Echocardiogram Echocardiograms Anatomy and Physiology 2

Question 1

Which valve separates the left atrium from the left ventricle?

Accepted Answer

Mitral valve

Answer

Tricuspid valve

Answer

Pulmonic valve

Answer

Aortic valve

Question 2

The moderator band is a muscular structure found in which cardiac chamber?

Accepted Answer

Right ventricle

Answer

Left ventricle

Answer

Left atrium

Answer

Right atrium

Question 3

What is the normal range for left ventricular ejection fraction (LVEF) in adults?

Accepted Answer

55–70%

Answer

30–45%

Answer

45–55%

Answer

70–85%

Question 4

The chordae tendineae connect the atrioventricular valve leaflets to which structure?

Accepted Answer

Papillary muscles

Answer

Annulus fibrosus

Answer

Interventricular septum

Answer

Trabeculae carneae

Question 5

During isovolumetric relaxation, which valves are closed?

Accepted Answer

All four cardiac valves

Answer

Aortic and pulmonic valves only

Answer

Mitral and tricuspid valves only

Answer

Aortic, pulmonic, and mitral valves

Question 6

Which coronary artery most commonly supplies the sinoatrial (SA) node?

Accepted Answer

Right coronary artery

Answer

Left anterior descending artery

Answer

Left circumflex artery

Answer

Diagonal branch

Question 7

The Eustachian valve (valve of the inferior vena cava) is located in which cardiac structure?

Accepted Answer

Right atrium

Answer

Right ventricle

Answer

Left atrium

Answer

Coronary sinus