NCLEX style questions: Perfusion questions with correct answers

65-year-old client presents to the emergency department with a 3-day history of diarrhea and vomiting. The nurse notices that the client's pulse is 128 bpm. What is the most likely cause of the increased heart rate? A. Dehydration from loss of fluids B. The client's age C. Stress from being sick D. Effects of medications the client has taken - Answer A. Dehydration from loss of fluids A client has been diagnosed with borderline hypertension and is given a blood pressure monitor to take daily BP readings. What instructions would be appropriate for the nurse to give the client for taking home blood pressure? A. "Take blood pressure at different times every day to be sure it is not elevated at different times of the day." B. "Blood pressure should be taken before getting up in the morning, with the arm elevated over the level of the heart." C. "Rest for at least 5 minutes before taking blood pressure and at least 30 minutes after drinking caffeinated beverages." D. "Blood pressure readings will be erroneously high if the arm is above the level of the heart." - Answer C. "Rest for at least 5 minutes before taking blood pressure and at least 30 minutes after drinking caffeinated beverages." A 45-year-old client has been diagnosed with hypertension. Which modifiable risk factor would the nurse assess? A. Family History B. Age C. Stress D. Sex - Answer C. Stress