______ is to slow heart rate as _____ is to fast heart rate.
a. Tachycardia; bradycardia
b. Bradycardia; tachycardia
Answer: B
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Heart
- During the T wave of the electrocardiogram, the ventricles are
- Intercalated discs serve to transfer _____ from cell to cell.
- The wall of the left ventricle is thicker than the right because
- The first heart sound is heard when the
- The normal pacemaker of the heart is located in the
- In cardiac muscle, the fast depolarization phase of the action potential is the result of
- The heart is innervated by ____ nerves.
- Blood is supplied by to the myocardium by
- The pulmonary semilunar valve prevents backward flow into the
- As blood leaves the right ventricle it passes through the _____ and then into the pulmonary trunk.