Exam 13: The Vascular System

The skeletal muscle pump is especially important for venous return by the veins in the ____________________.

In veins, the outer layer is thinner than in arteries because:

One purpose of hepatic portal circulation is to enable the liver to receive alcohol absorbed by the stomach and ____________________ it before blood reaches the ____________________.

A diastolic BP value is the pressure when:

The hormone that raises blood pressure by increasing sodium and water reabsorption by the kidneys is ____________________.

The intercostal arteries are branches of the:

Which of these is NOT a compensating mechanism following a small loss of blood?

The outer layer of the wall of a vein is thin because ____________________ in veins is low.

The purpose of pulmonary circulation is to:

The hormone that lowers blood pressure by increasing the excretion of sodium and water by the kidneys is:

In fetal circulation, the ductus arteriosus permits blood to flow from the ____________________ to the ____________________.

Which statement is NOT true of fetal circulation?

An arterial anastomosis provides an alternate pathway for blood to flow to a(n) ____________________.

The tissue of which capillaries are made is:

Which of the following does NOT have capillary networks?

The respiratory pump is an important mechanism for venous return for the:

The fetal structure that permits blood to flow from the right atrium to the left atrium is the:

The elasticity of the large arteries permits them to ____________________ during left ventricular systole and thereby to ____________________ systolic BP.

In the vascular system, an alternate pathway for blood flow is provided by vessels called a(n) ____________________.

During exercise, blood flow to the skeletal muscles will: