Exam 21: Blood Vessels and Circulation

Arterioles feed blood into ________.

The large vessels that return blood to the heart are called

The resistance to blood flow of the entire cardiovascular system is known as ________.

The vascular pressure that declines from roughly 35 mm Hg to about 18 mm Hg is the

Blood flow to a tissue will increase if the

The ________ are small blood vessels that nourish tissue components in the wall of large arteries and veins.

Venous valves are responsible for

Which of the following affects blood flow through the body?

The ________ receives blood from the diaphragm.

In which of the following would the blood flow be highest?

List in correct order the sequence of blood vessels that blood would travel in the systemic circuit starting at the aorta. 1.venules 5. medium veins 2)arterioles 6. large veins 3)capillaries 7. muscular arteries 4)elastic arteries

The process of decrease in vessel diameter that occurs due to smooth muscle contraction is called ________.

The suprarenal glands receive a blood supply from the ________.

Each of the following arteries is a component of the cerebral arterial circle,except the

Figure 21-2 Veins Use Figure 21-2 to answer the following question: -Identify the vein labeled "10."

The vein in the arm commonly sampled for blood by venipuncture is the ________.

Compare the hearts of a trained athlete and a nonathlete.

The larger of the two branches of the common iliac artery is the ________.

The ________ vein is formed by the fusion of the greater saphenous vein,femoral vein,and deep femoral vein.

Clinically,the term blood pressure usually refers to