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Transcript
Name_________________________________________ Per_____ Date______________ CARDIOVASCULAR SYSTEM: Chapters 17 - 19 READING NOTES Points Chapter 18: The Heart Page 679: External Anatomy of the HEART Page 681: Internal Anatomy of the HEART 1. Page 682 – 684 / Pathway of BLOOD Trace a drop of blood from inferior vena cava, through heart, and to aorta. 2. Page 684-686 / Heart valves What is the main function of HEART VALVES? How many valves are there in the human heart? Name them. 3. Anatomy & Physiology Pages 691 – 692 / Sequence of Excitation Explain how impulses travel through each of the following areas of the heart. 1) Sinoatrial node 2) Atrioventricular node 3) Atrioventricular bundle 4) Right and left bundle branches SCORE = ______/ 15 5) Purkinje fibers 4. Pages 692 – 698 Define the following: Arrhythmias Fibrillation Electrocardiogram Heart murmur Cardiac output Stroke volume What is the normal resting volume for heart rate? _____ beats per minute Critical Thinking and Application 5. A gang member was stabbed in the chest during a street fight. He was cyanotic (skin turning blue) and unconscious from lack of blood delivery to the brain. The diagnosis was cardiac tamponade. What is cardiac tamponade and how does it cause the observed symptoms? HINT: See HOMEOSTATIC IMBALANCE on page 676.