for high blood pressure. Her vital signs are: BP, 160/95; pulse, 87; resp.,22. Upon questioning she answers that she has difficulty breathing when she walks upstairs and with other mild exertion. You call her physician who recommends treatment with the necessary precautions. You select Lidocaine 2% 1:100,000 epinephrine to administer. Which injections would you administer her for the extraction?

Which of the following accurately describes aspiration? 1. performed prior to inserting the needle 2. performed prior to injecting the anesthetic solution 3. applying positive pressure to the thumb ring 4. applying negative pressure to the thumb ring

Unfortunately even with good technique hematomas do occur, but they occur especially with poor technique. Which of the following are/is the most accurate statement(s) related to this? 1. a hematoma is more of an embarrassment to the operator than a long term consequence to the patient 2. hematomas do not occur with inferior alveolar injections since there is more interstitial area to absorb the hemorrhage 3. certain injections have a greater risk of a hematoma than others 4. nicking of a blood vessel may result in a hematoma 5. trismus can be a secondary complication to a hematoma

Vasoconstrictors should be used in limited amounts for patients with which of the following conditions?

Lidocaine 2% 1:50,000 represents ________________ the amount of ___________________. PICK TWO CORRECT ANSWERS, ONE FOR EACH BLANK.

Eight hours following extensive root planing with anesthesia, your patient calls and complains of difficulty in opening her mouth. You deduce she is experiencing muscle trismus. Which of the following can prevent muscle trismus?

Mrs. Ferrari arrives 20 minutes late for her appointment. You reviewed her medical history and note no significant findings except she is very anxious. Her pulse is 80 beats/min. but vital signs are within normal limits. She is scheduled for root planing on tooth #2 and #30. You administer the injections to anesthetize both teeth. A few minutes later she seems nervous, complains of dizziness, faintness, weakness and nausea. Which of the following conditions has most likely occurred?

What is the approximate length of a long needle?