Practical Nurse RefresherANPH 1002 Challenge: Assignment 1ANPH 1002 Challenge Assignment 1(Total Marks 46)Part I: Cardiac InvolvementMr. Smith, a 72 year-old male with a history of heart disease, was admitted to the hospital with chest painsand shortness of breath. After examination and an echocardiogram, Dr. Ali spoke with Mrs. Smith. “I’mvery sorry, but your husband has had another heart attack resulting in valve failure. A papillary muscle thatcontrols a valve in his heart has been severely damaged and is no longer working.”Questions1.What is the main purpose of the circulatory system?(1 mark)
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2. Describe blood flow through the heart starting with blood entering the right side of the heart andincluding all chambers and valves. Indicate if the blood is oxygenated or de-oxygenated at each step.(14marks)
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3. What is the function of heart valves?(1 mark)
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4. What is the function of papillary muscles and the chordae tendineae?(2 marks)
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