Exam 8: Heart and Blood Vessels

The smallest arteries are called ________; the smallest veins are called ________.

An electrocardiogram is used to

Cardiac output can be calculated by

The force exerted by blood on the wall of a blood vessel is known as ________.

Which one of the following symptoms is most typical of hypertension?

The amount of blood the heart pumps into the aorta each minute is known as ________ output.

Blood pressure is typically recorded as two numbers; the higher number corresponds to the ________ pressure.

Match each type of blood vessel to its description. Answers may be used more than once. -This blood vessel transports blood from the capillaries to the heart.

When baroreceptors are stretched, nerve impulses from these receptors ultimately cause a(n) ________ in cardiac output.

The two upper chambers of the heart are called ________; the two lower chambers of the heart are called ________.

Blood pumped from the right ventricle is ________ and enters the ________.

Match each type of blood vessel to its description. Answers may be used more than once. -Skeletal muscle pumps aid blood flow.

The atrioventricular valves are supported by connective tissue strands called ________, which prevent the valves from everting.

Heart murmurs result from the incomplete closure of heart ________.

Baroreceptors are located in the aorta and ________ arteries.

Which one of the following is a CORRECT statement?

The figure above shows a normal ECG recording. Match each part, A, B, or C, of the recording to its description. -Represents the movement of the stimulus for heart contraction down the septum and through the Purkinje fibers of the ventricles

Which one of the following parts of the brain regulates heart activity?

Artificial hearts are used routinely today to replace damaged hearts when a donor heart is not available for transplant.

Blood pressure in veins is lower than that in arteries, and a series of ________ are necessary to prevent backflow of blood.