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hemodynamic.docx - Question 1 1 out of 1 points A...

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Question 1 1 out of 1 points A 45-year-old male is visiting the wellness clinic and has been newly diagnosed as a stage I hypertensive patient. His blood pressure assessment over the past 6 months has consistently been 145/92 mm Hg. The patient asks, “What is blood pressure?” What is the best response by the nurse? Selected Answer: “A measurement that takes into consideration the amount of blood your heart is pumping and the size of the vessel diameter the heart must pump against.” Answers: “A complex measurement that should be discussed only with your physician.” “A measurement that should be 120/80 mm Hg unless complications are present.” “A measurement that takes into consideration the amount of blood your heart is pumping and the size of the vessel diameter the heart must pump against.” “The amount of pressure exerted on the veins by the blood.” Response Feedback: The contractile force of the heart is the driving pump behind blood flow through the cardiovascular system. The ease of blood flow is a measurement of diameter of the vessel (resistance) and the volume and viscosity of blood through the cardiovascular circuit. It is within the scope of practice of a nurse to educate the patient about blood pressure. Blood pressure values may have a wide range dependent upon the pumping action of the heart, vessel diameter, and blood volume. Variations can be tolerated, but trends that remain high should be evaluated further. Blood pressure measurement is a reflection of pumping action of the heart, vessel diameter, and blood volume. Question 2 1 out of 1 points What is the best position for the nurse to place the patient in to obtain a right atrial pressure measurement? Selected Answer: Supine, either flat or with the head of the bed no more than 60 degrees
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Answers: Left side-lying with the head of the bed elevated 30 degrees Prone, lying on the abdomen with slight head elevation Right side-lying with the head of the bed elevated 30 degrees Supine, either flat or with the head of the bed no more than 60 degrees Response Feedback: Accurate assessment of a hemodynamic measure is best accomplished with the patient in a supine position with the head of the bed elevated slightly and no more than 60 degrees. The measurement can be obtained in the lateral position, but it is technically difficult because the patient must be positioned at a 30-degree lateral position for this method to be accurate. Hemodynamic measurements are not assessed in the prone position. Question 3 1 out of 1 points What is the best action by the nurse to accurately record a thermodilution cardiac output (CO)? Selected Answer: Position the patient supine, obtain three values within 10% of each other, and calculate the average cardiac output.
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