Exam 15: The Circulation of the Blood

If the foramen ovale and the ductus arteriosus remain functioning after birth,the blood may bypass the lungs and the baby won't receive the proper amount of oxygen.

The first blood vessel of systemic circulation is the

Polycythemia has a direct effect on which of the following factors that influence blood pressure?

Arteriosclerosis can lead to ischemia.

Which structure in the fetus connects the aorta and the pulmonary artery?

In systemic circulation,arteries carry oxygen-rich blood.In pulmonary circulation,arteries carry oxygen-poor blood.

The two characteristics true of all veins are (1)they carry blood back to the heart and (2)they carry blood that is oxygen-poor.

A large area of necrosis that has progressed to decay is called

Which type of shock results from the effects of infectious agents,such as bacteria,releasing toxins in the blood?

Incompetent valves in veins can make it difficult for blood to return to the heart.

A strong heartbeat and normal arterial blood pressure assist in getting venous blood back to the heart.

Venules receive blood from capillaries.

Which of the following is not true of capillaries?

List and briefly explain the four factors that influence blood pressure and explain what would happen to blood pressure if each of them increased.

Match each disorder or condition with its corresponding description or definition. -type of shock that results from a loss of sympathetic tone to the muscles of the blood vessels

Which blood vessel carries blood away from the capillaries?

The two umbilical arteries carry nutrients and oxygen from the mother to the fetus.

Another term for a cerebrovascular accident is

Necrosis that has progressed to tissue decay is called gangrene.

An increase in heart rate increases blood pressure only if there is no change in stroke volume.