a 30-year-old patient with a history of migraine headaches has called 911 for a suspected migraine headache. she says the headache follows her usual pattern of headaches, the pain is a 10/10, and she is nauseated. her vital signs are pulse, 108; respirations, 18 breaths/min; and blood pressure, 154/90 mmhg. which of these treatments is indicated in the c