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Assume that one ventricle of a child’s heart has an EDV of 90ml, an ESV of 60 ml, and a cardiac output of 2.55 L/min.  What are the child’s stroke volume (SV), ejection fraction, and heart rate (HR)? SV = EDV – ESV CO = bpm x SV Ejection Fraction = SV / EDV

Which of the blood vessels receives blood directly from the right ventricle?

Electrical signals pass quickly from one cardiomyocyte to another through the _________________ of the intercalated discs.

The shallow depression seen on the external surface of the heart between the left and right ventricles is called the _____________________________.

In a normal ECG, the deflection that is generated by ventricular repolarization is called the ________________.

What is taken up by the capillaries at their venous end?

When the left ventricle contracts, the ________________ valve closes and the _______________ valve is pushed open.

When sodium channels are fully open, the membrane of the ventricular cardiomyocyte ________________________.

The tricuspid valve regulates the opening between the _____________________ and the _________________________.

Atrial depolarization causes the _____________________.