Case Studies Exam #6 – Myocardial Infarction 1. The right atrium received blood from the: a. Aorta b. Pulmonary artery c. Pulmonary trunk d. Pulmonary vein e. Superior and inferior vena cava 2. What is the name of the main artery carrying blood away from the heart? a. Aorta b. Atrium c. Pulmonary artery d. Superior vena cava e. Ventricle 3. When blood leaves the right ventricle, it enters the: a. Aorta b. Bicuspid valve c. Coronary circulation d. Pulmonary trunk e. Superior and inferior vena cava 4. Blood enters the left atrium from the : a. Aorta b. Pulmonary trunk c. Pulmonary veins d. Superior and inferior vena cava e. Tricuspid valve 5. Oxygenated blood enters the coronary blood supply after branching off from the: a. Aorta b. Coronary sinus c. Inferior vena cava d. Pulmonary veins e. Superior vena cava 6. What is the coronary blood supply? a. Blood leaving the heart through the aorta b. Blood returning to the heart from the vena cava c. Blood that is flowing through the four chambers of the heart d. Unoxygenated blood leaving the heart to enter the pulmonary circuit e. Vessels that supply the heart with oxygen and remove waste 7. Where is the pacemaker of the heart located? a. Aorta b. AV node c. Bundle branches d. Purkinje fibers e. SA (sinoatrial node) 8. Where is the final stop of an electrical conduction through the heart? a. AV node b. Bundle branches c. Purkinje fibers d. Right and left bundle branches e. SA node 9. Partial obstruction of blood flow in the coronary arteries may result in a condition called: a. Angina b. Bundle branch block c. Congestive heart failure d. Cor Pulmonale e. Myocardial infarction 10. Complete obstruction of blood flow in a coronary artery may result in a condition called: a. Angina b. Cardiomyoplasty c. Congestive heart failure d. Cor Pumonale e. Myocardial infarction 11. What procedure involves a mechanical pump that helps a weakened ventricle pump blood throughout the body? a. Cardiomyoplasty b. Heart transplant c. Intra-aortic balloon pump d. Skeletal muscle assist device e. Ventricular assist device 16. Which one of these events or conditions actually cause the symptoms associated with an acute heart attack? a. High blood cholesterol b. Hypertension c. An occluded coronary artery d. A patient under stress e. A reduced heart rate 12. What procedure involves replacing a severely damaged heart with a donor heart? a. Cardiomyoplasty b. Heart transplant c. Intra-aortic balloon pump d. Skeletal muscle assist device e. Ventricular assist device 17. In an emergency response to a heart attack victim, which of the following are critical, lifesaving parameters prior to transport to a hospital emergency room? a. Administer medications for pain (nitroglycerin or codeine) b. Prepare an intravenous line for administration of medications c. Prepare electrocardiogram leads for monitoring heart activity d. Stabilize vital signs e. All of these are critical, on the scene actions 13. Which definition best describes atherosclerosis? a. High blood levels of phospholipids and cholesterol b. Scarring of the chambers of the heart c. Persistent high arterial blood pressure d. Plaque deposition on the arterial walls resulting in blood flow restriction e. Persistent pain when one exerts themselves through exercise 14. Which term indicates a condition of reduced blood flow to the myocardium? a. Atherosclerosis b. Cardiomyopathy c. Hypertension d. Infarction e. Ischemia 15. Hypertension is best defined as: a. Atherosclerosis b. High blood pressure c. Ischemia d. Infarction e. Plaque formation 18. Choose which of the following are not consistent with a symptom of a heart attack: a. Arm pain b. Chest pain c. Indigestion d. Ketoacidosis e. Shortness of breath 19. Which of the following is a critical laboratory value for determining heart muscle damage? a. Blood glucose b. Blood urea nitrogen (BUN) c. Platelet count d. Sodium (Na) levels e. Troponin 20. Which statement best defines an echocardiogram? a. Electrical impulses of the heart b. Method used to visualize the interior of an artery c. Serum enzyme cardiac markers d. Sound wave picture of the heart e. X-ray picture of the heart 21. An electrocardiogram cannot detect: a. Abnormal heart rhythms b. Damaged areas of the heart c. Fibrillation d. Recent myocardial infarction e. Size and shape of the heart 22. Of the following, which substance has been found to reduce the formation of blood clots that are a dangerous complication to coronary heart disease? a. Aspirin b. Caffeine c. Codeine d. Nitroglycerine e. Vitamin E 23. Define the benefits of beta blockers in a patient with heart disease. a. Dilate arteries and veins increasing blood flow b. Dissolve clots c. Increase heart rate d. Reduce risk for blood clot formation e. Slow heart rate and decrease rate of contractions 24. Which statement best defines treatment of an occluded artery using angioplasty? a. Balloon is used to open the lumen of an artery b. Bypass of coronary artery c. Dissolves blood clots d. Increases heart rate e. Slows heart rate and decrease rate of contractions 25. Which lifestyle factors may lead to heart disease? a. Lack of exercise b. Being overweight c. Stress d. Family history e. All of the above