<prompt> A 24-year-old woman has been unsuccessful becoming pregnant. She is admitted with abdominal pain; her blood pressure is 9060 mm Hg, her pulse rate is 102 beats per minute bpm, and her hematocrit HCT is 28. Features of ectopic pregnancy include which of the following?Elevated blood pressure on assuming an erect positionPulsus paradoxusTenderness below the right subcostal margin Murphys signPain referred to the supraclavicular region  <response>: Free bleeding in the peritoneal cavity results in pain referred to the right supraclavicular region due to diaphragmatic irritation. Patients who present with abdominal pain and usually a history of missed menstruation should undergo a pregnancy test after hospital admission. 