Benzodiazepine toxicity

      What are the signs of benzodiazepine toxicity? How is it treated? How do local anesthetics work? Why are vasoconstrictors often used with local anesthetics? Why are local anesthetics with epinephrine not used near toes, fingers, noses, ears, or penis? Describe balanced anesthesia. What is the mechanism of action of inhaled anesthetics? Describe minimum alveolar concentration.