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VERIFIED CORRECT
The use of a non-invasive and painless ultrasound to examine the heart, its chambers and valves
is known as? - CORRECT ANSWERS Echocardiography
Wave forms displayed on a screen is called? - CORRECT ANSWERS Electrocardiogram
The breast bone is referred to as? - CORRECT ANSWERS The sternum
The pericardio sac that surrounds the heart wall is? - CORRECT ANSWERS A tough fibrous
outer layer called the visceral pericardium and inner thin transparent lining called the fibrous
pericardium.
What are the three layers of the heart wall? - CORRECT ANSWERS Epicardium (outer),
Myocardium (middle), and Endocardium (inner).
The atrioventricular valve between the le* atrium and le* ventricle is? - CORRECT ANSWERS
The mitral valve
The wall that separates the two superior chambers of the heart is called? - CORRECT ANSWERS
Interatrial septum
The heart valves that separates the atria from the ventricles are called? - CORRECT ANSWERS
Atrioventricular valves
, The skeleton of the heart? - CORRECT ANSWERS separates the atria from the ventricles
The heart receives most of its own blood supply via the - CORRECT ANSWERS coronary
arteries
Regula,on of the heart rate, speed of electrical conduc,on, and strength of contrac,on are
influenced by the brain via the? - CORRECT ANSWERS Central nervous system
The cardiac accelerator center is? - CORRECT ANSWERS Part of the sympathe,c nervous
system
The most muscular chamber of the heart that forces blood through the aor,c valve is the? -
CORRECT ANSWERS le* ventricle (power house)
During depolariza,on, what happens? - CORRECT ANSWERS Impulses are generated and
transmi1ed when posi,vely charged ions move inside cells causing the interior to become
posi,vely charged.
Blood return to the heart from the lungs via 4 blood vessels are named? - CORRECT ANSWERS
Pulmonary veins
Blood travels to the lungs where carbon dioxide is unloaded and oxygen is loaded. The blood
vessels that carry the blood from the heart the lungs are? - CORRECT ANSWERS Pulmonary
arteries
During which phase of the cardiac cycle do the coronary arteries fill? - CORRECT ANSWERS
Early systole (contrac,ng)