[Solved]: As the nurse providing care, your nurse assistant…

As the nurse providing care, your nurse assistant comes to you concerned regarding the vital signs of Ms. Rose. Her blood pressure has decreased by over 20 mmHg systolic. You ask the nurse assistant to return with you into the room to help reassess Ms. Rose. Ms. Rose is alert, and is as oriented as she has been since admission. Which of the following could cause such a variation in vital signs? (Select all that apply).