Figure 20-2 Cardiac Cycle Use Figure 20-2 to answer the following questions: What occurs at the area labeled “D” on the graph?

If the force of ventricular contraction increases, what will happen to the end-systolic volume?

In comparison to a vessel with a large diameter, a vessel with a small diameter has

Which of the following conditions is least likely to lead to renin release?

Chest pain resulting from the loss of oxygen to heart cells is called:

The layer of the heart wall synonymous with the visceral layer of the serous pericardium is:

Identify the indicated structure (dark black circle)  

Which of the following layers of a vessel contains collagen fibers with scattered bands of elastic fibers?

Blood flow to a tissue will increase if the

Which one of the following is caused by a decrease in venous return to the heart: