Ch. 16 Anatomy of the Heart

5 Written Questions

1. left ventricle ejects blood into this blood vessel
2. Are semilunar valves.
3. Prevent the backflow of blood from the ventricles to the atria.
4. caused by the firing of the SA node.
5. K+

4 Matching Questions

1. Pericardial Space
2. Coronary Arteries
3. Chordae Tendineae
4. Pulmonic Valve

1. a blood vessels that carry oxygen-rich blood to the myocardium
2. b attach the cusps of the AV valve to the ventricular walls
3. c Semilunar valve "sees" unoxygenated blood
4. d cavity located between the epicardium and the parietal pericardium

5 Multiple Choice Questions

1. All are called great vessels.
   1. Which of the following is not true about the left ventricle?
   2. What do the venae cavae, pulmonary artery, and the aorta have in common?
   3. Which of the following is least true of the myocardium?
   4. Both the pulmonic and aortic valves?
2. Called a pacemaker cell.
   1. In which structure does blood change from blue to red?
   2. A cell that spontaneously depolarizes from resting membrane potential to threshold potential is?
   3. Which of the following spaces does not contain the heart?
   4. The semilunar valves open in response to?
3. That the heart must work harder than normal.
   1. An enlarged myocardium (ventricular hypertrophy) indicates?
   2. A prolonged P-R interval means that?
   3. Stenosis of this valve causes left ventricular hypertrophy?
   4. the action potential 9cardiac impulse) has two phases?
4. Rising ventricular pressure during ventricular contraction.
   1. The AV valves close in response to?
   2. Pericardial Space
   3. Chordae Tendineae
   4. the semilunar valves?
5. ECG that represents ventricular repolarization
   1. SA Node
   2. P Wave
   3. AV Node
   4. T Wave

5 True/False Questions

1. What is happening when the ventricles are filling? → pulmonic and tricuspid valve are associated with this structure

   True        False

2. What is the cause of the sounds "lubb dupp"? → to the lungs of oxygenation.

   True        False

3. Right Ventricle → pulmonic and tricuspid valve are associated with this structure

   True        False

4. AV Node → in nodal rhytm, the cardia impulse originates within this structure

   True        False

5. The purpose of the right heart is to pump blood? → to the lungs of oxygenation.

   True        False