A 16-year-old patient was found to have a unicystic radiolucency in the body of the mandible between the roots of vital teeth nos. 28 and 29 . Thin parakeratinized epithelium was found lining the cystic space on biopsy. This is a(n):

You are attempting to assess the blood pressure of a 35-year-old male at the scene of a multiple vehicle collision. The scene is very noisy and you are unable to clearly hear the patient's heartbeat. You should:

A) have your partner try auscultating the blood pressure. B) use an automatic blood pressure machine. C) obtain the blood pressure by palpation. D) try using the patient's other arm.

In which of the following procedures is air embolism a potential complication? 1. Central line placement 2. Lung biopsy 3. Hemodialysis

a. 1 and 2 only b. 2 and 3 only c. 1 and 3 only d. 1, 2, and 3