Nr571 Midterm Questions Study Guide Questions And Correct Answers

The AGACNP is caring for a patient admitted to the ICU post coronary artery bypass graft (CABG). The patient has an intra-aortic balloon pump (IABP). The AGACNP explains to the patient's family that the IABP will: A.Increase rate and contractility of the heart B.Decrease afterload and augment diastolic aortic pressure C.Prevent blood clots from entering systemic circulation D.Reduce patient heart rate and blood pressure {Ans: Answer: B. Decrease afterload and augment diastolic aortic pressure An IABP is a mechanical circulatory support device that helps the heart by decreasing afterload and augments diastolic aortic pressure with resultant better perfusion to peripheral organs and improvement in coronary blood flow. IABP has no direct effect on the contractility or rate of the heart. Having a foreign body in a blood vessel increases the chance of thrombosis/blood clot. The IABP does not have direct impact on decreasing a patient's heart rate and blood pressure.}A 72-year-old patient with a history of CAD presents to the ER with unstable angina. TIMI score is 5. The nurse practitioner should expect which of the following is the next step in the care for this patient? A. Coronary angiography B. Coronary artery bypass grafting C. tPA D. Notifying