Exam 12: The Heart

A sudden drop in blood pressure will stimulate the cardiac ____________________ center in the ____________________ of the brain.

Which statement is NOT true of the cardiac conduction pathway?

Which of these does NOT happen following a sudden decrease in blood pressure to the brain?

The sensory nerves for the carotid sinus and body are the ____________________ nerves.

The carotid sinus is strategically located to detect changes as the blood is on its way to the ____________________.

During the cardiac cycle, when the ventricles are in systole, the atria are in ____________________.

The pulmonary semilunar valve prevents backflow of blood from the ____ to the ____.

The pulmonary veins return blood from the ____ to the ____.

The aortic and pulmonary semilunar valves close when the ____________________ relax.

The coronary sinus is the union of the ____________________, and it returns blood to the ____________________.

The difference between the resting cardiac output and the maximum cardiac output is called the ____________________.

Which statement is true of the right side of the heart?

The vein that returns blood from the lower body to the right atrium is the:

During one cardiac cycle:

The atria of the heart are the ____ chambers, and when blood pressure rises, they produce the hormone ____.

The term diastole means ____________________ of the heart chambers.

Impulses carried by the vagus nerves to the heart will ____________________ the heart rate.

The part of the heart that initiates each beat is the:

The heart rate is increased by:

The function of ANP is to increase excretion of ____________________ and ____________________ by the ____________________.