Figure 20-2 Cardiac Cycle Use Figure 20-2 to answer the following questions: What occurs at the circled label “4” on the graph?

An obstruction in the blood flow to the kidneys would result in

Each of the following will cause an increase in blood pressure except

Homeostatic mechanisms in response to blood loss include all of the following except

Elevated levels of the natriuretic peptide hormones ANP and BNP will produce increased

The ________ lines the chambers of the heart, covers the heart valves, and is continuous with the endothelium.

Figure 20-1 The Heart Use Figure 20-1 to answer the following questions: Which chamber receives oxygenated blood from the pulmonary circuit?

During exercise,

Paul falls on an axe and cuts several major blood vessels in his leg. As a result of this injury you would expect to observe all of the following except a(an)

The backward flow of blood from a ventricle to its atrium or from a outflow vessel to its ventricle is called