1- What factors influence the duration of action of local anesthetics?
2- How does the onset of anesthesia proceed in a peripheral nerve block?
3- Which regional anesthetic blocks are associated with the greatest degree of systemic vascular absorption of local anesthetic?
4- Does central venous pressure relate to left ventricular preload?
5- What is cerebrovascular insufficiency?
6- Compare global ischemia with focal ischemia.