Exam 21: Blood Vessels and Circulation

The azygos vein is the major branch of the

In-Text Figure Based Questions -What hormones are released as a short-term response to a decrease in blood pressure and blood volume? (Figure 21-15)

At the level of the first rib, the axillary vein becomes the ________ vein.

Which of the following arteries is not a trunk?

Distension of the superficial veins caused by weakened valves is termed

Figure 21-2 Veins Use Figure 21-2 to answer the following questions: -Identify the vein labeled "8."

The regulation of blood flow by local mechanisms within a capillary bed is called

The blood vessel that supplies blood to the head and neck is the ________ artery.

The median cubital vein is located at the

When the popliteal vein reaches the femur, it becomes the ________ vein.

Blood flow through a capillary is controlled by the

In arteries, the thick layer of elastic fibers associated with the tunica intima is called the

The ________ artery supplies blood to the face.

Of the following, which is an elastic artery?

Capillaries with a perforated lining are called

Resistance is a force that

Which of the following changes does not occur during exercise compared to rest?

The main control of peripheral resistance occurs in the

The largest branches of the inferior vena cava are the

Near the level of vertebra L4, the aorta branches to form the ________ arteries.