CODING CPC AAPC CPC Chapter 10 Review Exam QUESTION & VERIFIED ANSWER , Exams of Nursing

1. How many layers of tissue does an artery have? • One • Two • Three (correct answer, your response) • Four Rationale: An artery has three layers: an outer layer of tissue, a muscular middle and an inner layer of epithelial cells. 2. The conduction system contains pacemaker cells, nodes, the ____, and the ____. • Bundle of His and Electrical system • Purkinje fibers and Bundle of His (correct answer, your response) • Heart valves and Purkinje Fibers • Electrical system and Bundle of His Rationale: The conduction system contains pacemaker cells, nodes, the bundle of His and the Purkinje fibers. 3. What part of the cardiovascular system is responsible for the one-way flow of blood through the chambers of the heart? • Septum • Heart valves (correct answer, your response) • Bundle of His • Atria Rationale: Heart valves are made of flaps (cusps/leaflets) opening and closing like one way swinging doors, preventing blood from flowing back. 4. Which main coronary artery bifurcates into two smaller ones? • Right • Left (correct answer, your response) • Inverted • Superficial Rationale: The left main coronary artery branches into two slightly smaller arteries: the left anterior descending coronary artery and the left circumflex coronary artery. 5. What is the term