dots logo Chapter 8 - Cardiovascular System

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