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Which of the following local anesthetic agents has the shortest half-life?

Which of the following anesthetics has the shortest pulpal anesthesia duration?

Which of the following technique decreases systemic absorption of local anesthetic agents and therefore reduces the chance of toxicity.

Copalite is a varnish placed only under amalgams, but in restorative clinic we apply microprime under amalgam.

Vasoconstrictors are added to local anesthetics to increase duration, produce hemostasis, and _____________________________________?

Hematomas are caused more often by incorrect manipulation technique and rarely by spontaneous rupture of the vein.

 When hanging antibiotics to a primary line what kind of tubing is required? 

A nurse assesses a client who is receiving an intermittent I.V. infusion of vancomycin hydrochloride. The nurse notes that the I.V. site is cool, edematous, and taut. The nurse also observes pinkish blood return and fluid leaking from the insertion site. Based on this information, which condition should the nurse suspect?

 A nurse is instructed to add heparin to a client’s PN via central vein per a physician’s order. What is the purpose of adding heparin to a PN solution?

 Hepatic dysfunction may occur from excessive dextrose intake as a result of increased synthesis and fat storage in the liver?