last cards

Question 1

The tricuspid valve is closed when ______

Answer 1

when the ventricle is in systole

Question 2

When viewing a dissected heart it is easy to distinguish between the right and left ventricles by __________.

Answer 2

noticing the thickness of the ventricle walls.

Question 3

Select the correct statement about the heart valves.

Answer 3

The AV valves are supported by chordae tendineae so that they do not prolapse into the atria during ventricular contraction.

Question 4

Which of the following is produced by sympathetic cardiac accelerator nerves to increase heart rate?

Answer 4

norepinepherine

Question 5

What is the result if the left ventricular output is greater than the right ventricular output?

Answer 5

Peripheral congestion

Question 6

What is the result if the right ventricular output is greater than the left ventricular output?

Answer 6

pulmonary congestion

Question 7

Artificial pacemakers replace a function normally served by ______

Answer 7

The SA Node

Question 8

In the fetus, the blood is shunted throught the foramen ovale in order to

Answer 8

allow for better oxygenation.

Question 9

The electrocardiogram is a tracing of the electrical changes occurring which may indicate the degree of normal ______.

Answer 9

cardiac output?

Question 10

Cardiac output is defined as

Answer 10

the volume of blood ejected from left ventricle per minute.

Question 11

When the semilunar valves are open, which of the following are occurring?

Answer 11

AV valves are closed, ventricles are in systole blood enters aorta and pulmonary trunk.

Question 12

When the semilunar valves are open, what is occurring?

Answer 12

(2) AV valves are closed
(3) ventricles are in systole
(5) blood enters aorta
(6) blood enters pulmonary arteries