1. How many chambers are located in the heart? a. Five                   c. Four b. Three               d. Six 2. The right ventricle pumps oxygen-poor blood to the lungs through the: a. Pulmonary...

1. How many chambers are located in the heart?

a. Five                   c. Four

b. Three               d. Six

2. The right ventricle pumps oxygen-poor blood to the lungs through the:

a. Pulmonary veins          c. Vena cava

b. Aorta                                d. Pulmonary arteries

3. What is the normal order of the electrical conduction pattern of the heart?

a. AV node, SA node, ventricles

b. Ventricles, AV node, SA node

c. SA node, ventricles, AV node

d. SA node, AV node, ventricles