Other questions in this quiz

2. which cavity first receives unoxygenated blood from the vena cava?

  • right atrium
  • left ventricle
  • right ventricle
  • left atrium

3. where does the cardiac action potential (cardiac impulse) normally originate?

  • SA node
  • etopic focus
  • AV node
  • purkinje fibres

4. with which of the following is "lubb-dupp" associated?

  • diffusion of O2 from the lungs to the blood in the pulmonary capillaries
  • closing of the heart valves
  • myocardial contraction
  • ventricular depolarisation

5. most of the symptoms of acute left-sided heart failure are:

  • respiratory in nature (e.g., dyspnea, orthopnea)
  • cured by an antibiotic
  • relieved by morphine
  • confined to the lower extremities, as in pedal edema


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