Exam 29: Blood Vessels

Match each artery to its correct anatomical location. -Brain

Match each artery to its correct anatomical location. -Upper leg

Very large arteries are called sinuses.

Arteries always carry blood away from the heart.

Which of the following is a stretching of the artery walls?

The blood vessel connecting the two capillary beds in the hepatic portal system is called a(n):

Umbilical arteries carry blood from the placenta to the fetus.

Christopher, a 2-month-old infant, has a bluish tinge to his skin. After listening to the infant's chest, the physician becomes concerned about a leakage of blood between the right and left atria. What might have caused this problem, and what is the treatment?

Systemic circulation includes blood flow to all parts of the body except the lungs.

All veins carry blood back to the heart.

The circle of Willis is an example of an anastomosis.

Which of the following vessels do not have the ability to constrict and dilate?

Match each term with its corresponding description. -Blood flow from the heart to the body (not the lungs) and back to the heart

The tunica media in veins is thinner than the tunica media in arteries.

Precapillary sphincters increase the flow of blood through a tissue when they relax.

Both the tunica media and the tunica adventitia are absent in:

Which of the following vessels carries blood from the lungs to the heart?

The tunica media is also called the tunica adventitia.

Match each artery to its correct anatomical location. -Forearm

Explain the differences between fetal and postnatal circulation. How do these differences make the circulation of the fetus more efficient?