If the Venous Return to the Right Atrium Should Increase

question 8

Multiple Choice

If the venous return to the right atrium should increase from a normal value of about 5 L/min (in the adult) to about 10 L/min, what would a normal heart most likely develop?

• A) An increase in atrial and end-diastolic ventricular pressure with decreased stroke volume
• B) A decrease in atrial and end-diastolic ventricular pressure with decreased contractility
• C) An increase in atrial and end-diastolic ventricular pressure with increased stroke volume
• D) Bradycardia and cardiac shock
• E) Bradycardia and very low end-diastolic pressure of the right ventricle

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