dots logo Chapter 8 - Cardiovascular System

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