Other questions in this quiz

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

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

3. sympathetic stimulation to the heart:

  • decreases stroke volume
  • increases heart rate
  • decreases cardiac output
  • causes bradycardia

4. the atrioventricular node (AV node):

  • delays the electrical signal coming from the atria into the ventricles
  • is the pacemaker of the heart
  • has a rate that is normally faster than the SA node
  • is located in the upper part of the right atrium

5. which of the following best indicates why the left ventricular myocardium is thicker than the right ventricular myocardium?

  • the left ventricular works harder than the right
  • the aortic valve is narrower than the pulmonic valve
  • left ventricular oxygen saturation is greater in the left ventricular
  • left ventricular volume is less that the right ventricular volume


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