Name a common form of regional anesthesia.

Epidural anesthesia is a common form of regional anesthesia that involves the injection of anesthetic agents into the epidural space surrounding the spinal cord. This technique is particularly effective for providing targeted pain relief to specific regions of the body, such as during labor and delivery or surgeries involving the lower body. By blocking the transmission of pain signals from the nerves in that area, epidural anesthesia allows for greater comfort and can facilitate a more controlled surgical or labor experience.

Regional anesthesia, such as the epidural technique, is distinct from general anesthesia, which induces a state of unconsciousness and affects the entire body. Inhalation anesthesia involves the administration of anesthetic gases, which also differs from the localized effects of epidural anesthesia. Intravenous sedation, while providing sedation and pain relief, typically does not target a specific region of the body in the same way that regional anesthesia does. Therefore, epidural anesthesia stands out as a primary method within the category of regional anesthesia, making it the correct answer.