1. b A type of anesthesia achieved when the nerve endings in the skin and subcutaneous tissues are blocked by direct contact with a local anesthetic that is injected into the tissue. (para 4-1b)
2. c Local anesthetics block depolarization of the nerve membrane so that the conduction of the nerve impulse is impossible. (para 4-2)
3. d Hyaluronidase increases the movement of the local anesthetic through the tissue. (para 4-4)
5. a Large amounts of systemically absorbed local anesthetics can cause depression of the cardiovascular system. (para 4-6c)
10. b Used for topical anesthesia of the skin. (para 4-8b)
11. d Used to produce anesthesia in the eye. (para 4-7i)
12. b Used to produce infiltration, nerve block, and epidural anesthesia.
13. a The drug should not be applied topically. (para 4-7f)
Was this article helpful?