You are dispatched to a grocery store for a 39-year-old woman with a severe headache. The patient advises you that her headache, which was present when she woke up this morning, is located in the back of her head. She is conscious and alert, with a blood pressure of 194/112 mm Hg, pulse of 100 beats/min and strong, and respirations of 14 breaths/min and regular. She denies a history of hypertension or any other significant medical problems. The closest appropriate facility is located 15 miles away. You should:

A) administer supplemental oxygen, start an IV line of normal saline at a keep-open rate, and transport.
B) start an IV line of normal saline, give her 0.4 mg of sublingual nitroglycerin, and transport at once.
C) give high-flow oxygen, establish vascular access, begin transport, and administer labetalol en route.
D) administer oxygen as tolerated, give up to 5 mg of morphine IM, and transport promptly.

Answer: A) administer supplemental oxygen, start an IV line of normal saline at a keep-open rate, and transport.