dots logo Chapter 8 - Cardiovascular System

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