EKG Certification Test with Correct
Solutions 2026
The use of non-invasive and painless ultrasound to examine the heart, its chambers and valves
is known as: - <CORRECT ANSWER >>Echocardiology
Waveforms may be displayed on a screen called an: - <CORRECT ANSWER >>Electrocardiogram
The breastbone is referred to as: - <CORRECT ANSWER >>sternum
The pericardial sac that surrounds the heart: - <CORRECT ANSWER >>Has a tough fibrous outer
layer called the visceral pericardium and an inner, thin transparent lining called the fibrous
pericardium
What are the 3 layers of the heart wall? - <CORRECT ANSWER >>Epicardium, myocardium,
endocardium
The atrioventricular valve between the left atrium and the left ventricle is the: - <CORRECT
ANSWER >>Mitral valve
The wall that separates the two superior chambers of the heart is called: - <CORRECT ANSWER
>>Interatrial septum
The heart valves that separates the atria from the ventricles are called that: - <CORRECT
ANSWER >>Atrioventricular valves
The skeleton of the heart: - <CORRECT ANSWER >>Separates the atria from the ventricles
, The heart receives most of its own blood supply via the: - <CORRECT ANSWER >>Coronary
arteries
Regulation of the heart rate, speed of electrical conduction and strength of contraction are
influenced by the brain via the ___ nervous system. - <CORRECT ANSWER >>Central
The cardioaccelerator center: - <CORRECT ANSWER >>Is part of the sympathetic nervous
system
The most muscular chamber of the heart that forces blood through the aortic valve into the
aorta would be the: - <CORRECT ANSWER >>Left ventricle
During depolarization: - <CORRECT ANSWER >>Impulses are generated and transmitted when
positively charged ions move inside the cell causing the interior to become positively charged
Blood returns to the heart from the lungs via four blood vessels called: - <CORRECT ANSWER
>>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 to the lungs are: - <CORRECT ANSWER >>Pulmonary
arteries
During which phase of the cardiac cycle do the coronary arteries fill? - <CORRECT ANSWER
>>Early systole
How much of the blood coming into the ventricles flows passively through the atria? -
<CORRECT ANSWER >>80%
With EKG paper: - <CORRECT ANSWER >>Five small squares, which make up a larger box,
represent 0.20 seconds in duration
Solutions 2026
The use of non-invasive and painless ultrasound to examine the heart, its chambers and valves
is known as: - <CORRECT ANSWER >>Echocardiology
Waveforms may be displayed on a screen called an: - <CORRECT ANSWER >>Electrocardiogram
The breastbone is referred to as: - <CORRECT ANSWER >>sternum
The pericardial sac that surrounds the heart: - <CORRECT ANSWER >>Has a tough fibrous outer
layer called the visceral pericardium and an inner, thin transparent lining called the fibrous
pericardium
What are the 3 layers of the heart wall? - <CORRECT ANSWER >>Epicardium, myocardium,
endocardium
The atrioventricular valve between the left atrium and the left ventricle is the: - <CORRECT
ANSWER >>Mitral valve
The wall that separates the two superior chambers of the heart is called: - <CORRECT ANSWER
>>Interatrial septum
The heart valves that separates the atria from the ventricles are called that: - <CORRECT
ANSWER >>Atrioventricular valves
The skeleton of the heart: - <CORRECT ANSWER >>Separates the atria from the ventricles
, The heart receives most of its own blood supply via the: - <CORRECT ANSWER >>Coronary
arteries
Regulation of the heart rate, speed of electrical conduction and strength of contraction are
influenced by the brain via the ___ nervous system. - <CORRECT ANSWER >>Central
The cardioaccelerator center: - <CORRECT ANSWER >>Is part of the sympathetic nervous
system
The most muscular chamber of the heart that forces blood through the aortic valve into the
aorta would be the: - <CORRECT ANSWER >>Left ventricle
During depolarization: - <CORRECT ANSWER >>Impulses are generated and transmitted when
positively charged ions move inside the cell causing the interior to become positively charged
Blood returns to the heart from the lungs via four blood vessels called: - <CORRECT ANSWER
>>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 to the lungs are: - <CORRECT ANSWER >>Pulmonary
arteries
During which phase of the cardiac cycle do the coronary arteries fill? - <CORRECT ANSWER
>>Early systole
How much of the blood coming into the ventricles flows passively through the atria? -
<CORRECT ANSWER >>80%
With EKG paper: - <CORRECT ANSWER >>Five small squares, which make up a larger box,
represent 0.20 seconds in duration
