The use of a non-invasive and painless ultrasound to examine the heart, its chambers and
valves is known as?
-:- Echocardiography
Wave forms displayed on a screen is called?
-:- Electrocardiogram
The breast bone is referred to as?
-:- The sternum
The pericardio sac that surrounds the hea...
The most muscular chamber of the heart that forces blood through the aortic valve is the?
✓ -:- left ventricle (power house)
During depolarization, what happens?
✓ -:- Impulses are generated and transmitted when positively charged ions move
inside cells causing the interior to become positively charged.
Blood return to the heart from the lungs via 4 blood vessels are named?
✓ -:- 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?
✓ -:- Pulmonary arteries
During which phase of the cardiac cycle do the coronary arteries fill?
✓ -:- Early systole (contracting)
How much of the blood coming into the ventricles flows passively through the atria?
✓ -:- 70% or 80%
With the ECG paper
3|P a g e | G r a d e A + | 2 0 2 0 2 5
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