The nurse is providing education to a client who has been scheduled to receive spinal anesthesia. What anatomical location will the nurse identify as the site of administration? A) Mucous membrane B) Epidural space C) Nerve ganglion D) Lumbar region - D) Lumbar region Rationale: Spinal anesthesia involves injecting the anesthetic agent into the cerebrospinal fluid, usually in the lumbar spine. Epidural anesthesia involves the injection of an anesthetic into the epidural space. Nerve block anesthesia blocks a group of nerves, called a plexus or ganglion, to a specific area of the body. Topical anesthesia involves the application of a local anesthetic on the skin or mucous membranes. The induction of a local anesthetic would decrease the permeability of the nerve cell membrane to which element? A) Sodium B) Glucose C) Bicarbonate D) Phosphorus - A) Sodium Rationale: Local anesthetics decrease the permeability of the nerve cell membrane to ions, especially sodium. NCLEX: What medical diagnosis is likely to be managed with the daily administration of a 5% to 20% topical benzocaine solution? A) Psoriasis B) Hemorrhoids C) Stomatitis D) Chronic pain - B) Hemorrhoids Rationale: Application of the 5% to 20% topical solution of benzocaine relieves hemorrhoid pain. This solution is not indicated in the treatment of psoriasis, chronic pain, or stomatitis. Which medication used for lo