dots logo Chapter 8 - Cardiovascular System

  1. In a myocardial infarction, circulation becomes blocked in which of the following?
    1. pulmonary circuit
    2. systemic circuit
    3. coronary circulation
  2. These terms all refer to the same value that permits blood flow from the left atrium to the left ventrical, except?
    1. left atrioventricular valve (AV)
    2. mitral valve
    3. bicuspid valve
    4. tricuspid valve
  3. There is one pulmonary vein and one pulmonary artery?
    1. true
    2. false
  4. Which statement about an ECG is incorrect?
    1. QRS complex: atria depolarize
    2. T wave: ventricles repolarize
    3. P wave: atria depolarize
    4. QRS complex: ventricles depolarize
  5. Which pathway represents the systemic circuit?
    1. right ventricle → systemic arteries → body → systemic veins → left atrium
    2. right ventricle → systemic veins → body → systemic arteries → left atrium
    3. left ventricle → systemic veins → body → systemic arteries → right atrium
    4. left ventricle → systemic arteries → body → systemic veins → right atrium
  6. Semilunar valves include the following which prevent backflow into the ventricles.
    1. pulmonary and aortic valves
    2. tricuspid and mitral valves
  7. Atrioventricular (AV) valves prevent backflow into the atria, and semilunar valves prevent backflow into the ventricles?
    1. true
    2. false
  8. The base of the heart is inferior and the apex of the heart is superior?
    1. true
    2. false
  9. During one heartbeat, the contraction phase is __________, and the relaxation phase is __________ ?
    1. systole, diastole
    2. diastole, systole
  10. Excess fluid in pericardial cavity is called __________ and can lead to cardiac tamponade (restricted movement of the heart).
    1. coronary artery disease
    2. pericarditis
    3. angina pectoris
    4. myocardial infarction
  11. Which pathway represents the pulmonary circuit?
    1. right ventricle → pulmonary arteries → lungs → pulmonary veins → left atrium
    2. right ventricle → pulmonary veins → lungs → pulmonary arteries → left atrium
    3. left ventricle → pulmonary veins → lungs → pulmonary arteries → right atrium
    4. left ventricle → pulmonary arteries → lungs → pulmonary veins → right atrium
  12. The right coronary artery supplies blood to all but?
    1. left ventricle
    2. conducting system
    3. right ventricle
    4. left atrium
    5. right atrium
  13. Blood enters the right atrium though the __________, and blood enters the left atrium though the __________?
    1. pulmonary veins, vena cava
    2. mitral value, tricuspid value
    3. tricuspid value, mitral value
    4. vena cava, pulmonary veins
  14. Order the layers of the heart from deep to superficial.
    1. myocardium → endocardium → pericardium (epicardium)
    2. pericardium (epicardium) → endocardium → myocardium
    3. pericardium (epicardium) → myocardium → endocardium
    4. endocardium → myocardium → pericardium (epicardium)
  15. Which statement is incorrect?
    1. blood flows from right atrium to right ventricle via the tricuspid valve
    2. right atrium receives blood from the inferior and superior vena cava
    3. blood flows from left atrium to left ventricle via the bicuspid valve
    4. right atrium receives blood from left and right pulmonary veins
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