Lecture Exam 2: Chapter 15: Cardiovascular System

What are the three largest veins in the body?

What is anastomoses?

What is angiogenesis?

Which is thicker, arteries or veins, and why? Describe how their formation affects the blood vessels' function.

What are the three layers, or tunics, of arteries?

What is the purpose of coronary bypass surgery?

Why are veins typically larger than arteries, even though arteries are thicker?

Compare and contrast the general characteristics of arterioles and arteries.

What is vasomotion?

What is a metarteriole?

Describe general characteristics of capillaries.

What is a sphincter? How does this affect blood flow in the form of precapillary sphinters?

The blood flow in the capillaries/the amount of blood necessary for the tissue depends on what?

Explain why capillaries have openings, or pores, and why that is imperative to their function.

What increases the presence of capillary networks?

Briefly explain the three methods of capillary exchange.

What are venules?

What are the three layers of veins?

Veins are known as the "blood reservoir." How much blood do they actually store?

What occurs when veins "blow out?"

What causes increased pressure in veins?

What can be used to prevent varicosities, especially in the lower extremities?

What causes hemmorhoids?

What can cause varicosities in the esophagus?

What is atherosclerosis?

What is an aneurysm?

What is phlebitis?

What are varicose veins?

What does the term "blood pressure" refer to?

What is the function of our blood pressure?

How is blood pressure represented?

What is normal blood pressure?

What is systolic pressure?

What is diastolic pressure?

What is pulse pressure?

What is the mean arterial pressure?

High blood pressure is known as _______.

Arterial blood in the pulmonary circuit is _________ oxygenated than the venous blood in the pulmonary circuit.

Coronary artery disease is caused by what three primary risk factors?

What are three functions of the endothelium lining blood vessels?

Which changes would you expect to see as the cardiovascular system ages?