WREB Study Guide Question and answers correctly solved 2023/2024

WREB Study Guide Question and answers correctly solved 2023/2024Local anesthesia depresses excitation in nerve endings or inhibiting the conduction of what nerves? - correct answer peripheral LA differed from other drugs in that most other drugs are absorbed in the blood stream but LA stop their action once absorbed where? - correct answer systemic circulation Why are vasoconstrictors added to LA? - correct answer decrease blood flow at injection site, constrict blood vessels and allows for a longer working time more profound anesthesia and less bleeding Why are additives and preservatives added to LA? - correct answer prolong the shelf life by using antioxidant properties What are two examples of additives and preservatives? - correct answer sodium bisulfite and sodium metasulfite Asthma patients are sensitive to what additive? - correct answer sulfites If a person is allergic to sodium bisulfite