AMCA EKG EXAM WITH CORRECT
ANSWERS 2025
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 left atrium and left 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
Regulation of the heart rate, speed of electrical conduction, and strength of
contraction are influenced by the brain via the? ( correct answers )
Central nervous system
The cardiac accelerator center is? ( correct answers ) Part of the
sympathetic nervous system
The most muscular chamber of the heart that forces blood through the
aortic valve is the? ( correct answers ) left ventricle (power house)
, During depolarization, what happens? ( correct answers ) 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?
( 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 (contracting)
How much of the blood coming into the ventricles flows passively through
the atria?
( correct answers ) 70% or 80%
With the ECG paper ( correct answers ) Five small squares, which
make up a larger box, represent 0.20 seconds in duration.
On ECG paper, horizontal measurements are used to determine the?
( correct answers ) heart rate
What is placed on the patients skin to detect the hearts electrical
activity?
( correct answers ) Electrodes (censors)
Duration of each small square running horizontally? ( correct
answers ) .04 seconds
The initiation of the impulse in the SA node and its movement
through the atria produces a? ( correct answers ) P-wave
Describe the T-wave( correct answers ) has a peak which is closer to the
end then the beginning
What is used as a reference point to identify the changing electrical
amplitude?
( correct answers ) The isoelectric line (base line)
A calibration mark is? ( correct answers ) 10mm tall
An electrical current traveling toward a positive electrode produces a
waveform that? ( correct answers ) points upwards
ANSWERS 2025
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 left atrium and left 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
Regulation of the heart rate, speed of electrical conduction, and strength of
contraction are influenced by the brain via the? ( correct answers )
Central nervous system
The cardiac accelerator center is? ( correct answers ) Part of the
sympathetic nervous system
The most muscular chamber of the heart that forces blood through the
aortic valve is the? ( correct answers ) left ventricle (power house)
, During depolarization, what happens? ( correct answers ) 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?
( 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 (contracting)
How much of the blood coming into the ventricles flows passively through
the atria?
( correct answers ) 70% or 80%
With the ECG paper ( correct answers ) Five small squares, which
make up a larger box, represent 0.20 seconds in duration.
On ECG paper, horizontal measurements are used to determine the?
( correct answers ) heart rate
What is placed on the patients skin to detect the hearts electrical
activity?
( correct answers ) Electrodes (censors)
Duration of each small square running horizontally? ( correct
answers ) .04 seconds
The initiation of the impulse in the SA node and its movement
through the atria produces a? ( correct answers ) P-wave
Describe the T-wave( correct answers ) has a peak which is closer to the
end then the beginning
What is used as a reference point to identify the changing electrical
amplitude?
( correct answers ) The isoelectric line (base line)
A calibration mark is? ( correct answers ) 10mm tall
An electrical current traveling toward a positive electrode produces a
waveform that? ( correct answers ) points upwards
