AMCA EKG QUESTIONS WITH
ACCURATE ANSWERS
The use of a non-invasive and painless ultrasound to examine the heart, its chambers
and valves is known as? - ANSWERSEchocardiography
Wave forms displayed on a screen is called? - ANSWERSElectrocardiogram
The breast bone is referred to as? - ANSWERSThe sternum
The pericardio sac that surrounds the heart wall is? - ANSWERSA 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? - ANSWERSEpicardium (outer),
Myocardium (middle), and Endocardium (inner).
The atrioventricular valve between the left atrium and left ventricle is? - ANSWERSThe
mitral valve
The wall that separates the two superior chambers of the heart is called? -
ANSWERSInteratrial septum
The heart valves that separates the atria from the ventricles are called? -
ANSWERSAtrioventricular valves
The skeleton of the heart? - ANSWERSseparates the atria from the ventricles
The heart receives most of its own blood supply via the - ANSWERScoronary arteries
Regulation of the heart rate, speed of electrical conduction, and strength of contraction
are influenced by the brain via the? - ANSWERSCentral nervous system
The cardiac accelerator center is? - ANSWERSPart of the sympathetic nervous system
The most muscular chamber of the heart that forces blood through the aortic valve is
the? - ANSWERSleft ventricle (power house)
During depolarization, what happens? - ANSWERSImpulses 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? -
ANSWERSPulmonary 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? - ANSWERSPulmonary
arteries
During which phase of the cardiac cycle do the coronary arteries fill? - ANSWERSEarly
systole (contracting)
How much of the blood coming into the ventricles flows passively through the atria? -
ANSWERS70% or 80%
With the ECG paper - ANSWERSFive small squares, which make up a larger box,
represent 0.20 seconds in duration.
On ECG paper, horizontal measurements are used to determine the? - ANSWERSheart
rate
What is placed on the patients skin to detect the hearts electrical activity? -
ANSWERSElectrodes (censors)
Duration of each small square running horizontally? - ANSWERS.04 seconds
The initiation of the impulse in the SA node and its movement through the atria
produces a? - ANSWERSP-wave
Describe the T-wave - ANSWERShas a peak which is closer to the end then the
beginning
What is used as a reference point to identify the changing electrical amplitude? -
ANSWERSThe isoelectric line (base line)
A calibration mark is? - ANSWERS10mm tall
An electrical current traveling toward a positive electrode produces a waveform that? -
ANSWERSpoints upwards
To view the limb leads, we place electrodes on the - ANSWERSRight arm (RA), left arm
(LA), and left leg (LL)
With lead 2, the positive electrode is positioned on the? - ANSWERSleft leg
How many electrodes are used as part of a 12 lead ECG? - ANSWERS10 electrodes
ACCURATE ANSWERS
The use of a non-invasive and painless ultrasound to examine the heart, its chambers
and valves is known as? - ANSWERSEchocardiography
Wave forms displayed on a screen is called? - ANSWERSElectrocardiogram
The breast bone is referred to as? - ANSWERSThe sternum
The pericardio sac that surrounds the heart wall is? - ANSWERSA 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? - ANSWERSEpicardium (outer),
Myocardium (middle), and Endocardium (inner).
The atrioventricular valve between the left atrium and left ventricle is? - ANSWERSThe
mitral valve
The wall that separates the two superior chambers of the heart is called? -
ANSWERSInteratrial septum
The heart valves that separates the atria from the ventricles are called? -
ANSWERSAtrioventricular valves
The skeleton of the heart? - ANSWERSseparates the atria from the ventricles
The heart receives most of its own blood supply via the - ANSWERScoronary arteries
Regulation of the heart rate, speed of electrical conduction, and strength of contraction
are influenced by the brain via the? - ANSWERSCentral nervous system
The cardiac accelerator center is? - ANSWERSPart of the sympathetic nervous system
The most muscular chamber of the heart that forces blood through the aortic valve is
the? - ANSWERSleft ventricle (power house)
During depolarization, what happens? - ANSWERSImpulses 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? -
ANSWERSPulmonary 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? - ANSWERSPulmonary
arteries
During which phase of the cardiac cycle do the coronary arteries fill? - ANSWERSEarly
systole (contracting)
How much of the blood coming into the ventricles flows passively through the atria? -
ANSWERS70% or 80%
With the ECG paper - ANSWERSFive small squares, which make up a larger box,
represent 0.20 seconds in duration.
On ECG paper, horizontal measurements are used to determine the? - ANSWERSheart
rate
What is placed on the patients skin to detect the hearts electrical activity? -
ANSWERSElectrodes (censors)
Duration of each small square running horizontally? - ANSWERS.04 seconds
The initiation of the impulse in the SA node and its movement through the atria
produces a? - ANSWERSP-wave
Describe the T-wave - ANSWERShas a peak which is closer to the end then the
beginning
What is used as a reference point to identify the changing electrical amplitude? -
ANSWERSThe isoelectric line (base line)
A calibration mark is? - ANSWERS10mm tall
An electrical current traveling toward a positive electrode produces a waveform that? -
ANSWERSpoints upwards
To view the limb leads, we place electrodes on the - ANSWERSRight arm (RA), left arm
(LA), and left leg (LL)
With lead 2, the positive electrode is positioned on the? - ANSWERSleft leg
How many electrodes are used as part of a 12 lead ECG? - ANSWERS10 electrodes
