An anesthesiologist completes preoperative teaching for a patient the night before surgery. The patient asks the nurse to clarify the reason methohexital [Brevital] will be given as an adjunct to the anesthetic. Which statement by the patient indicates understanding?A. Brevital allows a larger amount of inhaled anesthetic to be used without increased side effects. B. Brevital is given to enhance the analgesic and muscle relaxation effects of the inhaled anesthetic. C. Brevital is used to produce rapid unconsciousness before administration of the inhaled anesthetic. D. Brevital is used to reduce cardiovascular and respiratory depression caused by the inhaled anesthetic.